diff --git a/410977019_0530_HW/.gitignore b/410977019_0530_HW/.gitignore
new file mode 100644
index 0000000..11abea6
--- /dev/null
+++ b/410977019_0530_HW/.gitignore
@@ -0,0 +1,127 @@
+#-------------------------
+# Operating Specific Junk Files
+#-------------------------
+
+# OS X
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# OS X Thumbnails
+._*
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# Linux
+*~
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+#-------------------------
+# Environment Files
+#-------------------------
+# These should never be under version control,
+# as it poses a security risk.
+.env
+.vagrant
+Vagrantfile
+
+#-------------------------
+# Temporary Files
+#-------------------------
+writable/cache/*
+!writable/cache/index.html
+
+writable/logs/*
+!writable/logs/index.html
+
+writable/session/*
+!writable/session/index.html
+
+writable/uploads/*
+!writable/uploads/index.html
+
+writable/debugbar/*
+
+php_errors.log
+
+#-------------------------
+# User Guide Temp Files
+#-------------------------
+user_guide_src/build/*
+user_guide_src/cilexer/build/*
+user_guide_src/cilexer/dist/*
+user_guide_src/cilexer/pycilexer.egg-info/*
+
+#-------------------------
+# Test Files
+#-------------------------
+tests/coverage*
+
+# Don't save phpunit under version control.
+phpunit
+
+#-------------------------
+# Composer
+#-------------------------
+vendor/
+
+#-------------------------
+# IDE / Development Files
+#-------------------------
+
+# Modules Testing
+_modules/*
+
+# phpenv local config
+.php-version
+
+# Jetbrains editors (PHPStorm, etc)
+.idea/
+*.iml
+
+# Netbeans
+nbproject/
+build/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+.nb-gradle/
+
+# Sublime Text
+*.tmlanguage.cache
+*.tmPreferences.cache
+*.stTheme.cache
+*.sublime-workspace
+*.sublime-project
+.phpintel
+/api/
+
+# Visual Studio Code
+.vscode/
+
+/results/
+/phpunit*.xml
+/.phpunit.*.cache
+
diff --git a/410977019_0530_HW/LICENSE b/410977019_0530_HW/LICENSE
new file mode 100644
index 0000000..0119e5f
--- /dev/null
+++ b/410977019_0530_HW/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2019 British Columbia Institute of Technology
+Copyright (c) 2019-2023 CodeIgniter Foundation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/410977019_0530_HW/README.md b/410977019_0530_HW/README.md
new file mode 100644
index 0000000..461e949
--- /dev/null
+++ b/410977019_0530_HW/README.md
@@ -0,0 +1,62 @@
+# CodeIgniter 4 Application Starter
+
+## What is CodeIgniter?
+
+CodeIgniter is a PHP full-stack web framework that is light, fast, flexible and secure.
+More information can be found at the [official site](https://codeigniter.com).
+
+This repository holds a composer-installable app starter.
+It has been built from the
+[development repository](https://github.com/codeigniter4/CodeIgniter4).
+
+More information about the plans for version 4 can be found in [CodeIgniter 4](https://forum.codeigniter.com/forumdisplay.php?fid=28) on the forums.
+
+The user guide corresponding to the latest version of the framework can be found
+[here](https://codeigniter4.github.io/userguide/).
+
+## Installation & updates
+
+`composer create-project codeigniter4/appstarter` then `composer update` whenever
+there is a new release of the framework.
+
+When updating, check the release notes to see if there are any changes you might need to apply
+to your `app` folder. The affected files can be copied or merged from
+`vendor/codeigniter4/framework/app`.
+
+## Setup
+
+Copy `env` to `.env` and tailor for your app, specifically the baseURL
+and any database settings.
+
+## Important Change with index.php
+
+`index.php` is no longer in the root of the project! It has been moved inside the *public* folder,
+for better security and separation of components.
+
+This means that you should configure your web server to "point" to your project's *public* folder, and
+not to the project root. A better practice would be to configure a virtual host to point there. A poor practice would be to point your web server to the project root and expect to enter *public/...*, as the rest of your logic and the
+framework are exposed.
+
+**Please** read the user guide for a better explanation of how CI4 works!
+
+## Repository Management
+
+We use GitHub issues, in our main repository, to track **BUGS** and to track approved **DEVELOPMENT** work packages.
+We use our [forum](http://forum.codeigniter.com) to provide SUPPORT and to discuss
+FEATURE REQUESTS.
+
+This repository is a "distribution" one, built by our release preparation script.
+Problems with it can be raised on our forum, or as issues in the main repository.
+
+## Server Requirements
+
+PHP version 7.4 or higher is required, with the following extensions installed:
+
+- [intl](http://php.net/manual/en/intl.requirements.php)
+- [mbstring](http://php.net/manual/en/mbstring.installation.php)
+
+Additionally, make sure that the following extensions are enabled in your PHP:
+
+- json (enabled by default - don't turn it off)
+- [mysqlnd](http://php.net/manual/en/mysqlnd.install.php) if you plan to use MySQL
+- [libcurl](http://php.net/manual/en/curl.requirements.php) if you plan to use the HTTP\CURLRequest library
diff --git a/410977019_0530_HW/app/.htaccess b/410977019_0530_HW/app/.htaccess
new file mode 100644
index 0000000..f24db0a
--- /dev/null
+++ b/410977019_0530_HW/app/.htaccess
@@ -0,0 +1,6 @@
+<IfModule authz_core_module>
+    Require all denied
+</IfModule>
+<IfModule !authz_core_module>
+    Deny from all
+</IfModule>
diff --git a/410977019_0530_HW/app/Common.php b/410977019_0530_HW/app/Common.php
new file mode 100644
index 0000000..95f5544
--- /dev/null
+++ b/410977019_0530_HW/app/Common.php
@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * The goal of this file is to allow developers a location
+ * where they can overwrite core procedural functions and
+ * replace them with their own. This file is loaded during
+ * the bootstrap process and is called during the framework's
+ * execution.
+ *
+ * This can be looked at as a `master helper` file that is
+ * loaded early on, and may also contain additional functions
+ * that you'd like to use throughout your entire application
+ *
+ * @see: https://codeigniter.com/user_guide/extending/common.html
+ */
diff --git a/410977019_0530_HW/app/Config/App.php b/410977019_0530_HW/app/Config/App.php
new file mode 100644
index 0000000..67eaf7d
--- /dev/null
+++ b/410977019_0530_HW/app/Config/App.php
@@ -0,0 +1,449 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Session\Handlers\FileHandler;
+
+class App extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Base Site URL
+     * --------------------------------------------------------------------------
+     *
+     * URL to your CodeIgniter root. Typically, this will be your base URL,
+     * WITH a trailing slash:
+     *
+     *    http://example.com/
+     */
+    public string $baseURL = 'http://localhost:8080/';
+
+    /**
+     * Allowed Hostnames in the Site URL other than the hostname in the baseURL.
+     * If you want to accept multiple Hostnames, set this.
+     *
+     * E.g. When your site URL ($baseURL) is 'http://example.com/', and your site
+     *      also accepts 'http://media.example.com/' and
+     *      'http://accounts.example.com/':
+     *          ['media.example.com', 'accounts.example.com']
+     *
+     * @var string[]
+     * @phpstan-var list<string>
+     */
+    public array $allowedHostnames = [];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Index File
+     * --------------------------------------------------------------------------
+     *
+     * Typically this will be your index.php file, unless you've renamed it to
+     * something else. If you are using mod_rewrite to remove the page set this
+     * variable so that it is blank.
+     */
+    public string $indexPage = 'index.php';
+
+    /**
+     * --------------------------------------------------------------------------
+     * URI PROTOCOL
+     * --------------------------------------------------------------------------
+     *
+     * This item determines which server global should be used to retrieve the
+     * URI string.  The default setting of 'REQUEST_URI' works for most servers.
+     * If your links do not seem to work, try one of the other delicious flavors:
+     *
+     * 'REQUEST_URI'    Uses $_SERVER['REQUEST_URI']
+     * 'QUERY_STRING'   Uses $_SERVER['QUERY_STRING']
+     * 'PATH_INFO'      Uses $_SERVER['PATH_INFO']
+     *
+     * WARNING: If you set this to 'PATH_INFO', URIs will always be URL-decoded!
+     */
+    public string $uriProtocol = 'REQUEST_URI';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Default Locale
+     * --------------------------------------------------------------------------
+     *
+     * The Locale roughly represents the language and location that your visitor
+     * is viewing the site from. It affects the language strings and other
+     * strings (like currency markers, numbers, etc), that your program
+     * should run under for this request.
+     */
+    public string $defaultLocale = 'en';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Negotiate Locale
+     * --------------------------------------------------------------------------
+     *
+     * If true, the current Request object will automatically determine the
+     * language to use based on the value of the Accept-Language header.
+     *
+     * If false, no automatic detection will be performed.
+     */
+    public bool $negotiateLocale = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Supported Locales
+     * --------------------------------------------------------------------------
+     *
+     * If $negotiateLocale is true, this array lists the locales supported
+     * by the application in descending order of priority. If no match is
+     * found, the first locale will be used.
+     *
+     * IncomingRequest::setLocale() also uses this list.
+     *
+     * @var string[]
+     */
+    public array $supportedLocales = ['en'];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Application Timezone
+     * --------------------------------------------------------------------------
+     *
+     * The default timezone that will be used in your application to display
+     * dates with the date helper, and can be retrieved through app_timezone()
+     *
+     * @see https://www.php.net/manual/en/timezones.php for list of timezones supported by PHP.
+     */
+    public string $appTimezone = 'UTC';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Default Character Set
+     * --------------------------------------------------------------------------
+     *
+     * This determines which character set is used by default in various methods
+     * that require a character set to be provided.
+     *
+     * @see http://php.net/htmlspecialchars for a list of supported charsets.
+     */
+    public string $charset = 'UTF-8';
+
+    /**
+     * --------------------------------------------------------------------------
+     * URI PROTOCOL
+     * --------------------------------------------------------------------------
+     *
+     * If true, this will force every request made to this application to be
+     * made via a secure connection (HTTPS). If the incoming request is not
+     * secure, the user will be redirected to a secure version of the page
+     * and the HTTP Strict Transport Security header will be set.
+     */
+    public bool $forceGlobalSecureRequests = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Driver
+     * --------------------------------------------------------------------------
+     *
+     * The session storage driver to use:
+     * - `CodeIgniter\Session\Handlers\FileHandler`
+     * - `CodeIgniter\Session\Handlers\DatabaseHandler`
+     * - `CodeIgniter\Session\Handlers\MemcachedHandler`
+     * - `CodeIgniter\Session\Handlers\RedisHandler`
+     *
+     * @deprecated use Config\Session::$driver instead.
+     */
+    public string $sessionDriver = FileHandler::class;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Cookie Name
+     * --------------------------------------------------------------------------
+     *
+     * The session cookie name, must contain only [0-9a-z_-] characters
+     *
+     * @deprecated use Config\Session::$cookieName  instead.
+     */
+    public string $sessionCookieName = 'ci_session';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Expiration
+     * --------------------------------------------------------------------------
+     *
+     * The number of SECONDS you want the session to last.
+     * Setting to 0 (zero) means expire when the browser is closed.
+     *
+     * @deprecated use Config\Session::$expiration instead.
+     */
+    public int $sessionExpiration = 7200;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Save Path
+     * --------------------------------------------------------------------------
+     *
+     * The location to save sessions to and is driver dependent.
+     *
+     * For the 'files' driver, it's a path to a writable directory.
+     * WARNING: Only absolute paths are supported!
+     *
+     * For the 'database' driver, it's a table name.
+     * Please read up the manual for the format with other session drivers.
+     *
+     * IMPORTANT: You are REQUIRED to set a valid save path!
+     *
+     * @deprecated use Config\Session::$savePath instead.
+     */
+    public string $sessionSavePath = WRITEPATH . 'session';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Match IP
+     * --------------------------------------------------------------------------
+     *
+     * Whether to match the user's IP address when reading the session data.
+     *
+     * WARNING: If you're using the database driver, don't forget to update
+     *          your session table's PRIMARY KEY when changing this setting.
+     *
+     * @deprecated use Config\Session::$matchIP instead.
+     */
+    public bool $sessionMatchIP = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Time to Update
+     * --------------------------------------------------------------------------
+     *
+     * How many seconds between CI regenerating the session ID.
+     *
+     * @deprecated use Config\Session::$timeToUpdate instead.
+     */
+    public int $sessionTimeToUpdate = 300;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Regenerate Destroy
+     * --------------------------------------------------------------------------
+     *
+     * Whether to destroy session data associated with the old session ID
+     * when auto-regenerating the session ID. When set to FALSE, the data
+     * will be later deleted by the garbage collector.
+     *
+     * @deprecated use Config\Session::$regenerateDestroy instead.
+     */
+    public bool $sessionRegenerateDestroy = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Database Group
+     * --------------------------------------------------------------------------
+     *
+     * DB Group for the database session.
+     *
+     * @deprecated use Config\Session::$DBGroup instead.
+     */
+    public ?string $sessionDBGroup = null;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Prefix
+     * --------------------------------------------------------------------------
+     *
+     * Set a cookie name prefix if you need to avoid collisions.
+     *
+     * @deprecated use Config\Cookie::$prefix property instead.
+     */
+    public string $cookiePrefix = '';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Domain
+     * --------------------------------------------------------------------------
+     *
+     * Set to `.your-domain.com` for site-wide cookies.
+     *
+     * @deprecated use Config\Cookie::$domain property instead.
+     */
+    public string $cookieDomain = '';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Path
+     * --------------------------------------------------------------------------
+     *
+     * Typically will be a forward slash.
+     *
+     * @deprecated use Config\Cookie::$path property instead.
+     */
+    public string $cookiePath = '/';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Secure
+     * --------------------------------------------------------------------------
+     *
+     * Cookie will only be set if a secure HTTPS connection exists.
+     *
+     * @deprecated use Config\Cookie::$secure property instead.
+     */
+    public bool $cookieSecure = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie HttpOnly
+     * --------------------------------------------------------------------------
+     *
+     * Cookie will only be accessible via HTTP(S) (no JavaScript).
+     *
+     * @deprecated use Config\Cookie::$httponly property instead.
+     */
+    public bool $cookieHTTPOnly = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie SameSite
+     * --------------------------------------------------------------------------
+     *
+     * Configure cookie SameSite setting. Allowed values are:
+     * - None
+     * - Lax
+     * - Strict
+     * - ''
+     *
+     * Alternatively, you can use the constant names:
+     * - `Cookie::SAMESITE_NONE`
+     * - `Cookie::SAMESITE_LAX`
+     * - `Cookie::SAMESITE_STRICT`
+     *
+     * Defaults to `Lax` for compatibility with modern browsers. Setting `''`
+     * (empty string) means default SameSite attribute set by browsers (`Lax`)
+     * will be set on cookies. If set to `None`, `$cookieSecure` must also be set.
+     *
+     * @deprecated use Config\Cookie::$samesite property instead.
+     */
+    public ?string $cookieSameSite = 'Lax';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Reverse Proxy IPs
+     * --------------------------------------------------------------------------
+     *
+     * If your server is behind a reverse proxy, you must whitelist the proxy
+     * IP addresses from which CodeIgniter should trust headers such as
+     * X-Forwarded-For or Client-IP in order to properly identify
+     * the visitor's IP address.
+     *
+     * You need to set a proxy IP address or IP address with subnets and
+     * the HTTP header for the client IP address.
+     *
+     * Here are some examples:
+     *     [
+     *         '10.0.1.200'     => 'X-Forwarded-For',
+     *         '192.168.5.0/24' => 'X-Real-IP',
+     *     ]
+     *
+     * @var array<string, string>
+     */
+    public array $proxyIPs = [];
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Token Name
+     * --------------------------------------------------------------------------
+     *
+     * The token name.
+     *
+     * @deprecated Use `Config\Security` $tokenName property instead of using this property.
+     */
+    public string $CSRFTokenName = 'csrf_test_name';
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Header Name
+     * --------------------------------------------------------------------------
+     *
+     * The header name.
+     *
+     * @deprecated Use `Config\Security` $headerName property instead of using this property.
+     */
+    public string $CSRFHeaderName = 'X-CSRF-TOKEN';
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Cookie Name
+     * --------------------------------------------------------------------------
+     *
+     * The cookie name.
+     *
+     * @deprecated Use `Config\Security` $cookieName property instead of using this property.
+     */
+    public string $CSRFCookieName = 'csrf_cookie_name';
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Expire
+     * --------------------------------------------------------------------------
+     *
+     * The number in seconds the token should expire.
+     *
+     * @deprecated Use `Config\Security` $expire property instead of using this property.
+     */
+    public int $CSRFExpire = 7200;
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Regenerate
+     * --------------------------------------------------------------------------
+     *
+     * Regenerate token on every submission?
+     *
+     * @deprecated Use `Config\Security` $regenerate property instead of using this property.
+     */
+    public bool $CSRFRegenerate = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Redirect
+     * --------------------------------------------------------------------------
+     *
+     * Redirect to previous page with error on failure?
+     *
+     * @deprecated Use `Config\Security` $redirect property instead of using this property.
+     */
+    public bool $CSRFRedirect = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF SameSite
+     * --------------------------------------------------------------------------
+     *
+     * Setting for CSRF SameSite cookie token. Allowed values are:
+     * - None
+     * - Lax
+     * - Strict
+     * - ''
+     *
+     * Defaults to `Lax` as recommended in this link:
+     *
+     * @see https://portswigger.net/web-security/csrf/samesite-cookies
+     *
+     * @deprecated `Config\Cookie` $samesite property is used.
+     */
+    public string $CSRFSameSite = 'Lax';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Content Security Policy
+     * --------------------------------------------------------------------------
+     *
+     * Enables the Response's Content Secure Policy to restrict the sources that
+     * can be used for images, scripts, CSS files, audio, video, etc. If enabled,
+     * the Response object will populate default values for the policy from the
+     * `ContentSecurityPolicy.php` file. Controllers can always add to those
+     * restrictions at run time.
+     *
+     * For a better understanding of CSP, see these documents:
+     *
+     * @see http://www.html5rocks.com/en/tutorials/security/content-security-policy/
+     * @see http://www.w3.org/TR/CSP/
+     */
+    public bool $CSPEnabled = false;
+}
diff --git a/410977019_0530_HW/app/Config/Autoload.php b/410977019_0530_HW/app/Config/Autoload.php
new file mode 100644
index 0000000..abd9df9
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Autoload.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\AutoloadConfig;
+
+/**
+ * -------------------------------------------------------------------
+ * AUTOLOADER CONFIGURATION
+ * -------------------------------------------------------------------
+ *
+ * This file defines the namespaces and class maps so the Autoloader
+ * can find the files as needed.
+ *
+ * NOTE: If you use an identical key in $psr4 or $classmap, then
+ * the values in this file will overwrite the framework's values.
+ */
+class Autoload extends AutoloadConfig
+{
+    /**
+     * -------------------------------------------------------------------
+     * Namespaces
+     * -------------------------------------------------------------------
+     * This maps the locations of any namespaces in your application to
+     * their location on the file system. These are used by the autoloader
+     * to locate files the first time they have been instantiated.
+     *
+     * The '/app' and '/system' directories are already mapped for you.
+     * you may change the name of the 'App' namespace if you wish,
+     * but this should be done prior to creating any namespaced classes,
+     * else you will need to modify all of those classes for this to work.
+     *
+     * Prototype:
+     *   $psr4 = [
+     *       'CodeIgniter' => SYSTEMPATH,
+     *       'App'         => APPPATH
+     *   ];
+     *
+     * @var array<string, array<int, string>|string>
+     * @phpstan-var array<string, string|list<string>>
+     */
+    public $psr4 = [
+        APP_NAMESPACE => APPPATH, // For custom app namespace
+        'Config'      => APPPATH . 'Config',
+    ];
+
+    /**
+     * -------------------------------------------------------------------
+     * Class Map
+     * -------------------------------------------------------------------
+     * The class map provides a map of class names and their exact
+     * location on the drive. Classes loaded in this manner will have
+     * slightly faster performance because they will not have to be
+     * searched for within one or more directories as they would if they
+     * were being autoloaded through a namespace.
+     *
+     * Prototype:
+     *   $classmap = [
+     *       'MyClass'   => '/path/to/class/file.php'
+     *   ];
+     *
+     * @var array<string, string>
+     */
+    public $classmap = [];
+
+    /**
+     * -------------------------------------------------------------------
+     * Files
+     * -------------------------------------------------------------------
+     * The files array provides a list of paths to __non-class__ files
+     * that will be autoloaded. This can be useful for bootstrap operations
+     * or for loading functions.
+     *
+     * Prototype:
+     *   $files = [
+     *       '/path/to/my/file.php',
+     *   ];
+     *
+     * @var string[]
+     * @phpstan-var list<string>
+     */
+    public $files = [];
+
+    /**
+     * -------------------------------------------------------------------
+     * Helpers
+     * -------------------------------------------------------------------
+     * Prototype:
+     *   $helpers = [
+     *       'form',
+     *   ];
+     *
+     * @var string[]
+     * @phpstan-var list<string>
+     */
+    public $helpers = [];
+}
diff --git a/410977019_0530_HW/app/Config/Boot/development.php b/410977019_0530_HW/app/Config/Boot/development.php
new file mode 100644
index 0000000..05a8612
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Boot/development.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ |--------------------------------------------------------------------------
+ | ERROR DISPLAY
+ |--------------------------------------------------------------------------
+ | In development, we want to show as many errors as possible to help
+ | make sure they don't make it to production. And save us hours of
+ | painful debugging.
+ */
+error_reporting(-1);
+ini_set('display_errors', '1');
+
+/*
+ |--------------------------------------------------------------------------
+ | DEBUG BACKTRACES
+ |--------------------------------------------------------------------------
+ | If true, this constant will tell the error screens to display debug
+ | backtraces along with the other error information. If you would
+ | prefer to not see this, set this value to false.
+ */
+defined('SHOW_DEBUG_BACKTRACE') || define('SHOW_DEBUG_BACKTRACE', true);
+
+/*
+ |--------------------------------------------------------------------------
+ | DEBUG MODE
+ |--------------------------------------------------------------------------
+ | Debug mode is an experimental flag that can allow changes throughout
+ | the system. This will control whether Kint is loaded, and a few other
+ | items. It can always be used within your own application too.
+ */
+defined('CI_DEBUG') || define('CI_DEBUG', true);
diff --git a/410977019_0530_HW/app/Config/Boot/production.php b/410977019_0530_HW/app/Config/Boot/production.php
new file mode 100644
index 0000000..21d2580
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Boot/production.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ |--------------------------------------------------------------------------
+ | ERROR DISPLAY
+ |--------------------------------------------------------------------------
+ | Don't show ANY in production environments. Instead, let the system catch
+ | it and display a generic error message.
+ */
+ini_set('display_errors', '0');
+error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT & ~E_USER_NOTICE & ~E_USER_DEPRECATED);
+
+/*
+ |--------------------------------------------------------------------------
+ | DEBUG MODE
+ |--------------------------------------------------------------------------
+ | Debug mode is an experimental flag that can allow changes throughout
+ | the system. It's not widely used currently, and may not survive
+ | release of the framework.
+ */
+defined('CI_DEBUG') || define('CI_DEBUG', false);
diff --git a/410977019_0530_HW/app/Config/Boot/testing.php b/410977019_0530_HW/app/Config/Boot/testing.php
new file mode 100644
index 0000000..e07a1d4
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Boot/testing.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ |--------------------------------------------------------------------------
+ | ERROR DISPLAY
+ |--------------------------------------------------------------------------
+ | In development, we want to show as many errors as possible to help
+ | make sure they don't make it to production. And save us hours of
+ | painful debugging.
+ */
+error_reporting(-1);
+ini_set('display_errors', '1');
+
+/*
+ |--------------------------------------------------------------------------
+ | DEBUG BACKTRACES
+ |--------------------------------------------------------------------------
+ | If true, this constant will tell the error screens to display debug
+ | backtraces along with the other error information. If you would
+ | prefer to not see this, set this value to false.
+ */
+defined('SHOW_DEBUG_BACKTRACE') || define('SHOW_DEBUG_BACKTRACE', true);
+
+/*
+ |--------------------------------------------------------------------------
+ | DEBUG MODE
+ |--------------------------------------------------------------------------
+ | Debug mode is an experimental flag that can allow changes throughout
+ | the system. It's not widely used currently, and may not survive
+ | release of the framework.
+ */
+defined('CI_DEBUG') || define('CI_DEBUG', true);
diff --git a/410977019_0530_HW/app/Config/CURLRequest.php b/410977019_0530_HW/app/Config/CURLRequest.php
new file mode 100644
index 0000000..6c3ed74
--- /dev/null
+++ b/410977019_0530_HW/app/Config/CURLRequest.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class CURLRequest extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * CURLRequest Share Options
+     * --------------------------------------------------------------------------
+     *
+     * Whether share options between requests or not.
+     *
+     * If true, all the options won't be reset between requests.
+     * It may cause an error request with unnecessary headers.
+     */
+    public bool $shareOptions = true;
+}
diff --git a/410977019_0530_HW/app/Config/Cache.php b/410977019_0530_HW/app/Config/Cache.php
new file mode 100644
index 0000000..659d9ed
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Cache.php
@@ -0,0 +1,169 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Cache\Handlers\DummyHandler;
+use CodeIgniter\Cache\Handlers\FileHandler;
+use CodeIgniter\Cache\Handlers\MemcachedHandler;
+use CodeIgniter\Cache\Handlers\PredisHandler;
+use CodeIgniter\Cache\Handlers\RedisHandler;
+use CodeIgniter\Cache\Handlers\WincacheHandler;
+use CodeIgniter\Config\BaseConfig;
+
+class Cache extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Primary Handler
+     * --------------------------------------------------------------------------
+     *
+     * The name of the preferred handler that should be used. If for some reason
+     * it is not available, the $backupHandler will be used in its place.
+     */
+    public string $handler = 'file';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Backup Handler
+     * --------------------------------------------------------------------------
+     *
+     * The name of the handler that will be used in case the first one is
+     * unreachable. Often, 'file' is used here since the filesystem is
+     * always available, though that's not always practical for the app.
+     */
+    public string $backupHandler = 'dummy';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cache Directory Path
+     * --------------------------------------------------------------------------
+     *
+     * The path to where cache files should be stored, if using a file-based
+     * system.
+     *
+     * @deprecated Use the driver-specific variant under $file
+     */
+    public string $storePath = WRITEPATH . 'cache/';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cache Include Query String
+     * --------------------------------------------------------------------------
+     *
+     * Whether to take the URL query string into consideration when generating
+     * output cache files. Valid options are:
+     *
+     *    false      = Disabled
+     *    true       = Enabled, take all query parameters into account.
+     *                 Please be aware that this may result in numerous cache
+     *                 files generated for the same page over and over again.
+     *    array('q') = Enabled, but only take into account the specified list
+     *                 of query parameters.
+     *
+     * @var bool|string[]
+     */
+    public $cacheQueryString = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Key Prefix
+     * --------------------------------------------------------------------------
+     *
+     * This string is added to all cache item names to help avoid collisions
+     * if you run multiple applications with the same cache engine.
+     */
+    public string $prefix = '';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Default TTL
+     * --------------------------------------------------------------------------
+     *
+     * The default number of seconds to save items when none is specified.
+     *
+     * WARNING: This is not used by framework handlers where 60 seconds is
+     * hard-coded, but may be useful to projects and modules. This will replace
+     * the hard-coded value in a future release.
+     */
+    public int $ttl = 60;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Reserved Characters
+     * --------------------------------------------------------------------------
+     *
+     * A string of reserved characters that will not be allowed in keys or tags.
+     * Strings that violate this restriction will cause handlers to throw.
+     * Default: {}()/\@:
+     * Note: The default set is required for PSR-6 compliance.
+     */
+    public string $reservedCharacters = '{}()/\@:';
+
+    /**
+     * --------------------------------------------------------------------------
+     * File settings
+     * --------------------------------------------------------------------------
+     * Your file storage preferences can be specified below, if you are using
+     * the File driver.
+     *
+     * @var array<string, int|string|null>
+     */
+    public array $file = [
+        'storePath' => WRITEPATH . 'cache/',
+        'mode'      => 0640,
+    ];
+
+    /**
+     * -------------------------------------------------------------------------
+     * Memcached settings
+     * -------------------------------------------------------------------------
+     * Your Memcached servers can be specified below, if you are using
+     * the Memcached drivers.
+     *
+     * @see https://codeigniter.com/user_guide/libraries/caching.html#memcached
+     *
+     * @var array<string, bool|int|string>
+     */
+    public array $memcached = [
+        'host'   => '127.0.0.1',
+        'port'   => 11211,
+        'weight' => 1,
+        'raw'    => false,
+    ];
+
+    /**
+     * -------------------------------------------------------------------------
+     * Redis settings
+     * -------------------------------------------------------------------------
+     * Your Redis server can be specified below, if you are using
+     * the Redis or Predis drivers.
+     *
+     * @var array<string, int|string|null>
+     */
+    public array $redis = [
+        'host'     => '127.0.0.1',
+        'password' => null,
+        'port'     => 6379,
+        'timeout'  => 0,
+        'database' => 0,
+    ];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Available Cache Handlers
+     * --------------------------------------------------------------------------
+     *
+     * This is an array of cache engine alias' and class names. Only engines
+     * that are listed here are allowed to be used.
+     *
+     * @var array<string, string>
+     */
+    public array $validHandlers = [
+        'dummy'     => DummyHandler::class,
+        'file'      => FileHandler::class,
+        'memcached' => MemcachedHandler::class,
+        'predis'    => PredisHandler::class,
+        'redis'     => RedisHandler::class,
+        'wincache'  => WincacheHandler::class,
+    ];
+}
diff --git a/410977019_0530_HW/app/Config/Constants.php b/410977019_0530_HW/app/Config/Constants.php
new file mode 100644
index 0000000..47b92f8
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Constants.php
@@ -0,0 +1,94 @@
+<?php
+
+/*
+ | --------------------------------------------------------------------
+ | App Namespace
+ | --------------------------------------------------------------------
+ |
+ | This defines the default Namespace that is used throughout
+ | CodeIgniter to refer to the Application directory. Change
+ | this constant to change the namespace that all application
+ | classes should use.
+ |
+ | NOTE: changing this will require manually modifying the
+ | existing namespaces of App\* namespaced-classes.
+ */
+defined('APP_NAMESPACE') || define('APP_NAMESPACE', 'App');
+
+/*
+ | --------------------------------------------------------------------------
+ | Composer Path
+ | --------------------------------------------------------------------------
+ |
+ | The path that Composer's autoload file is expected to live. By default,
+ | the vendor folder is in the Root directory, but you can customize that here.
+ */
+defined('COMPOSER_PATH') || define('COMPOSER_PATH', ROOTPATH . 'vendor/autoload.php');
+
+/*
+ |--------------------------------------------------------------------------
+ | Timing Constants
+ |--------------------------------------------------------------------------
+ |
+ | Provide simple ways to work with the myriad of PHP functions that
+ | require information to be in seconds.
+ */
+defined('SECOND') || define('SECOND', 1);
+defined('MINUTE') || define('MINUTE', 60);
+defined('HOUR')   || define('HOUR', 3600);
+defined('DAY')    || define('DAY', 86400);
+defined('WEEK')   || define('WEEK', 604800);
+defined('MONTH')  || define('MONTH', 2_592_000);
+defined('YEAR')   || define('YEAR', 31_536_000);
+defined('DECADE') || define('DECADE', 315_360_000);
+
+/*
+ | --------------------------------------------------------------------------
+ | Exit Status Codes
+ | --------------------------------------------------------------------------
+ |
+ | Used to indicate the conditions under which the script is exit()ing.
+ | While there is no universal standard for error codes, there are some
+ | broad conventions.  Three such conventions are mentioned below, for
+ | those who wish to make use of them.  The CodeIgniter defaults were
+ | chosen for the least overlap with these conventions, while still
+ | leaving room for others to be defined in future versions and user
+ | applications.
+ |
+ | The three main conventions used for determining exit status codes
+ | are as follows:
+ |
+ |    Standard C/C++ Library (stdlibc):
+ |       http://www.gnu.org/software/libc/manual/html_node/Exit-Status.html
+ |       (This link also contains other GNU-specific conventions)
+ |    BSD sysexits.h:
+ |       http://www.gsp.com/cgi-bin/man.cgi?section=3&topic=sysexits
+ |    Bash scripting:
+ |       http://tldp.org/LDP/abs/html/exitcodes.html
+ |
+ */
+defined('EXIT_SUCCESS')        || define('EXIT_SUCCESS', 0);        // no errors
+defined('EXIT_ERROR')          || define('EXIT_ERROR', 1);          // generic error
+defined('EXIT_CONFIG')         || define('EXIT_CONFIG', 3);         // configuration error
+defined('EXIT_UNKNOWN_FILE')   || define('EXIT_UNKNOWN_FILE', 4);   // file not found
+defined('EXIT_UNKNOWN_CLASS')  || define('EXIT_UNKNOWN_CLASS', 5);  // unknown class
+defined('EXIT_UNKNOWN_METHOD') || define('EXIT_UNKNOWN_METHOD', 6); // unknown class member
+defined('EXIT_USER_INPUT')     || define('EXIT_USER_INPUT', 7);     // invalid user input
+defined('EXIT_DATABASE')       || define('EXIT_DATABASE', 8);       // database error
+defined('EXIT__AUTO_MIN')      || define('EXIT__AUTO_MIN', 9);      // lowest automatically-assigned error code
+defined('EXIT__AUTO_MAX')      || define('EXIT__AUTO_MAX', 125);    // highest automatically-assigned error code
+
+/**
+ * @deprecated Use \CodeIgniter\Events\Events::PRIORITY_LOW instead.
+ */
+define('EVENT_PRIORITY_LOW', 200);
+
+/**
+ * @deprecated Use \CodeIgniter\Events\Events::PRIORITY_NORMAL instead.
+ */
+define('EVENT_PRIORITY_NORMAL', 100);
+
+/**
+ * @deprecated Use \CodeIgniter\Events\Events::PRIORITY_HIGH instead.
+ */
+define('EVENT_PRIORITY_HIGH', 10);
diff --git a/410977019_0530_HW/app/Config/ContentSecurityPolicy.php b/410977019_0530_HW/app/Config/ContentSecurityPolicy.php
new file mode 100644
index 0000000..18612e1
--- /dev/null
+++ b/410977019_0530_HW/app/Config/ContentSecurityPolicy.php
@@ -0,0 +1,176 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+/**
+ * Stores the default settings for the ContentSecurityPolicy, if you
+ * choose to use it. The values here will be read in and set as defaults
+ * for the site. If needed, they can be overridden on a page-by-page basis.
+ *
+ * Suggested reference for explanations:
+ *
+ * @see https://www.html5rocks.com/en/tutorials/security/content-security-policy/
+ */
+class ContentSecurityPolicy extends BaseConfig
+{
+    // -------------------------------------------------------------------------
+    // Broadbrush CSP management
+    // -------------------------------------------------------------------------
+
+    /**
+     * Default CSP report context
+     */
+    public bool $reportOnly = false;
+
+    /**
+     * Specifies a URL where a browser will send reports
+     * when a content security policy is violated.
+     */
+    public ?string $reportURI = null;
+
+    /**
+     * Instructs user agents to rewrite URL schemes, changing
+     * HTTP to HTTPS. This directive is for websites with
+     * large numbers of old URLs that need to be rewritten.
+     */
+    public bool $upgradeInsecureRequests = false;
+
+    // -------------------------------------------------------------------------
+    // Sources allowed
+    // Note: once you set a policy to 'none', it cannot be further restricted
+    // -------------------------------------------------------------------------
+
+    /**
+     * Will default to self if not overridden
+     *
+     * @var string|string[]|null
+     */
+    public $defaultSrc;
+
+    /**
+     * Lists allowed scripts' URLs.
+     *
+     * @var string|string[]
+     */
+    public $scriptSrc = 'self';
+
+    /**
+     * Lists allowed stylesheets' URLs.
+     *
+     * @var string|string[]
+     */
+    public $styleSrc = 'self';
+
+    /**
+     * Defines the origins from which images can be loaded.
+     *
+     * @var string|string[]
+     */
+    public $imageSrc = 'self';
+
+    /**
+     * Restricts the URLs that can appear in a page's `<base>` element.
+     *
+     * Will default to self if not overridden
+     *
+     * @var string|string[]|null
+     */
+    public $baseURI;
+
+    /**
+     * Lists the URLs for workers and embedded frame contents
+     *
+     * @var string|string[]
+     */
+    public $childSrc = 'self';
+
+    /**
+     * Limits the origins that you can connect to (via XHR,
+     * WebSockets, and EventSource).
+     *
+     * @var string|string[]
+     */
+    public $connectSrc = 'self';
+
+    /**
+     * Specifies the origins that can serve web fonts.
+     *
+     * @var string|string[]
+     */
+    public $fontSrc;
+
+    /**
+     * Lists valid endpoints for submission from `<form>` tags.
+     *
+     * @var string|string[]
+     */
+    public $formAction = 'self';
+
+    /**
+     * Specifies the sources that can embed the current page.
+     * This directive applies to `<frame>`, `<iframe>`, `<embed>`,
+     * and `<applet>` tags. This directive can't be used in
+     * `<meta>` tags and applies only to non-HTML resources.
+     *
+     * @var string|string[]|null
+     */
+    public $frameAncestors;
+
+    /**
+     * The frame-src directive restricts the URLs which may
+     * be loaded into nested browsing contexts.
+     *
+     * @var array|string|null
+     */
+    public $frameSrc;
+
+    /**
+     * Restricts the origins allowed to deliver video and audio.
+     *
+     * @var string|string[]|null
+     */
+    public $mediaSrc;
+
+    /**
+     * Allows control over Flash and other plugins.
+     *
+     * @var string|string[]
+     */
+    public $objectSrc = 'self';
+
+    /**
+     * @var string|string[]|null
+     */
+    public $manifestSrc;
+
+    /**
+     * Limits the kinds of plugins a page may invoke.
+     *
+     * @var string|string[]|null
+     */
+    public $pluginTypes;
+
+    /**
+     * List of actions allowed.
+     *
+     * @var string|string[]|null
+     */
+    public $sandbox;
+
+    /**
+     * Nonce tag for style
+     */
+    public string $styleNonceTag = '{csp-style-nonce}';
+
+    /**
+     * Nonce tag for script
+     */
+    public string $scriptNonceTag = '{csp-script-nonce}';
+
+    /**
+     * Replace nonce tag automatically
+     */
+    public bool $autoNonce = true;
+}
diff --git a/410977019_0530_HW/app/Config/Cookie.php b/410977019_0530_HW/app/Config/Cookie.php
new file mode 100644
index 0000000..440af5e
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Cookie.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use DateTimeInterface;
+
+class Cookie extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Prefix
+     * --------------------------------------------------------------------------
+     *
+     * Set a cookie name prefix if you need to avoid collisions.
+     */
+    public string $prefix = '';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Expires Timestamp
+     * --------------------------------------------------------------------------
+     *
+     * Default expires timestamp for cookies. Setting this to `0` will mean the
+     * cookie will not have the `Expires` attribute and will behave as a session
+     * cookie.
+     *
+     * @var DateTimeInterface|int|string
+     */
+    public $expires = 0;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Path
+     * --------------------------------------------------------------------------
+     *
+     * Typically will be a forward slash.
+     */
+    public string $path = '/';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Domain
+     * --------------------------------------------------------------------------
+     *
+     * Set to `.your-domain.com` for site-wide cookies.
+     */
+    public string $domain = '';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Secure
+     * --------------------------------------------------------------------------
+     *
+     * Cookie will only be set if a secure HTTPS connection exists.
+     */
+    public bool $secure = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie HTTPOnly
+     * --------------------------------------------------------------------------
+     *
+     * Cookie will only be accessible via HTTP(S) (no JavaScript).
+     */
+    public bool $httponly = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie SameSite
+     * --------------------------------------------------------------------------
+     *
+     * Configure cookie SameSite setting. Allowed values are:
+     * - None
+     * - Lax
+     * - Strict
+     * - ''
+     *
+     * Alternatively, you can use the constant names:
+     * - `Cookie::SAMESITE_NONE`
+     * - `Cookie::SAMESITE_LAX`
+     * - `Cookie::SAMESITE_STRICT`
+     *
+     * Defaults to `Lax` for compatibility with modern browsers. Setting `''`
+     * (empty string) means default SameSite attribute set by browsers (`Lax`)
+     * will be set on cookies. If set to `None`, `$secure` must also be set.
+     */
+    public string $samesite = 'Lax';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Cookie Raw
+     * --------------------------------------------------------------------------
+     *
+     * This flag allows setting a "raw" cookie, i.e., its name and value are
+     * not URL encoded using `rawurlencode()`.
+     *
+     * If this is set to `true`, cookie names should be compliant of RFC 2616's
+     * list of allowed characters.
+     *
+     * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie#attributes
+     * @see https://tools.ietf.org/html/rfc2616#section-2.2
+     */
+    public bool $raw = false;
+}
diff --git a/410977019_0530_HW/app/Config/Database.php b/410977019_0530_HW/app/Config/Database.php
new file mode 100644
index 0000000..2c09212
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Database.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Database\Config;
+
+/**
+ * Database Configuration
+ */
+class Database extends Config
+{
+    /**
+     * The directory that holds the Migrations
+     * and Seeds directories.
+     */
+    public string $filesPath = APPPATH . 'Database' . DIRECTORY_SEPARATOR;
+
+    /**
+     * Lets you choose which connection group to
+     * use if no other is specified.
+     */
+    public string $defaultGroup = 'default';
+
+    /**
+     * The default database connection.
+     */
+    public array $default = [
+        'DSN'      => '',
+        'hostname' => 'localhost',
+        'username' => '',
+        'password' => '',
+        'database' => '',
+        'DBDriver' => 'MySQLi',
+        'DBPrefix' => '',
+        'pConnect' => false,
+        'DBDebug'  => true,
+        'charset'  => 'utf8',
+        'DBCollat' => 'utf8_general_ci',
+        'swapPre'  => '',
+        'encrypt'  => false,
+        'compress' => false,
+        'strictOn' => false,
+        'failover' => [],
+        'port'     => 3306,
+    ];
+
+    /**
+     * This database connection is used when
+     * running PHPUnit database tests.
+     */
+    public array $tests = [
+        'DSN'         => '',
+        'hostname'    => '127.0.0.1',
+        'username'    => '',
+        'password'    => '',
+        'database'    => ':memory:',
+        'DBDriver'    => 'SQLite3',
+        'DBPrefix'    => 'db_',  // Needed to ensure we're working correctly with prefixes live. DO NOT REMOVE FOR CI DEVS
+        'pConnect'    => false,
+        'DBDebug'     => true,
+        'charset'     => 'utf8',
+        'DBCollat'    => 'utf8_general_ci',
+        'swapPre'     => '',
+        'encrypt'     => false,
+        'compress'    => false,
+        'strictOn'    => false,
+        'failover'    => [],
+        'port'        => 3306,
+        'foreignKeys' => true,
+        'busyTimeout' => 1000,
+    ];
+
+    public function __construct()
+    {
+        parent::__construct();
+
+        // Ensure that we always set the database group to 'tests' if
+        // we are currently running an automated test suite, so that
+        // we don't overwrite live data on accident.
+        if (ENVIRONMENT === 'testing') {
+            $this->defaultGroup = 'tests';
+        }
+    }
+}
diff --git a/410977019_0530_HW/app/Config/DocTypes.php b/410977019_0530_HW/app/Config/DocTypes.php
new file mode 100644
index 0000000..788d68f
--- /dev/null
+++ b/410977019_0530_HW/app/Config/DocTypes.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Config;
+
+class DocTypes
+{
+    /**
+     * List of valid document types.
+     *
+     * @var array<string, string>
+     */
+    public array $list = [
+        'xhtml11'           => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">',
+        'xhtml1-strict'     => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
+        'xhtml1-trans'      => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
+        'xhtml1-frame'      => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">',
+        'xhtml-basic11'     => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd">',
+        'html5'             => '<!DOCTYPE html>',
+        'html4-strict'      => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">',
+        'html4-trans'       => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
+        'html4-frame'       => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">',
+        'mathml1'           => '<!DOCTYPE math SYSTEM "http://www.w3.org/Math/DTD/mathml1/mathml.dtd">',
+        'mathml2'           => '<!DOCTYPE math PUBLIC "-//W3C//DTD MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/mathml2.dtd">',
+        'svg10'             => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">',
+        'svg11'             => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">',
+        'svg11-basic'       => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Basic//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-basic.dtd">',
+        'svg11-tiny'        => '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Tiny//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-tiny.dtd">',
+        'xhtml-math-svg-xh' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">',
+        'xhtml-math-svg-sh' => '<!DOCTYPE svg:svg PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">',
+        'xhtml-rdfa-1'      => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">',
+        'xhtml-rdfa-2'      => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.1//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-2.dtd">',
+    ];
+
+    /**
+     * Whether to remove the solidus (`/`) character for void HTML elements (e.g. `<input>`)
+     * for HTML5 compatibility.
+     *
+     * Set to:
+     *    `true` - to be HTML5 compatible
+     *    `false` - to be XHTML compatible
+     */
+    public bool $html5 = true;
+}
diff --git a/410977019_0530_HW/app/Config/Email.php b/410977019_0530_HW/app/Config/Email.php
new file mode 100644
index 0000000..0135018
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Email.php
@@ -0,0 +1,117 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class Email extends BaseConfig
+{
+    public string $fromEmail  = '';
+    public string $fromName   = '';
+    public string $recipients = '';
+
+    /**
+     * The "user agent"
+     */
+    public string $userAgent = 'CodeIgniter';
+
+    /**
+     * The mail sending protocol: mail, sendmail, smtp
+     */
+    public string $protocol = 'mail';
+
+    /**
+     * The server path to Sendmail.
+     */
+    public string $mailPath = '/usr/sbin/sendmail';
+
+    /**
+     * SMTP Server Address
+     */
+    public string $SMTPHost = '';
+
+    /**
+     * SMTP Username
+     */
+    public string $SMTPUser = '';
+
+    /**
+     * SMTP Password
+     */
+    public string $SMTPPass = '';
+
+    /**
+     * SMTP Port
+     */
+    public int $SMTPPort = 25;
+
+    /**
+     * SMTP Timeout (in seconds)
+     */
+    public int $SMTPTimeout = 5;
+
+    /**
+     * Enable persistent SMTP connections
+     */
+    public bool $SMTPKeepAlive = false;
+
+    /**
+     * SMTP Encryption. Either tls or ssl
+     */
+    public string $SMTPCrypto = 'tls';
+
+    /**
+     * Enable word-wrap
+     */
+    public bool $wordWrap = true;
+
+    /**
+     * Character count to wrap at
+     */
+    public int $wrapChars = 76;
+
+    /**
+     * Type of mail, either 'text' or 'html'
+     */
+    public string $mailType = 'text';
+
+    /**
+     * Character set (utf-8, iso-8859-1, etc.)
+     */
+    public string $charset = 'UTF-8';
+
+    /**
+     * Whether to validate the email address
+     */
+    public bool $validate = false;
+
+    /**
+     * Email Priority. 1 = highest. 5 = lowest. 3 = normal
+     */
+    public int $priority = 3;
+
+    /**
+     * Newline character. (Use “\r\n” to comply with RFC 822)
+     */
+    public string $CRLF = "\r\n";
+
+    /**
+     * Newline character. (Use “\r\n” to comply with RFC 822)
+     */
+    public string $newline = "\r\n";
+
+    /**
+     * Enable BCC Batch Mode.
+     */
+    public bool $BCCBatchMode = false;
+
+    /**
+     * Number of emails in each BCC batch
+     */
+    public int $BCCBatchSize = 200;
+
+    /**
+     * Enable notify message from server
+     */
+    public bool $DSN = false;
+}
diff --git a/410977019_0530_HW/app/Config/Encryption.php b/410977019_0530_HW/app/Config/Encryption.php
new file mode 100644
index 0000000..2834413
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Encryption.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+/**
+ * Encryption configuration.
+ *
+ * These are the settings used for encryption, if you don't pass a parameter
+ * array to the encrypter for creation/initialization.
+ */
+class Encryption extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Encryption Key Starter
+     * --------------------------------------------------------------------------
+     *
+     * If you use the Encryption class you must set an encryption key (seed).
+     * You need to ensure it is long enough for the cipher and mode you plan to use.
+     * See the user guide for more info.
+     */
+    public string $key = '';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Encryption Driver to Use
+     * --------------------------------------------------------------------------
+     *
+     * One of the supported encryption drivers.
+     *
+     * Available drivers:
+     * - OpenSSL
+     * - Sodium
+     */
+    public string $driver = 'OpenSSL';
+
+    /**
+     * --------------------------------------------------------------------------
+     * SodiumHandler's Padding Length in Bytes
+     * --------------------------------------------------------------------------
+     *
+     * This is the number of bytes that will be padded to the plaintext message
+     * before it is encrypted. This value should be greater than zero.
+     *
+     * See the user guide for more information on padding.
+     */
+    public int $blockSize = 16;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Encryption digest
+     * --------------------------------------------------------------------------
+     *
+     * HMAC digest to use, e.g. 'SHA512' or 'SHA256'. Default value is 'SHA512'.
+     */
+    public string $digest = 'SHA512';
+
+    /**
+     * Whether the cipher-text should be raw. If set to false, then it will be base64 encoded.
+     * This setting is only used by OpenSSLHandler.
+     *
+     * Set to false for CI3 Encryption compatibility.
+     */
+    public bool $rawData = true;
+
+    /**
+     * Encryption key info.
+     * This setting is only used by OpenSSLHandler.
+     *
+     * Set to 'encryption' for CI3 Encryption compatibility.
+     */
+    public string $encryptKeyInfo = '';
+
+    /**
+     * Authentication key info.
+     * This setting is only used by OpenSSLHandler.
+     *
+     * Set to 'authentication' for CI3 Encryption compatibility.
+     */
+    public string $authKeyInfo = '';
+
+    /**
+     * Cipher to use.
+     * This setting is only used by OpenSSLHandler.
+     *
+     * Set to 'AES-128-CBC' to decrypt encrypted data that encrypted
+     * by CI3 Encryption default configuration.
+     */
+    public string $cipher = 'AES-256-CTR';
+}
diff --git a/410977019_0530_HW/app/Config/Events.php b/410977019_0530_HW/app/Config/Events.php
new file mode 100644
index 0000000..5219f4a
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Events.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Events\Events;
+use CodeIgniter\Exceptions\FrameworkException;
+
+/*
+ * --------------------------------------------------------------------
+ * Application Events
+ * --------------------------------------------------------------------
+ * Events allow you to tap into the execution of the program without
+ * modifying or extending core files. This file provides a central
+ * location to define your events, though they can always be added
+ * at run-time, also, if needed.
+ *
+ * You create code that can execute by subscribing to events with
+ * the 'on()' method. This accepts any form of callable, including
+ * Closures, that will be executed when the event is triggered.
+ *
+ * Example:
+ *      Events::on('create', [$myInstance, 'myMethod']);
+ */
+
+Events::on('pre_system', static function () {
+    if (ENVIRONMENT !== 'testing') {
+        if (ini_get('zlib.output_compression')) {
+            throw FrameworkException::forEnabledZlibOutputCompression();
+        }
+
+        while (ob_get_level() > 0) {
+            ob_end_flush();
+        }
+
+        ob_start(static fn ($buffer) => $buffer);
+    }
+
+    /*
+     * --------------------------------------------------------------------
+     * Debug Toolbar Listeners.
+     * --------------------------------------------------------------------
+     * If you delete, they will no longer be collected.
+     */
+    if (CI_DEBUG && ! is_cli()) {
+        Events::on('DBQuery', 'CodeIgniter\Debug\Toolbar\Collectors\Database::collect');
+        Services::toolbar()->respond();
+    }
+});
diff --git a/410977019_0530_HW/app/Config/Exceptions.php b/410977019_0530_HW/app/Config/Exceptions.php
new file mode 100644
index 0000000..bf3a1b9
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Exceptions.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use Psr\Log\LogLevel;
+
+/**
+ * Setup how the exception handler works.
+ */
+class Exceptions extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * LOG EXCEPTIONS?
+     * --------------------------------------------------------------------------
+     * If true, then exceptions will be logged
+     * through Services::Log.
+     *
+     * Default: true
+     */
+    public bool $log = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * DO NOT LOG STATUS CODES
+     * --------------------------------------------------------------------------
+     * Any status codes here will NOT be logged if logging is turned on.
+     * By default, only 404 (Page Not Found) exceptions are ignored.
+     */
+    public array $ignoreCodes = [404];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Error Views Path
+     * --------------------------------------------------------------------------
+     * This is the path to the directory that contains the 'cli' and 'html'
+     * directories that hold the views used to generate errors.
+     *
+     * Default: APPPATH.'Views/errors'
+     */
+    public string $errorViewPath = APPPATH . 'Views/errors';
+
+    /**
+     * --------------------------------------------------------------------------
+     * HIDE FROM DEBUG TRACE
+     * --------------------------------------------------------------------------
+     * Any data that you would like to hide from the debug trace.
+     * In order to specify 2 levels, use "/" to separate.
+     * ex. ['server', 'setup/password', 'secret_token']
+     */
+    public array $sensitiveDataInTrace = [];
+
+    /**
+     * --------------------------------------------------------------------------
+     * LOG DEPRECATIONS INSTEAD OF THROWING?
+     * --------------------------------------------------------------------------
+     * By default, CodeIgniter converts deprecations into exceptions. Also,
+     * starting in PHP 8.1 will cause a lot of deprecated usage warnings.
+     * Use this option to temporarily cease the warnings and instead log those.
+     * This option also works for user deprecations.
+     */
+    public bool $logDeprecations = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * LOG LEVEL THRESHOLD FOR DEPRECATIONS
+     * --------------------------------------------------------------------------
+     * If `$logDeprecations` is set to `true`, this sets the log level
+     * to which the deprecation will be logged. This should be one of the log
+     * levels recognized by PSR-3.
+     *
+     * The related `Config\Logger::$threshold` should be adjusted, if needed,
+     * to capture logging the deprecations.
+     */
+    public string $deprecationLogLevel = LogLevel::WARNING;
+}
diff --git a/410977019_0530_HW/app/Config/Feature.php b/410977019_0530_HW/app/Config/Feature.php
new file mode 100644
index 0000000..0bc45c6
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Feature.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+/**
+ * Enable/disable backward compatibility breaking features.
+ */
+class Feature extends BaseConfig
+{
+    /**
+     * Enable multiple filters for a route or not.
+     *
+     * If you enable this:
+     *   - CodeIgniter\CodeIgniter::handleRequest() uses:
+     *     - CodeIgniter\Filters\Filters::enableFilters(), instead of enableFilter()
+     *   - CodeIgniter\CodeIgniter::tryToRouteIt() uses:
+     *     - CodeIgniter\Router\Router::getFilters(), instead of getFilter()
+     *   - CodeIgniter\Router\Router::handle() uses:
+     *     - property $filtersInfo, instead of $filterInfo
+     *     - CodeIgniter\Router\RouteCollection::getFiltersForRoute(), instead of getFilterForRoute()
+     */
+    public bool $multipleFilters = false;
+
+    /**
+     * Use improved new auto routing instead of the default legacy version.
+     */
+    public bool $autoRoutesImproved = false;
+}
diff --git a/410977019_0530_HW/app/Config/Filters.php b/410977019_0530_HW/app/Config/Filters.php
new file mode 100644
index 0000000..7b70c4f
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Filters.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Filters\CSRF;
+use CodeIgniter\Filters\DebugToolbar;
+use CodeIgniter\Filters\Honeypot;
+use CodeIgniter\Filters\InvalidChars;
+use CodeIgniter\Filters\SecureHeaders;
+
+class Filters extends BaseConfig
+{
+    /**
+     * Configures aliases for Filter classes to
+     * make reading things nicer and simpler.
+     */
+    public array $aliases = [
+        'csrf'          => CSRF::class,
+        'toolbar'       => DebugToolbar::class,
+        'honeypot'      => Honeypot::class,
+        'invalidchars'  => InvalidChars::class,
+        'secureheaders' => SecureHeaders::class,
+    ];
+
+    /**
+     * List of filter aliases that are always
+     * applied before and after every request.
+     */
+    public array $globals = [
+        'before' => [
+            // 'honeypot',
+            // 'csrf',
+            // 'invalidchars',
+        ],
+        'after' => [
+            'toolbar',
+            // 'honeypot',
+            // 'secureheaders',
+        ],
+    ];
+
+    /**
+     * List of filter aliases that works on a
+     * particular HTTP method (GET, POST, etc.).
+     *
+     * Example:
+     * 'post' => ['foo', 'bar']
+     *
+     * If you use this, you should disable auto-routing because auto-routing
+     * permits any HTTP method to access a controller. Accessing the controller
+     * with a method you don’t expect could bypass the filter.
+     */
+    public array $methods = [];
+
+    /**
+     * List of filter aliases that should run on any
+     * before or after URI patterns.
+     *
+     * Example:
+     * 'isLoggedIn' => ['before' => ['account/*', 'profiles/*']]
+     */
+    public array $filters = [];
+}
diff --git a/410977019_0530_HW/app/Config/ForeignCharacters.php b/410977019_0530_HW/app/Config/ForeignCharacters.php
new file mode 100644
index 0000000..174ddb1
--- /dev/null
+++ b/410977019_0530_HW/app/Config/ForeignCharacters.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\ForeignCharacters as BaseForeignCharacters;
+
+class ForeignCharacters extends BaseForeignCharacters
+{
+}
diff --git a/410977019_0530_HW/app/Config/Format.php b/410977019_0530_HW/app/Config/Format.php
new file mode 100644
index 0000000..749da3e
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Format.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Format\FormatterInterface;
+use CodeIgniter\Format\JSONFormatter;
+use CodeIgniter\Format\XMLFormatter;
+
+class Format extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Available Response Formats
+     * --------------------------------------------------------------------------
+     *
+     * When you perform content negotiation with the request, these are the
+     * available formats that your application supports. This is currently
+     * only used with the API\ResponseTrait. A valid Formatter must exist
+     * for the specified format.
+     *
+     * These formats are only checked when the data passed to the respond()
+     * method is an array.
+     *
+     * @var string[]
+     */
+    public array $supportedResponseFormats = [
+        'application/json',
+        'application/xml', // machine-readable XML
+        'text/xml', // human-readable XML
+    ];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Formatters
+     * --------------------------------------------------------------------------
+     *
+     * Lists the class to use to format responses with of a particular type.
+     * For each mime type, list the class that should be used. Formatters
+     * can be retrieved through the getFormatter() method.
+     *
+     * @var array<string, string>
+     */
+    public array $formatters = [
+        'application/json' => JSONFormatter::class,
+        'application/xml'  => XMLFormatter::class,
+        'text/xml'         => XMLFormatter::class,
+    ];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Formatters Options
+     * --------------------------------------------------------------------------
+     *
+     * Additional Options to adjust default formatters behaviour.
+     * For each mime type, list the additional options that should be used.
+     *
+     * @var array<string, int>
+     */
+    public array $formatterOptions = [
+        'application/json' => JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES,
+        'application/xml'  => 0,
+        'text/xml'         => 0,
+    ];
+
+    /**
+     * A Factory method to return the appropriate formatter for the given mime type.
+     *
+     * @return FormatterInterface
+     *
+     * @deprecated This is an alias of `\CodeIgniter\Format\Format::getFormatter`. Use that instead.
+     */
+    public function getFormatter(string $mime)
+    {
+        return Services::format()->getFormatter($mime);
+    }
+}
diff --git a/410977019_0530_HW/app/Config/Generators.php b/410977019_0530_HW/app/Config/Generators.php
new file mode 100644
index 0000000..6566a31
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Generators.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class Generators extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Generator Commands' Views
+     * --------------------------------------------------------------------------
+     *
+     * This array defines the mapping of generator commands to the view files
+     * they are using. If you need to customize them for your own, copy these
+     * view files in your own folder and indicate the location here.
+     *
+     * You will notice that the views have special placeholders enclosed in
+     * curly braces `{...}`. These placeholders are used internally by the
+     * generator commands in processing replacements, thus you are warned
+     * not to delete them or modify the names. If you will do so, you may
+     * end up disrupting the scaffolding process and throw errors.
+     *
+     * YOU HAVE BEEN WARNED!
+     *
+     * @var array<string, string>
+     */
+    public array $views = [
+        'make:cell'         => 'CodeIgniter\Commands\Generators\Views\cell.tpl.php',
+        'make:cell_view'    => 'CodeIgniter\Commands\Generators\Views\cell_view.tpl.php',
+        'make:command'      => 'CodeIgniter\Commands\Generators\Views\command.tpl.php',
+        'make:config'       => 'CodeIgniter\Commands\Generators\Views\config.tpl.php',
+        'make:controller'   => 'CodeIgniter\Commands\Generators\Views\controller.tpl.php',
+        'make:entity'       => 'CodeIgniter\Commands\Generators\Views\entity.tpl.php',
+        'make:filter'       => 'CodeIgniter\Commands\Generators\Views\filter.tpl.php',
+        'make:migration'    => 'CodeIgniter\Commands\Generators\Views\migration.tpl.php',
+        'make:model'        => 'CodeIgniter\Commands\Generators\Views\model.tpl.php',
+        'make:seeder'       => 'CodeIgniter\Commands\Generators\Views\seeder.tpl.php',
+        'make:validation'   => 'CodeIgniter\Commands\Generators\Views\validation.tpl.php',
+        'session:migration' => 'CodeIgniter\Commands\Generators\Views\migration.tpl.php',
+    ];
+}
diff --git a/410977019_0530_HW/app/Config/Honeypot.php b/410977019_0530_HW/app/Config/Honeypot.php
new file mode 100644
index 0000000..67ebcb0
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Honeypot.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class Honeypot extends BaseConfig
+{
+    /**
+     * Makes Honeypot visible or not to human
+     */
+    public bool $hidden = true;
+
+    /**
+     * Honeypot Label Content
+     */
+    public string $label = 'Fill This Field';
+
+    /**
+     * Honeypot Field Name
+     */
+    public string $name = 'honeypot';
+
+    /**
+     * Honeypot HTML Template
+     */
+    public string $template = '<label>{label}</label><input type="text" name="{name}" value="">';
+
+    /**
+     * Honeypot container
+     *
+     * If you enabled CSP, you can remove `style="display:none"`.
+     */
+    public string $container = '<div style="display:none">{template}</div>';
+
+    /**
+     * The id attribute for Honeypot container tag
+     *
+     * Used when CSP is enabled.
+     */
+    public string $containerId = 'hpc';
+}
diff --git a/410977019_0530_HW/app/Config/Images.php b/410977019_0530_HW/app/Config/Images.php
new file mode 100644
index 0000000..a33ddad
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Images.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Images\Handlers\GDHandler;
+use CodeIgniter\Images\Handlers\ImageMagickHandler;
+
+class Images extends BaseConfig
+{
+    /**
+     * Default handler used if no other handler is specified.
+     */
+    public string $defaultHandler = 'gd';
+
+    /**
+     * The path to the image library.
+     * Required for ImageMagick, GraphicsMagick, or NetPBM.
+     */
+    public string $libraryPath = '/usr/local/bin/convert';
+
+    /**
+     * The available handler classes.
+     *
+     * @var array<string, string>
+     */
+    public array $handlers = [
+        'gd'      => GDHandler::class,
+        'imagick' => ImageMagickHandler::class,
+    ];
+}
diff --git a/410977019_0530_HW/app/Config/Kint.php b/410977019_0530_HW/app/Config/Kint.php
new file mode 100644
index 0000000..7e0a015
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Kint.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use Kint\Renderer\AbstractRenderer;
+
+/**
+ * --------------------------------------------------------------------------
+ * Kint
+ * --------------------------------------------------------------------------
+ *
+ * We use Kint's `RichRenderer` and `CLIRenderer`. This area contains options
+ * that you can set to customize how Kint works for you.
+ *
+ * @see https://kint-php.github.io/kint/ for details on these settings.
+ */
+class Kint extends BaseConfig
+{
+    /*
+    |--------------------------------------------------------------------------
+    | Global Settings
+    |--------------------------------------------------------------------------
+    */
+
+    public $plugins;
+    public int $maxDepth           = 6;
+    public bool $displayCalledFrom = true;
+    public bool $expanded          = false;
+
+    /*
+    |--------------------------------------------------------------------------
+    | RichRenderer Settings
+    |--------------------------------------------------------------------------
+    */
+    public string $richTheme = 'aante-light.css';
+    public bool $richFolder  = false;
+    public int $richSort     = AbstractRenderer::SORT_FULL;
+    public $richObjectPlugins;
+    public $richTabPlugins;
+
+    /*
+    |--------------------------------------------------------------------------
+    | CLI Settings
+    |--------------------------------------------------------------------------
+    */
+    public bool $cliColors      = true;
+    public bool $cliForceUTF8   = false;
+    public bool $cliDetectWidth = true;
+    public int $cliMinWidth     = 40;
+}
diff --git a/410977019_0530_HW/app/Config/Logger.php b/410977019_0530_HW/app/Config/Logger.php
new file mode 100644
index 0000000..7c7414d
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Logger.php
@@ -0,0 +1,150 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Log\Handlers\FileHandler;
+
+class Logger extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Error Logging Threshold
+     * --------------------------------------------------------------------------
+     *
+     * You can enable error logging by setting a threshold over zero. The
+     * threshold determines what gets logged. Any values below or equal to the
+     * threshold will be logged.
+     *
+     * Threshold options are:
+     *
+     * - 0 = Disables logging, Error logging TURNED OFF
+     * - 1 = Emergency Messages - System is unusable
+     * - 2 = Alert Messages - Action Must Be Taken Immediately
+     * - 3 = Critical Messages - Application component unavailable, unexpected exception.
+     * - 4 = Runtime Errors - Don't need immediate action, but should be monitored.
+     * - 5 = Warnings - Exceptional occurrences that are not errors.
+     * - 6 = Notices - Normal but significant events.
+     * - 7 = Info - Interesting events, like user logging in, etc.
+     * - 8 = Debug - Detailed debug information.
+     * - 9 = All Messages
+     *
+     * You can also pass an array with threshold levels to show individual error types
+     *
+     *     array(1, 2, 3, 8) = Emergency, Alert, Critical, and Debug messages
+     *
+     * For a live site you'll usually enable Critical or higher (3) to be logged otherwise
+     * your log files will fill up very fast.
+     *
+     * @var array|int
+     */
+    public $threshold = (ENVIRONMENT === 'production') ? 4 : 9;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Date Format for Logs
+     * --------------------------------------------------------------------------
+     *
+     * Each item that is logged has an associated date. You can use PHP date
+     * codes to set your own date formatting
+     */
+    public string $dateFormat = 'Y-m-d H:i:s';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Log Handlers
+     * --------------------------------------------------------------------------
+     *
+     * The logging system supports multiple actions to be taken when something
+     * is logged. This is done by allowing for multiple Handlers, special classes
+     * designed to write the log to their chosen destinations, whether that is
+     * a file on the getServer, a cloud-based service, or even taking actions such
+     * as emailing the dev team.
+     *
+     * Each handler is defined by the class name used for that handler, and it
+     * MUST implement the `CodeIgniter\Log\Handlers\HandlerInterface` interface.
+     *
+     * The value of each key is an array of configuration items that are sent
+     * to the constructor of each handler. The only required configuration item
+     * is the 'handles' element, which must be an array of integer log levels.
+     * This is most easily handled by using the constants defined in the
+     * `Psr\Log\LogLevel` class.
+     *
+     * Handlers are executed in the order defined in this array, starting with
+     * the handler on top and continuing down.
+     */
+    public array $handlers = [
+
+        /*
+         * --------------------------------------------------------------------
+         * File Handler
+         * --------------------------------------------------------------------
+         */
+        FileHandler::class => [
+
+            // The log levels that this handler will handle.
+            'handles' => [
+                'critical',
+                'alert',
+                'emergency',
+                'debug',
+                'error',
+                'info',
+                'notice',
+                'warning',
+            ],
+
+            /*
+             * The default filename extension for log files.
+             * An extension of 'php' allows for protecting the log files via basic
+             * scripting, when they are to be stored under a publicly accessible directory.
+             *
+             * Note: Leaving it blank will default to 'log'.
+             */
+            'fileExtension' => '',
+
+            /*
+             * The file system permissions to be applied on newly created log files.
+             *
+             * IMPORTANT: This MUST be an integer (no quotes) and you MUST use octal
+             * integer notation (i.e. 0700, 0644, etc.)
+             */
+            'filePermissions' => 0644,
+
+            /*
+             * Logging Directory Path
+             *
+             * By default, logs are written to WRITEPATH . 'logs/'
+             * Specify a different destination here, if desired.
+             */
+            'path' => '',
+        ],
+
+        /*
+         * The ChromeLoggerHandler requires the use of the Chrome web browser
+         * and the ChromeLogger extension. Uncomment this block to use it.
+         */
+        // 'CodeIgniter\Log\Handlers\ChromeLoggerHandler' => [
+        //     /*
+        //      * The log levels that this handler will handle.
+        //      */
+        //     'handles' => ['critical', 'alert', 'emergency', 'debug',
+        //                   'error', 'info', 'notice', 'warning'],
+        // ],
+
+        /*
+         * The ErrorlogHandler writes the logs to PHP's native `error_log()` function.
+         * Uncomment this block to use it.
+         */
+        // 'CodeIgniter\Log\Handlers\ErrorlogHandler' => [
+        //     /* The log levels this handler can handle. */
+        //     'handles' => ['critical', 'alert', 'emergency', 'debug', 'error', 'info', 'notice', 'warning'],
+        //
+        //     /*
+        //     * The message type where the error should go. Can be 0 or 4, or use the
+        //     * class constants: `ErrorlogHandler::TYPE_OS` (0) or `ErrorlogHandler::TYPE_SAPI` (4)
+        //     */
+        //     'messageType' => 0,
+        // ],
+    ];
+}
diff --git a/410977019_0530_HW/app/Config/Migrations.php b/410977019_0530_HW/app/Config/Migrations.php
new file mode 100644
index 0000000..af28e8e
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Migrations.php
@@ -0,0 +1,52 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class Migrations extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Enable/Disable Migrations
+     * --------------------------------------------------------------------------
+     *
+     * Migrations are enabled by default.
+     *
+     * You should enable migrations whenever you intend to do a schema migration
+     * and disable it back when you're done.
+     */
+    public bool $enabled = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Migrations Table
+     * --------------------------------------------------------------------------
+     *
+     * This is the name of the table that will store the current migrations state.
+     * When migrations runs it will store in a database table which migration
+     * level the system is at. It then compares the migration level in this
+     * table to the $config['migration_version'] if they are not the same it
+     * will migrate up. This must be set.
+     */
+    public string $table = 'migrations';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Timestamp Format
+     * --------------------------------------------------------------------------
+     *
+     * This is the format that will be used when creating new migrations
+     * using the CLI command:
+     *   > php spark make:migration
+     *
+     * Note: if you set an unsupported format, migration runner will not find
+     *       your migration files.
+     *
+     * Supported formats:
+     * - YmdHis_
+     * - Y-m-d-His_
+     * - Y_m_d_His_
+     */
+    public string $timestampFormat = 'Y-m-d-His_';
+}
diff --git a/410977019_0530_HW/app/Config/Mimes.php b/410977019_0530_HW/app/Config/Mimes.php
new file mode 100644
index 0000000..99d28e5
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Mimes.php
@@ -0,0 +1,532 @@
+<?php
+
+namespace Config;
+
+/**
+ * Mimes
+ *
+ * This file contains an array of mime types.  It is used by the
+ * Upload class to help identify allowed file types.
+ *
+ * When more than one variation for an extension exist (like jpg, jpeg, etc)
+ * the most common one should be first in the array to aid the guess*
+ * methods. The same applies when more than one mime-type exists for a
+ * single extension.
+ *
+ * When working with mime types, please make sure you have the ´fileinfo´
+ * extension enabled to reliably detect the media types.
+ */
+class Mimes
+{
+    /**
+     * Map of extensions to mime types.
+     */
+    public static array $mimes = [
+        'hqx' => [
+            'application/mac-binhex40',
+            'application/mac-binhex',
+            'application/x-binhex40',
+            'application/x-mac-binhex40',
+        ],
+        'cpt' => 'application/mac-compactpro',
+        'csv' => [
+            'text/csv',
+            'text/x-comma-separated-values',
+            'text/comma-separated-values',
+            'application/vnd.ms-excel',
+            'application/x-csv',
+            'text/x-csv',
+            'application/csv',
+            'application/excel',
+            'application/vnd.msexcel',
+            'text/plain',
+        ],
+        'bin' => [
+            'application/macbinary',
+            'application/mac-binary',
+            'application/octet-stream',
+            'application/x-binary',
+            'application/x-macbinary',
+        ],
+        'dms' => 'application/octet-stream',
+        'lha' => 'application/octet-stream',
+        'lzh' => 'application/octet-stream',
+        'exe' => [
+            'application/octet-stream',
+            'application/vnd.microsoft.portable-executable',
+            'application/x-dosexec',
+            'application/x-msdownload',
+        ],
+        'class' => 'application/octet-stream',
+        'psd'   => [
+            'application/x-photoshop',
+            'image/vnd.adobe.photoshop',
+        ],
+        'so'  => 'application/octet-stream',
+        'sea' => 'application/octet-stream',
+        'dll' => 'application/octet-stream',
+        'oda' => 'application/oda',
+        'pdf' => [
+            'application/pdf',
+            'application/force-download',
+            'application/x-download',
+        ],
+        'ai' => [
+            'application/pdf',
+            'application/postscript',
+        ],
+        'eps'  => 'application/postscript',
+        'ps'   => 'application/postscript',
+        'smi'  => 'application/smil',
+        'smil' => 'application/smil',
+        'mif'  => 'application/vnd.mif',
+        'xls'  => [
+            'application/vnd.ms-excel',
+            'application/msexcel',
+            'application/x-msexcel',
+            'application/x-ms-excel',
+            'application/x-excel',
+            'application/x-dos_ms_excel',
+            'application/xls',
+            'application/x-xls',
+            'application/excel',
+            'application/download',
+            'application/vnd.ms-office',
+            'application/msword',
+        ],
+        'ppt' => [
+            'application/vnd.ms-powerpoint',
+            'application/powerpoint',
+            'application/vnd.ms-office',
+            'application/msword',
+        ],
+        'pptx' => [
+            'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+        ],
+        'wbxml' => 'application/wbxml',
+        'wmlc'  => 'application/wmlc',
+        'dcr'   => 'application/x-director',
+        'dir'   => 'application/x-director',
+        'dxr'   => 'application/x-director',
+        'dvi'   => 'application/x-dvi',
+        'gtar'  => 'application/x-gtar',
+        'gz'    => 'application/x-gzip',
+        'gzip'  => 'application/x-gzip',
+        'php'   => [
+            'application/x-php',
+            'application/x-httpd-php',
+            'application/php',
+            'text/php',
+            'text/x-php',
+            'application/x-httpd-php-source',
+        ],
+        'php4'  => 'application/x-httpd-php',
+        'php3'  => 'application/x-httpd-php',
+        'phtml' => 'application/x-httpd-php',
+        'phps'  => 'application/x-httpd-php-source',
+        'js'    => [
+            'application/x-javascript',
+            'text/plain',
+        ],
+        'swf' => 'application/x-shockwave-flash',
+        'sit' => 'application/x-stuffit',
+        'tar' => 'application/x-tar',
+        'tgz' => [
+            'application/x-tar',
+            'application/x-gzip-compressed',
+        ],
+        'z'     => 'application/x-compress',
+        'xhtml' => 'application/xhtml+xml',
+        'xht'   => 'application/xhtml+xml',
+        'zip'   => [
+            'application/x-zip',
+            'application/zip',
+            'application/x-zip-compressed',
+            'application/s-compressed',
+            'multipart/x-zip',
+        ],
+        'rar' => [
+            'application/vnd.rar',
+            'application/x-rar',
+            'application/rar',
+            'application/x-rar-compressed',
+        ],
+        'mid'  => 'audio/midi',
+        'midi' => 'audio/midi',
+        'mpga' => 'audio/mpeg',
+        'mp2'  => 'audio/mpeg',
+        'mp3'  => [
+            'audio/mpeg',
+            'audio/mpg',
+            'audio/mpeg3',
+            'audio/mp3',
+        ],
+        'aif' => [
+            'audio/x-aiff',
+            'audio/aiff',
+        ],
+        'aiff' => [
+            'audio/x-aiff',
+            'audio/aiff',
+        ],
+        'aifc' => 'audio/x-aiff',
+        'ram'  => 'audio/x-pn-realaudio',
+        'rm'   => 'audio/x-pn-realaudio',
+        'rpm'  => 'audio/x-pn-realaudio-plugin',
+        'ra'   => 'audio/x-realaudio',
+        'rv'   => 'video/vnd.rn-realvideo',
+        'wav'  => [
+            'audio/x-wav',
+            'audio/wave',
+            'audio/wav',
+        ],
+        'bmp' => [
+            'image/bmp',
+            'image/x-bmp',
+            'image/x-bitmap',
+            'image/x-xbitmap',
+            'image/x-win-bitmap',
+            'image/x-windows-bmp',
+            'image/ms-bmp',
+            'image/x-ms-bmp',
+            'application/bmp',
+            'application/x-bmp',
+            'application/x-win-bitmap',
+        ],
+        'gif' => 'image/gif',
+        'jpg' => [
+            'image/jpeg',
+            'image/pjpeg',
+        ],
+        'jpeg' => [
+            'image/jpeg',
+            'image/pjpeg',
+        ],
+        'jpe' => [
+            'image/jpeg',
+            'image/pjpeg',
+        ],
+        'jp2' => [
+            'image/jp2',
+            'video/mj2',
+            'image/jpx',
+            'image/jpm',
+        ],
+        'j2k' => [
+            'image/jp2',
+            'video/mj2',
+            'image/jpx',
+            'image/jpm',
+        ],
+        'jpf' => [
+            'image/jp2',
+            'video/mj2',
+            'image/jpx',
+            'image/jpm',
+        ],
+        'jpg2' => [
+            'image/jp2',
+            'video/mj2',
+            'image/jpx',
+            'image/jpm',
+        ],
+        'jpx' => [
+            'image/jp2',
+            'video/mj2',
+            'image/jpx',
+            'image/jpm',
+        ],
+        'jpm' => [
+            'image/jp2',
+            'video/mj2',
+            'image/jpx',
+            'image/jpm',
+        ],
+        'mj2' => [
+            'image/jp2',
+            'video/mj2',
+            'image/jpx',
+            'image/jpm',
+        ],
+        'mjp2' => [
+            'image/jp2',
+            'video/mj2',
+            'image/jpx',
+            'image/jpm',
+        ],
+        'png' => [
+            'image/png',
+            'image/x-png',
+        ],
+        'webp' => 'image/webp',
+        'tif'  => 'image/tiff',
+        'tiff' => 'image/tiff',
+        'css'  => [
+            'text/css',
+            'text/plain',
+        ],
+        'html' => [
+            'text/html',
+            'text/plain',
+        ],
+        'htm' => [
+            'text/html',
+            'text/plain',
+        ],
+        'shtml' => [
+            'text/html',
+            'text/plain',
+        ],
+        'txt'  => 'text/plain',
+        'text' => 'text/plain',
+        'log'  => [
+            'text/plain',
+            'text/x-log',
+        ],
+        'rtx' => 'text/richtext',
+        'rtf' => 'text/rtf',
+        'xml' => [
+            'application/xml',
+            'text/xml',
+            'text/plain',
+        ],
+        'xsl' => [
+            'application/xml',
+            'text/xsl',
+            'text/xml',
+        ],
+        'mpeg' => 'video/mpeg',
+        'mpg'  => 'video/mpeg',
+        'mpe'  => 'video/mpeg',
+        'qt'   => 'video/quicktime',
+        'mov'  => 'video/quicktime',
+        'avi'  => [
+            'video/x-msvideo',
+            'video/msvideo',
+            'video/avi',
+            'application/x-troff-msvideo',
+        ],
+        'movie' => 'video/x-sgi-movie',
+        'doc'   => [
+            'application/msword',
+            'application/vnd.ms-office',
+        ],
+        'docx' => [
+            'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+            'application/zip',
+            'application/msword',
+            'application/x-zip',
+        ],
+        'dot' => [
+            'application/msword',
+            'application/vnd.ms-office',
+        ],
+        'dotx' => [
+            'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+            'application/zip',
+            'application/msword',
+        ],
+        'xlsx' => [
+            'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+            'application/zip',
+            'application/vnd.ms-excel',
+            'application/msword',
+            'application/x-zip',
+        ],
+        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
+        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
+        'word' => [
+            'application/msword',
+            'application/octet-stream',
+        ],
+        'xl'   => 'application/excel',
+        'eml'  => 'message/rfc822',
+        'json' => [
+            'application/json',
+            'text/json',
+        ],
+        'pem' => [
+            'application/x-x509-user-cert',
+            'application/x-pem-file',
+            'application/octet-stream',
+        ],
+        'p10' => [
+            'application/x-pkcs10',
+            'application/pkcs10',
+        ],
+        'p12' => 'application/x-pkcs12',
+        'p7a' => 'application/x-pkcs7-signature',
+        'p7c' => [
+            'application/pkcs7-mime',
+            'application/x-pkcs7-mime',
+        ],
+        'p7m' => [
+            'application/pkcs7-mime',
+            'application/x-pkcs7-mime',
+        ],
+        'p7r' => 'application/x-pkcs7-certreqresp',
+        'p7s' => 'application/pkcs7-signature',
+        'crt' => [
+            'application/x-x509-ca-cert',
+            'application/x-x509-user-cert',
+            'application/pkix-cert',
+        ],
+        'crl' => [
+            'application/pkix-crl',
+            'application/pkcs-crl',
+        ],
+        'der' => 'application/x-x509-ca-cert',
+        'kdb' => 'application/octet-stream',
+        'pgp' => 'application/pgp',
+        'gpg' => 'application/gpg-keys',
+        'sst' => 'application/octet-stream',
+        'csr' => 'application/octet-stream',
+        'rsa' => 'application/x-pkcs7',
+        'cer' => [
+            'application/pkix-cert',
+            'application/x-x509-ca-cert',
+        ],
+        '3g2' => 'video/3gpp2',
+        '3gp' => [
+            'video/3gp',
+            'video/3gpp',
+        ],
+        'mp4' => 'video/mp4',
+        'm4a' => 'audio/x-m4a',
+        'f4v' => [
+            'video/mp4',
+            'video/x-f4v',
+        ],
+        'flv'  => 'video/x-flv',
+        'webm' => 'video/webm',
+        'aac'  => 'audio/x-acc',
+        'm4u'  => 'application/vnd.mpegurl',
+        'm3u'  => 'text/plain',
+        'xspf' => 'application/xspf+xml',
+        'vlc'  => 'application/videolan',
+        'wmv'  => [
+            'video/x-ms-wmv',
+            'video/x-ms-asf',
+        ],
+        'au'   => 'audio/x-au',
+        'ac3'  => 'audio/ac3',
+        'flac' => 'audio/x-flac',
+        'ogg'  => [
+            'audio/ogg',
+            'video/ogg',
+            'application/ogg',
+        ],
+        'kmz' => [
+            'application/vnd.google-earth.kmz',
+            'application/zip',
+            'application/x-zip',
+        ],
+        'kml' => [
+            'application/vnd.google-earth.kml+xml',
+            'application/xml',
+            'text/xml',
+        ],
+        'ics'  => 'text/calendar',
+        'ical' => 'text/calendar',
+        'zsh'  => 'text/x-scriptzsh',
+        '7zip' => [
+            'application/x-compressed',
+            'application/x-zip-compressed',
+            'application/zip',
+            'multipart/x-zip',
+        ],
+        'cdr' => [
+            'application/cdr',
+            'application/coreldraw',
+            'application/x-cdr',
+            'application/x-coreldraw',
+            'image/cdr',
+            'image/x-cdr',
+            'zz-application/zz-winassoc-cdr',
+        ],
+        'wma' => [
+            'audio/x-ms-wma',
+            'video/x-ms-asf',
+        ],
+        'jar' => [
+            'application/java-archive',
+            'application/x-java-application',
+            'application/x-jar',
+            'application/x-compressed',
+        ],
+        'svg' => [
+            'image/svg+xml',
+            'image/svg',
+            'application/xml',
+            'text/xml',
+        ],
+        'vcf' => 'text/x-vcard',
+        'srt' => [
+            'text/srt',
+            'text/plain',
+        ],
+        'vtt' => [
+            'text/vtt',
+            'text/plain',
+        ],
+        'ico' => [
+            'image/x-icon',
+            'image/x-ico',
+            'image/vnd.microsoft.icon',
+        ],
+        'stl' => [
+            'application/sla',
+            'application/vnd.ms-pki.stl',
+            'application/x-navistyle',
+        ],
+    ];
+
+    /**
+     * Attempts to determine the best mime type for the given file extension.
+     *
+     * @return string|null The mime type found, or none if unable to determine.
+     */
+    public static function guessTypeFromExtension(string $extension)
+    {
+        $extension = trim(strtolower($extension), '. ');
+
+        if (! array_key_exists($extension, static::$mimes)) {
+            return null;
+        }
+
+        return is_array(static::$mimes[$extension]) ? static::$mimes[$extension][0] : static::$mimes[$extension];
+    }
+
+    /**
+     * Attempts to determine the best file extension for a given mime type.
+     *
+     * @param string|null $proposedExtension - default extension (in case there is more than one with the same mime type)
+     *
+     * @return string|null The extension determined, or null if unable to match.
+     */
+    public static function guessExtensionFromType(string $type, ?string $proposedExtension = null)
+    {
+        $type = trim(strtolower($type), '. ');
+
+        $proposedExtension = trim(strtolower($proposedExtension ?? ''));
+
+        if (
+            $proposedExtension !== ''
+            && array_key_exists($proposedExtension, static::$mimes)
+            && in_array($type, (array) static::$mimes[$proposedExtension], true)
+        ) {
+            // The detected mime type matches with the proposed extension.
+            return $proposedExtension;
+        }
+
+        // Reverse check the mime type list if no extension was proposed.
+        // This search is order sensitive!
+        foreach (static::$mimes as $ext => $types) {
+            if (in_array($type, (array) $types, true)) {
+                return $ext;
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/410977019_0530_HW/app/Config/Modules.php b/410977019_0530_HW/app/Config/Modules.php
new file mode 100644
index 0000000..5b6a639
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Modules.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Modules\Modules as BaseModules;
+
+class Modules extends BaseModules
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Enable Auto-Discovery?
+     * --------------------------------------------------------------------------
+     *
+     * If true, then auto-discovery will happen across all elements listed in
+     * $aliases below. If false, no auto-discovery will happen at all,
+     * giving a slight performance boost.
+     *
+     * @var bool
+     */
+    public $enabled = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Enable Auto-Discovery Within Composer Packages?
+     * --------------------------------------------------------------------------
+     *
+     * If true, then auto-discovery will happen across all namespaces loaded
+     * by Composer, as well as the namespaces configured locally.
+     *
+     * @var bool
+     */
+    public $discoverInComposer = true;
+
+    /**
+     * The Composer package list for Auto-Discovery
+     * This setting is optional.
+     *
+     * E.g.:
+     *   [
+     *       'only' => [
+     *           // List up all packages to auto-discover
+     *           'codeigniter4/shield',
+     *       ],
+     *   ]
+     *   or
+     *   [
+     *       'exclude' => [
+     *           // List up packages to exclude.
+     *           'pestphp/pest',
+     *       ],
+     *   ]
+     *
+     * @var array
+     */
+    public $composerPackages = [];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Auto-Discovery Rules
+     * --------------------------------------------------------------------------
+     *
+     * Aliases list of all discovery classes that will be active and used during
+     * the current application request.
+     *
+     * If it is not listed, only the base application elements will be used.
+     *
+     * @var string[]
+     */
+    public $aliases = [
+        'events',
+        'filters',
+        'registrars',
+        'routes',
+        'services',
+    ];
+}
diff --git a/410977019_0530_HW/app/Config/Pager.php b/410977019_0530_HW/app/Config/Pager.php
new file mode 100644
index 0000000..e341f4d
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Pager.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class Pager extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Templates
+     * --------------------------------------------------------------------------
+     *
+     * Pagination links are rendered out using views to configure their
+     * appearance. This array contains aliases and the view names to
+     * use when rendering the links.
+     *
+     * Within each view, the Pager object will be available as $pager,
+     * and the desired group as $pagerGroup;
+     *
+     * @var array<string, string>
+     */
+    public array $templates = [
+        'default_full'   => 'CodeIgniter\Pager\Views\default_full',
+        'default_simple' => 'CodeIgniter\Pager\Views\default_simple',
+        'default_head'   => 'CodeIgniter\Pager\Views\default_head',
+    ];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Items Per Page
+     * --------------------------------------------------------------------------
+     *
+     * The default number of results shown in a single page.
+     */
+    public int $perPage = 20;
+}
diff --git a/410977019_0530_HW/app/Config/Paths.php b/410977019_0530_HW/app/Config/Paths.php
new file mode 100644
index 0000000..d0035fb
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Paths.php
@@ -0,0 +1,75 @@
+<?php
+
+namespace Config;
+
+/**
+ * Paths
+ *
+ * Holds the paths that are used by the system to
+ * locate the main directories, app, system, etc.
+ *
+ * Modifying these allows you to restructure your application,
+ * share a system folder between multiple applications, and more.
+ *
+ * All paths are relative to the project's root folder.
+ */
+class Paths
+{
+    /**
+     * ---------------------------------------------------------------
+     * SYSTEM FOLDER NAME
+     * ---------------------------------------------------------------
+     *
+     * This must contain the name of your "system" folder. Include
+     * the path if the folder is not in the same directory as this file.
+     */
+    public string $systemDirectory = __DIR__ . '/../../vendor/codeigniter4/framework/system';
+
+    /**
+     * ---------------------------------------------------------------
+     * APPLICATION FOLDER NAME
+     * ---------------------------------------------------------------
+     *
+     * If you want this front controller to use a different "app"
+     * folder than the default one you can set its name here. The folder
+     * can also be renamed or relocated anywhere on your server. If
+     * you do, use a full server path.
+     *
+     * @see http://codeigniter.com/user_guide/general/managing_apps.html
+     */
+    public string $appDirectory = __DIR__ . '/..';
+
+    /**
+     * ---------------------------------------------------------------
+     * WRITABLE DIRECTORY NAME
+     * ---------------------------------------------------------------
+     *
+     * This variable must contain the name of your "writable" directory.
+     * The writable directory allows you to group all directories that
+     * need write permission to a single place that can be tucked away
+     * for maximum security, keeping it out of the app and/or
+     * system directories.
+     */
+    public string $writableDirectory = __DIR__ . '/../../writable';
+
+    /**
+     * ---------------------------------------------------------------
+     * TESTS DIRECTORY NAME
+     * ---------------------------------------------------------------
+     *
+     * This variable must contain the name of your "tests" directory.
+     */
+    public string $testsDirectory = __DIR__ . '/../../tests';
+
+    /**
+     * ---------------------------------------------------------------
+     * VIEW DIRECTORY NAME
+     * ---------------------------------------------------------------
+     *
+     * This variable must contain the name of the directory that
+     * contains the view files used by your application. By
+     * default this is in `app/Views`. This value
+     * is used when no value is provided to `Services::renderer()`.
+     */
+    public string $viewDirectory = __DIR__ . '/../Views';
+}
diff --git a/410977019_0530_HW/app/Config/Publisher.php b/410977019_0530_HW/app/Config/Publisher.php
new file mode 100644
index 0000000..4747511
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Publisher.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\Publisher as BasePublisher;
+
+/**
+ * Publisher Configuration
+ *
+ * Defines basic security restrictions for the Publisher class
+ * to prevent abuse by injecting malicious files into a project.
+ */
+class Publisher extends BasePublisher
+{
+    /**
+     * A list of allowed destinations with a (pseudo-)regex
+     * of allowed files for each destination.
+     * Attempts to publish to directories not in this list will
+     * result in a PublisherException. Files that do no fit the
+     * pattern will cause copy/merge to fail.
+     *
+     * @var array<string,string>
+     */
+    public $restrictions = [
+        ROOTPATH => '*',
+        FCPATH   => '#\.(s?css|js|map|html?|xml|json|webmanifest|ttf|eot|woff2?|gif|jpe?g|tiff?|png|webp|bmp|ico|svg)$#i',
+    ];
+}
diff --git a/410977019_0530_HW/app/Config/Routes.php b/410977019_0530_HW/app/Config/Routes.php
new file mode 100644
index 0000000..1122716
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Routes.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Config;
+
+// Create a new instance of our RouteCollection class.
+$routes = Services::routes();
+
+/*
+ * --------------------------------------------------------------------
+ * Router Setup
+ * --------------------------------------------------------------------
+ */
+$routes->setDefaultNamespace('App\Controllers');
+$routes->setDefaultController('Home');
+$routes->setDefaultMethod('index');
+$routes->setTranslateURIDashes(false);
+$routes->set404Override();
+// The Auto Routing (Legacy) is very dangerous. It is easy to create vulnerable apps
+// where controller filters or CSRF protection are bypassed.
+// If you don't want to define all routes, please use the Auto Routing (Improved).
+// Set `$autoRoutesImproved` to true in `app/Config/Feature.php` and set the following to true.
+$routes->setAutoRoute(true);
+
+/*
+ * --------------------------------------------------------------------
+ * Route Definitions
+ * --------------------------------------------------------------------
+ */
+
+// We get a performance increase by specifying the default
+// route since we don't have to scan directories.
+$routes->get('/', 'Home::index');
+
+/*
+ * --------------------------------------------------------------------
+ * Additional Routing
+ * --------------------------------------------------------------------
+ *
+ * There will often be times that you need additional routing and you
+ * need it to be able to override any defaults in this file. Environment
+ * based routes is one such time. require() additional route files here
+ * to make that happen.
+ *
+ * You will have access to the $routes object within that file without
+ * needing to reload it.
+ */
+if (is_file(APPPATH . 'Config/' . ENVIRONMENT . '/Routes.php')) {
+    require APPPATH . 'Config/' . ENVIRONMENT . '/Routes.php';
+}
diff --git a/410977019_0530_HW/app/Config/Security.php b/410977019_0530_HW/app/Config/Security.php
new file mode 100644
index 0000000..57be4ee
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Security.php
@@ -0,0 +1,101 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class Security extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Protection Method
+     * --------------------------------------------------------------------------
+     *
+     * Protection Method for Cross Site Request Forgery protection.
+     *
+     * @var string 'cookie' or 'session'
+     */
+    public string $csrfProtection = 'cookie';
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Token Randomization
+     * --------------------------------------------------------------------------
+     *
+     * Randomize the CSRF Token for added security.
+     */
+    public bool $tokenRandomize = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Token Name
+     * --------------------------------------------------------------------------
+     *
+     * Token name for Cross Site Request Forgery protection.
+     */
+    public string $tokenName = 'csrf_test_name';
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Header Name
+     * --------------------------------------------------------------------------
+     *
+     * Header name for Cross Site Request Forgery protection.
+     */
+    public string $headerName = 'X-CSRF-TOKEN';
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Cookie Name
+     * --------------------------------------------------------------------------
+     *
+     * Cookie name for Cross Site Request Forgery protection.
+     */
+    public string $cookieName = 'csrf_cookie_name';
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Expires
+     * --------------------------------------------------------------------------
+     *
+     * Expiration time for Cross Site Request Forgery protection cookie.
+     *
+     * Defaults to two hours (in seconds).
+     */
+    public int $expires = 7200;
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Regenerate
+     * --------------------------------------------------------------------------
+     *
+     * Regenerate CSRF Token on every submission.
+     */
+    public bool $regenerate = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF Redirect
+     * --------------------------------------------------------------------------
+     *
+     * Redirect to previous page with error on failure.
+     */
+    public bool $redirect = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * CSRF SameSite
+     * --------------------------------------------------------------------------
+     *
+     * Setting for CSRF SameSite cookie token.
+     *
+     * Allowed values are: None - Lax - Strict - ''.
+     *
+     * Defaults to `Lax` as recommended in this link:
+     *
+     * @see https://portswigger.net/web-security/csrf/samesite-cookies
+     *
+     * @deprecated `Config\Cookie` $samesite property is used.
+     */
+    public string $samesite = 'Lax';
+}
diff --git a/410977019_0530_HW/app/Config/Services.php b/410977019_0530_HW/app/Config/Services.php
new file mode 100644
index 0000000..df7c8ad
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Services.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseService;
+
+/**
+ * Services Configuration file.
+ *
+ * Services are simply other classes/libraries that the system uses
+ * to do its job. This is used by CodeIgniter to allow the core of the
+ * framework to be swapped out easily without affecting the usage within
+ * the rest of your application.
+ *
+ * This file holds any application-specific services, or service overrides
+ * that you might need. An example has been included with the general
+ * method format you should use for your service methods. For more examples,
+ * see the core Services file at system/Config/Services.php.
+ */
+class Services extends BaseService
+{
+    /*
+     * public static function example($getShared = true)
+     * {
+     *     if ($getShared) {
+     *         return static::getSharedInstance('example');
+     *     }
+     *
+     *     return new \CodeIgniter\Example();
+     * }
+     */
+}
diff --git a/410977019_0530_HW/app/Config/Session.php b/410977019_0530_HW/app/Config/Session.php
new file mode 100644
index 0000000..ea83480
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Session.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Session\Handlers\BaseHandler;
+use CodeIgniter\Session\Handlers\FileHandler;
+
+class Session extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Session Driver
+     * --------------------------------------------------------------------------
+     *
+     * The session storage driver to use:
+     * - `CodeIgniter\Session\Handlers\FileHandler`
+     * - `CodeIgniter\Session\Handlers\DatabaseHandler`
+     * - `CodeIgniter\Session\Handlers\MemcachedHandler`
+     * - `CodeIgniter\Session\Handlers\RedisHandler`
+     *
+     * @phpstan-var class-string<BaseHandler>
+     */
+    public string $driver = FileHandler::class;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Cookie Name
+     * --------------------------------------------------------------------------
+     *
+     * The session cookie name, must contain only [0-9a-z_-] characters
+     */
+    public string $cookieName = 'ci_session';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Expiration
+     * --------------------------------------------------------------------------
+     *
+     * The number of SECONDS you want the session to last.
+     * Setting to 0 (zero) means expire when the browser is closed.
+     */
+    public int $expiration = 7200;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Save Path
+     * --------------------------------------------------------------------------
+     *
+     * The location to save sessions to and is driver dependent.
+     *
+     * For the 'files' driver, it's a path to a writable directory.
+     * WARNING: Only absolute paths are supported!
+     *
+     * For the 'database' driver, it's a table name.
+     * Please read up the manual for the format with other session drivers.
+     *
+     * IMPORTANT: You are REQUIRED to set a valid save path!
+     */
+    public string $savePath = WRITEPATH . 'session';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Match IP
+     * --------------------------------------------------------------------------
+     *
+     * Whether to match the user's IP address when reading the session data.
+     *
+     * WARNING: If you're using the database driver, don't forget to update
+     *          your session table's PRIMARY KEY when changing this setting.
+     */
+    public bool $matchIP = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Time to Update
+     * --------------------------------------------------------------------------
+     *
+     * How many seconds between CI regenerating the session ID.
+     */
+    public int $timeToUpdate = 300;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Regenerate Destroy
+     * --------------------------------------------------------------------------
+     *
+     * Whether to destroy session data associated with the old session ID
+     * when auto-regenerating the session ID. When set to FALSE, the data
+     * will be later deleted by the garbage collector.
+     */
+    public bool $regenerateDestroy = false;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Session Database Group
+     * --------------------------------------------------------------------------
+     *
+     * DB Group for the database session.
+     */
+    public ?string $DBGroup = null;
+}
diff --git a/410977019_0530_HW/app/Config/Toolbar.php b/410977019_0530_HW/app/Config/Toolbar.php
new file mode 100644
index 0000000..ecab7a2
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Toolbar.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Debug\Toolbar\Collectors\Database;
+use CodeIgniter\Debug\Toolbar\Collectors\Events;
+use CodeIgniter\Debug\Toolbar\Collectors\Files;
+use CodeIgniter\Debug\Toolbar\Collectors\Logs;
+use CodeIgniter\Debug\Toolbar\Collectors\Routes;
+use CodeIgniter\Debug\Toolbar\Collectors\Timers;
+use CodeIgniter\Debug\Toolbar\Collectors\Views;
+
+/**
+ * --------------------------------------------------------------------------
+ * Debug Toolbar
+ * --------------------------------------------------------------------------
+ *
+ * The Debug Toolbar provides a way to see information about the performance
+ * and state of your application during that page display. By default it will
+ * NOT be displayed under production environments, and will only display if
+ * `CI_DEBUG` is true, since if it's not, there's not much to display anyway.
+ */
+class Toolbar extends BaseConfig
+{
+    /**
+     * --------------------------------------------------------------------------
+     * Toolbar Collectors
+     * --------------------------------------------------------------------------
+     *
+     * List of toolbar collectors that will be called when Debug Toolbar
+     * fires up and collects data from.
+     *
+     * @var string[]
+     */
+    public array $collectors = [
+        Timers::class,
+        Database::class,
+        Logs::class,
+        Views::class,
+        // \CodeIgniter\Debug\Toolbar\Collectors\Cache::class,
+        Files::class,
+        Routes::class,
+        Events::class,
+    ];
+
+    /**
+     * --------------------------------------------------------------------------
+     * Collect Var Data
+     * --------------------------------------------------------------------------
+     *
+     * If set to false var data from the views will not be colleted. Useful to
+     * avoid high memory usage when there are lots of data passed to the view.
+     */
+    public bool $collectVarData = true;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Max History
+     * --------------------------------------------------------------------------
+     *
+     * `$maxHistory` sets a limit on the number of past requests that are stored,
+     * helping to conserve file space used to store them. You can set it to
+     * 0 (zero) to not have any history stored, or -1 for unlimited history.
+     */
+    public int $maxHistory = 20;
+
+    /**
+     * --------------------------------------------------------------------------
+     * Toolbar Views Path
+     * --------------------------------------------------------------------------
+     *
+     * The full path to the the views that are used by the toolbar.
+     * This MUST have a trailing slash.
+     */
+    public string $viewsPath = SYSTEMPATH . 'Debug/Toolbar/Views/';
+
+    /**
+     * --------------------------------------------------------------------------
+     * Max Queries
+     * --------------------------------------------------------------------------
+     *
+     * If the Database Collector is enabled, it will log every query that the
+     * the system generates so they can be displayed on the toolbar's timeline
+     * and in the query log. This can lead to memory issues in some instances
+     * with hundreds of queries.
+     *
+     * `$maxQueries` defines the maximum amount of queries that will be stored.
+     */
+    public int $maxQueries = 100;
+}
diff --git a/410977019_0530_HW/app/Config/UserAgents.php b/410977019_0530_HW/app/Config/UserAgents.php
new file mode 100644
index 0000000..fda7374
--- /dev/null
+++ b/410977019_0530_HW/app/Config/UserAgents.php
@@ -0,0 +1,252 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+/**
+ * -------------------------------------------------------------------
+ * User Agents
+ * -------------------------------------------------------------------
+ *
+ * This file contains four arrays of user agent data. It is used by the
+ * User Agent Class to help identify browser, platform, robot, and
+ * mobile device data. The array keys are used to identify the device
+ * and the array values are used to set the actual name of the item.
+ */
+class UserAgents extends BaseConfig
+{
+    /**
+     * -------------------------------------------------------------------
+     * OS Platforms
+     * -------------------------------------------------------------------
+     *
+     * @var array<string, string>
+     */
+    public array $platforms = [
+        'windows nt 10.0' => 'Windows 10',
+        'windows nt 6.3'  => 'Windows 8.1',
+        'windows nt 6.2'  => 'Windows 8',
+        'windows nt 6.1'  => 'Windows 7',
+        'windows nt 6.0'  => 'Windows Vista',
+        'windows nt 5.2'  => 'Windows 2003',
+        'windows nt 5.1'  => 'Windows XP',
+        'windows nt 5.0'  => 'Windows 2000',
+        'windows nt 4.0'  => 'Windows NT 4.0',
+        'winnt4.0'        => 'Windows NT 4.0',
+        'winnt 4.0'       => 'Windows NT',
+        'winnt'           => 'Windows NT',
+        'windows 98'      => 'Windows 98',
+        'win98'           => 'Windows 98',
+        'windows 95'      => 'Windows 95',
+        'win95'           => 'Windows 95',
+        'windows phone'   => 'Windows Phone',
+        'windows'         => 'Unknown Windows OS',
+        'android'         => 'Android',
+        'blackberry'      => 'BlackBerry',
+        'iphone'          => 'iOS',
+        'ipad'            => 'iOS',
+        'ipod'            => 'iOS',
+        'os x'            => 'Mac OS X',
+        'ppc mac'         => 'Power PC Mac',
+        'freebsd'         => 'FreeBSD',
+        'ppc'             => 'Macintosh',
+        'linux'           => 'Linux',
+        'debian'          => 'Debian',
+        'sunos'           => 'Sun Solaris',
+        'beos'            => 'BeOS',
+        'apachebench'     => 'ApacheBench',
+        'aix'             => 'AIX',
+        'irix'            => 'Irix',
+        'osf'             => 'DEC OSF',
+        'hp-ux'           => 'HP-UX',
+        'netbsd'          => 'NetBSD',
+        'bsdi'            => 'BSDi',
+        'openbsd'         => 'OpenBSD',
+        'gnu'             => 'GNU/Linux',
+        'unix'            => 'Unknown Unix OS',
+        'symbian'         => 'Symbian OS',
+    ];
+
+    /**
+     * -------------------------------------------------------------------
+     * Browsers
+     * -------------------------------------------------------------------
+     *
+     * The order of this array should NOT be changed. Many browsers return
+     * multiple browser types so we want to identify the subtype first.
+     *
+     * @var array<string, string>
+     */
+    public array $browsers = [
+        'OPR'    => 'Opera',
+        'Flock'  => 'Flock',
+        'Edge'   => 'Spartan',
+        'Edg'    => 'Edge',
+        'Chrome' => 'Chrome',
+        // Opera 10+ always reports Opera/9.80 and appends Version/<real version> to the user agent string
+        'Opera.*?Version'   => 'Opera',
+        'Opera'             => 'Opera',
+        'MSIE'              => 'Internet Explorer',
+        'Internet Explorer' => 'Internet Explorer',
+        'Trident.* rv'      => 'Internet Explorer',
+        'Shiira'            => 'Shiira',
+        'Firefox'           => 'Firefox',
+        'Chimera'           => 'Chimera',
+        'Phoenix'           => 'Phoenix',
+        'Firebird'          => 'Firebird',
+        'Camino'            => 'Camino',
+        'Netscape'          => 'Netscape',
+        'OmniWeb'           => 'OmniWeb',
+        'Safari'            => 'Safari',
+        'Mozilla'           => 'Mozilla',
+        'Konqueror'         => 'Konqueror',
+        'icab'              => 'iCab',
+        'Lynx'              => 'Lynx',
+        'Links'             => 'Links',
+        'hotjava'           => 'HotJava',
+        'amaya'             => 'Amaya',
+        'IBrowse'           => 'IBrowse',
+        'Maxthon'           => 'Maxthon',
+        'Ubuntu'            => 'Ubuntu Web Browser',
+        'Vivaldi'           => 'Vivaldi',
+    ];
+
+    /**
+     * -------------------------------------------------------------------
+     * Mobiles
+     * -------------------------------------------------------------------
+     *
+     * @var array<string, string>
+     */
+    public array $mobiles = [
+        // legacy array, old values commented out
+        'mobileexplorer' => 'Mobile Explorer',
+        // 'openwave'             => 'Open Wave',
+        // 'opera mini'           => 'Opera Mini',
+        // 'operamini'            => 'Opera Mini',
+        // 'elaine'               => 'Palm',
+        'palmsource' => 'Palm',
+        // 'digital paths'        => 'Palm',
+        // 'avantgo'              => 'Avantgo',
+        // 'xiino'                => 'Xiino',
+        'palmscape' => 'Palmscape',
+        // 'nokia'                => 'Nokia',
+        // 'ericsson'             => 'Ericsson',
+        // 'blackberry'           => 'BlackBerry',
+        // 'motorola'             => 'Motorola'
+
+        // Phones and Manufacturers
+        'motorola'             => 'Motorola',
+        'nokia'                => 'Nokia',
+        'palm'                 => 'Palm',
+        'iphone'               => 'Apple iPhone',
+        'ipad'                 => 'iPad',
+        'ipod'                 => 'Apple iPod Touch',
+        'sony'                 => 'Sony Ericsson',
+        'ericsson'             => 'Sony Ericsson',
+        'blackberry'           => 'BlackBerry',
+        'cocoon'               => 'O2 Cocoon',
+        'blazer'               => 'Treo',
+        'lg'                   => 'LG',
+        'amoi'                 => 'Amoi',
+        'xda'                  => 'XDA',
+        'mda'                  => 'MDA',
+        'vario'                => 'Vario',
+        'htc'                  => 'HTC',
+        'samsung'              => 'Samsung',
+        'sharp'                => 'Sharp',
+        'sie-'                 => 'Siemens',
+        'alcatel'              => 'Alcatel',
+        'benq'                 => 'BenQ',
+        'ipaq'                 => 'HP iPaq',
+        'mot-'                 => 'Motorola',
+        'playstation portable' => 'PlayStation Portable',
+        'playstation 3'        => 'PlayStation 3',
+        'playstation vita'     => 'PlayStation Vita',
+        'hiptop'               => 'Danger Hiptop',
+        'nec-'                 => 'NEC',
+        'panasonic'            => 'Panasonic',
+        'philips'              => 'Philips',
+        'sagem'                => 'Sagem',
+        'sanyo'                => 'Sanyo',
+        'spv'                  => 'SPV',
+        'zte'                  => 'ZTE',
+        'sendo'                => 'Sendo',
+        'nintendo dsi'         => 'Nintendo DSi',
+        'nintendo ds'          => 'Nintendo DS',
+        'nintendo 3ds'         => 'Nintendo 3DS',
+        'wii'                  => 'Nintendo Wii',
+        'open web'             => 'Open Web',
+        'openweb'              => 'OpenWeb',
+
+        // Operating Systems
+        'android'    => 'Android',
+        'symbian'    => 'Symbian',
+        'SymbianOS'  => 'SymbianOS',
+        'elaine'     => 'Palm',
+        'series60'   => 'Symbian S60',
+        'windows ce' => 'Windows CE',
+
+        // Browsers
+        'obigo'         => 'Obigo',
+        'netfront'      => 'Netfront Browser',
+        'openwave'      => 'Openwave Browser',
+        'mobilexplorer' => 'Mobile Explorer',
+        'operamini'     => 'Opera Mini',
+        'opera mini'    => 'Opera Mini',
+        'opera mobi'    => 'Opera Mobile',
+        'fennec'        => 'Firefox Mobile',
+
+        // Other
+        'digital paths' => 'Digital Paths',
+        'avantgo'       => 'AvantGo',
+        'xiino'         => 'Xiino',
+        'novarra'       => 'Novarra Transcoder',
+        'vodafone'      => 'Vodafone',
+        'docomo'        => 'NTT DoCoMo',
+        'o2'            => 'O2',
+
+        // Fallback
+        'mobile'     => 'Generic Mobile',
+        'wireless'   => 'Generic Mobile',
+        'j2me'       => 'Generic Mobile',
+        'midp'       => 'Generic Mobile',
+        'cldc'       => 'Generic Mobile',
+        'up.link'    => 'Generic Mobile',
+        'up.browser' => 'Generic Mobile',
+        'smartphone' => 'Generic Mobile',
+        'cellphone'  => 'Generic Mobile',
+    ];
+
+    /**
+     * -------------------------------------------------------------------
+     * Robots
+     * -------------------------------------------------------------------
+     *
+     * There are hundred of bots but these are the most common.
+     *
+     * @var array<string, string>
+     */
+    public array $robots = [
+        'googlebot'            => 'Googlebot',
+        'msnbot'               => 'MSNBot',
+        'baiduspider'          => 'Baiduspider',
+        'bingbot'              => 'Bing',
+        'slurp'                => 'Inktomi Slurp',
+        'yahoo'                => 'Yahoo',
+        'ask jeeves'           => 'Ask Jeeves',
+        'fastcrawler'          => 'FastCrawler',
+        'infoseek'             => 'InfoSeek Robot 1.0',
+        'lycos'                => 'Lycos',
+        'yandex'               => 'YandexBot',
+        'mediapartners-google' => 'MediaPartners Google',
+        'CRAZYWEBCRAWLER'      => 'Crazy Webcrawler',
+        'adsbot-google'        => 'AdsBot Google',
+        'feedfetcher-google'   => 'Feedfetcher Google',
+        'curious george'       => 'Curious George',
+        'ia_archiver'          => 'Alexa Crawler',
+        'MJ12bot'              => 'Majestic-12',
+        'Uptimebot'            => 'Uptimebot',
+    ];
+}
diff --git a/410977019_0530_HW/app/Config/Validation.php b/410977019_0530_HW/app/Config/Validation.php
new file mode 100644
index 0000000..017dac5
--- /dev/null
+++ b/410977019_0530_HW/app/Config/Validation.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Validation\StrictRules\CreditCardRules;
+use CodeIgniter\Validation\StrictRules\FileRules;
+use CodeIgniter\Validation\StrictRules\FormatRules;
+use CodeIgniter\Validation\StrictRules\Rules;
+
+class Validation extends BaseConfig
+{
+    // --------------------------------------------------------------------
+    // Setup
+    // --------------------------------------------------------------------
+
+    /**
+     * Stores the classes that contain the
+     * rules that are available.
+     *
+     * @var string[]
+     */
+    public array $ruleSets = [
+        Rules::class,
+        FormatRules::class,
+        FileRules::class,
+        CreditCardRules::class,
+    ];
+
+    /**
+     * Specifies the views that are used to display the
+     * errors.
+     *
+     * @var array<string, string>
+     */
+    public array $templates = [
+        'list'   => 'CodeIgniter\Validation\Views\list',
+        'single' => 'CodeIgniter\Validation\Views\single',
+    ];
+
+    // --------------------------------------------------------------------
+    // Rules
+    // --------------------------------------------------------------------
+}
diff --git a/410977019_0530_HW/app/Config/View.php b/410977019_0530_HW/app/Config/View.php
new file mode 100644
index 0000000..78cd547
--- /dev/null
+++ b/410977019_0530_HW/app/Config/View.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\View as BaseView;
+use CodeIgniter\View\ViewDecoratorInterface;
+
+class View extends BaseView
+{
+    /**
+     * When false, the view method will clear the data between each
+     * call. This keeps your data safe and ensures there is no accidental
+     * leaking between calls, so you would need to explicitly pass the data
+     * to each view. You might prefer to have the data stick around between
+     * calls so that it is available to all views. If that is the case,
+     * set $saveData to true.
+     *
+     * @var bool
+     */
+    public $saveData = true;
+
+    /**
+     * Parser Filters map a filter name with any PHP callable. When the
+     * Parser prepares a variable for display, it will chain it
+     * through the filters in the order defined, inserting any parameters.
+     * To prevent potential abuse, all filters MUST be defined here
+     * in order for them to be available for use within the Parser.
+     *
+     * Examples:
+     *  { title|esc(js) }
+     *  { created_on|date(Y-m-d)|esc(attr) }
+     *
+     * @var array
+     */
+    public $filters = [];
+
+    /**
+     * Parser Plugins provide a way to extend the functionality provided
+     * by the core Parser by creating aliases that will be replaced with
+     * any callable. Can be single or tag pair.
+     *
+     * @var array
+     */
+    public $plugins = [];
+
+    /**
+     * View Decorators are class methods that will be run in sequence to
+     * have a chance to alter the generated output just prior to caching
+     * the results.
+     *
+     * All classes must implement CodeIgniter\View\ViewDecoratorInterface
+     *
+     * @var class-string<ViewDecoratorInterface>[]
+     */
+    public array $decorators = [];
+}
diff --git a/410977019_0530_HW/app/Controllers/BaseController.php b/410977019_0530_HW/app/Controllers/BaseController.php
new file mode 100644
index 0000000..ecea162
--- /dev/null
+++ b/410977019_0530_HW/app/Controllers/BaseController.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Controllers;
+
+use CodeIgniter\Controller;
+use CodeIgniter\HTTP\CLIRequest;
+use CodeIgniter\HTTP\IncomingRequest;
+use CodeIgniter\HTTP\RequestInterface;
+use CodeIgniter\HTTP\ResponseInterface;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Class BaseController
+ *
+ * BaseController provides a convenient place for loading components
+ * and performing functions that are needed by all your controllers.
+ * Extend this class in any new controllers:
+ *     class Home extends BaseController
+ *
+ * For security be sure to declare any new methods as protected or private.
+ */
+abstract class BaseController extends Controller
+{
+    /**
+     * Instance of the main Request object.
+     *
+     * @var CLIRequest|IncomingRequest
+     */
+    protected $request;
+
+    /**
+     * An array of helpers to be loaded automatically upon
+     * class instantiation. These helpers will be available
+     * to all other controllers that extend BaseController.
+     *
+     * @var array
+     */
+    protected $helpers = [];
+
+    /**
+     * Be sure to declare properties for any property fetch you initialized.
+     * The creation of dynamic property is deprecated in PHP 8.2.
+     */
+    // protected $session;
+
+    /**
+     * Constructor.
+     */
+    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
+    {
+        // Do Not Edit This Line
+        parent::initController($request, $response, $logger);
+
+        // Preload any models, libraries, etc, here.
+
+        // E.g.: $this->session = \Config\Services::session();
+    }
+}
diff --git a/410977019_0530_HW/app/Controllers/Home.php b/410977019_0530_HW/app/Controllers/Home.php
new file mode 100644
index 0000000..c9d0c36
--- /dev/null
+++ b/410977019_0530_HW/app/Controllers/Home.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Controllers;
+
+class Home extends BaseController
+{
+    // public function index()
+    // {
+    //     return view('welcome_message');
+    // }
+    public function tableLab()
+    {
+        
+        $data = [
+            'title' => 'Table LAB',
+            'heading' => 'SDLC',
+             'todo_list' => [
+           'Week_1' => [
+          'Requirement Gathering and Analysis',
+         'You should analysis relevant requirement and create SRS (Software Requirement Specification) file.',
+           ],
+           'Week_2' => [
+         'Design',
+            'Following the SRS to design the software architecture (OOD) and technology selection.',
+           ],
+           'Week_3' => [
+            'Implementation or Coding',
+           'Following the SRS and above design to implement your project (OOP) .',
+           ],
+           'Week_4' => [
+            'Testing',
+            'Following the SRS and above design to test your project and fix the bug to achieve the client requirement.',
+           ],
+           'Week_5' => [
+            'Deployment',
+            'Deployment your project under the UAT (User Acceptance Testing) environment.',
+           ],
+           'Week_6' => [
+            'Maintenance',
+            'Following the the SRS to maintain your project.',
+           ],
+             ]
+             ];
+            
+
+     
+        return view('practice', $data);
+    }
+
+}
diff --git a/410977019_0530_HW/app/Database/Migrations/.gitkeep b/410977019_0530_HW/app/Database/Migrations/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/410977019_0530_HW/app/Database/Seeds/.gitkeep b/410977019_0530_HW/app/Database/Seeds/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/410977019_0530_HW/app/Filters/.gitkeep b/410977019_0530_HW/app/Filters/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/410977019_0530_HW/app/Helpers/.gitkeep b/410977019_0530_HW/app/Helpers/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/410977019_0530_HW/app/Language/.gitkeep b/410977019_0530_HW/app/Language/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/410977019_0530_HW/app/Language/en/Validation.php b/410977019_0530_HW/app/Language/en/Validation.php
new file mode 100644
index 0000000..54d1e7a
--- /dev/null
+++ b/410977019_0530_HW/app/Language/en/Validation.php
@@ -0,0 +1,4 @@
+<?php
+
+// override core en language system validation or define your own en language validation message
+return [];
diff --git a/410977019_0530_HW/app/Libraries/.gitkeep b/410977019_0530_HW/app/Libraries/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/410977019_0530_HW/app/Models/.gitkeep b/410977019_0530_HW/app/Models/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/410977019_0530_HW/app/ThirdParty/.gitkeep b/410977019_0530_HW/app/ThirdParty/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/410977019_0530_HW/app/Views/errors/cli/error_404.php b/410977019_0530_HW/app/Views/errors/cli/error_404.php
new file mode 100644
index 0000000..456ea3e
--- /dev/null
+++ b/410977019_0530_HW/app/Views/errors/cli/error_404.php
@@ -0,0 +1,7 @@
+<?php
+
+use CodeIgniter\CLI\CLI;
+
+CLI::error('ERROR: ' . $code);
+CLI::write($message);
+CLI::newLine();
diff --git a/410977019_0530_HW/app/Views/errors/cli/error_exception.php b/410977019_0530_HW/app/Views/errors/cli/error_exception.php
new file mode 100644
index 0000000..f24e98f
--- /dev/null
+++ b/410977019_0530_HW/app/Views/errors/cli/error_exception.php
@@ -0,0 +1,65 @@
+<?php
+
+use CodeIgniter\CLI\CLI;
+
+// The main Exception
+CLI::newLine();
+CLI::write('[' . get_class($exception) . ']', 'light_gray', 'red');
+CLI::newLine();
+CLI::write($message);
+CLI::newLine();
+CLI::write('at ' . CLI::color(clean_path($exception->getFile()) . ':' . $exception->getLine(), 'green'));
+CLI::newLine();
+
+// The backtrace
+if (defined('SHOW_DEBUG_BACKTRACE') && SHOW_DEBUG_BACKTRACE) {
+    $backtraces = $exception->getTrace();
+
+    if ($backtraces) {
+        CLI::write('Backtrace:', 'green');
+    }
+
+    foreach ($backtraces as $i => $error) {
+        $padFile  = '    '; // 4 spaces
+        $padClass = '       '; // 7 spaces
+        $c        = str_pad($i + 1, 3, ' ', STR_PAD_LEFT);
+
+        if (isset($error['file'])) {
+            $filepath = clean_path($error['file']) . ':' . $error['line'];
+
+            CLI::write($c . $padFile . CLI::color($filepath, 'yellow'));
+        } else {
+            CLI::write($c . $padFile . CLI::color('[internal function]', 'yellow'));
+        }
+
+        $function = '';
+
+        if (isset($error['class'])) {
+            $type = ($error['type'] === '->') ? '()' . $error['type'] : $error['type'];
+            $function .= $padClass . $error['class'] . $type . $error['function'];
+        } elseif (! isset($error['class']) && isset($error['function'])) {
+            $function .= $padClass . $error['function'];
+        }
+
+        $args = implode(', ', array_map(static function ($value) {
+            switch (true) {
+                case is_object($value):
+                    return 'Object(' . get_class($value) . ')';
+
+                case is_array($value):
+                    return count($value) ? '[...]' : '[]';
+
+                case $value === null:
+                    return 'null'; // return the lowercased version
+
+                default:
+                    return var_export($value, true);
+            }
+        }, array_values($error['args'] ?? [])));
+
+        $function .= '(' . $args . ')';
+
+        CLI::write($function);
+        CLI::newLine();
+    }
+}
diff --git a/410977019_0530_HW/app/Views/errors/cli/production.php b/410977019_0530_HW/app/Views/errors/cli/production.php
new file mode 100644
index 0000000..7db744e
--- /dev/null
+++ b/410977019_0530_HW/app/Views/errors/cli/production.php
@@ -0,0 +1,5 @@
+<?php
+
+// On the CLI, we still want errors in productions
+// so just use the exception template.
+include __DIR__ . '/error_exception.php';
diff --git a/410977019_0530_HW/app/Views/errors/html/debug.css b/410977019_0530_HW/app/Views/errors/html/debug.css
new file mode 100644
index 0000000..98f54db
--- /dev/null
+++ b/410977019_0530_HW/app/Views/errors/html/debug.css
@@ -0,0 +1,197 @@
+:root {
+    --main-bg-color: #fff;
+    --main-text-color: #555;
+    --dark-text-color: #222;
+    --light-text-color: #c7c7c7;
+    --brand-primary-color: #E06E3F;
+    --light-bg-color: #ededee;
+    --dark-bg-color: #404040;
+}
+
+body {
+    height: 100%;
+    background: var(--main-bg-color);
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
+    color: var(--main-text-color);
+    font-weight: 300;
+    margin: 0;
+    padding: 0;
+}
+h1 {
+    font-weight: lighter;
+    letter-spacing: 0.8;
+    font-size: 3rem;
+    color: var(--dark-text-color);
+    margin: 0;
+}
+h1.headline {
+    margin-top: 20%;
+    font-size: 5rem;
+}
+.text-center {
+    text-align: center;
+}
+p.lead {
+    font-size: 1.6rem;
+}
+.container {
+    max-width: 75rem;
+    margin: 0 auto;
+    padding: 1rem;
+}
+.header {
+    background: var(--light-bg-color);
+    color: var(--dark-text-color);
+}
+.header .container {
+    padding: 1rem 1.75rem 1.75rem 1.75rem;
+}
+.header h1 {
+    font-size: 2.5rem;
+    font-weight: 500;
+}
+.header p {
+    font-size: 1.2rem;
+    margin: 0;
+    line-height: 2.5;
+}
+.header a {
+    color: var(--brand-primary-color);
+    margin-left: 2rem;
+    display: none;
+    text-decoration: none;
+}
+.header:hover a {
+    display: inline;
+}
+
+.footer {
+    background: var(--dark-bg-color);
+    color: var(--light-text-color);
+}
+.footer .container {
+    border-top: 1px solid #e7e7e7;
+    margin-top: 1rem;
+    text-align: center;
+}
+
+.source {
+    background: #343434;
+    color: var(--light-text-color);
+    padding: 0.5em 1em;
+    border-radius: 5px;
+    font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
+    font-size: 0.85rem;
+    margin: 0;
+    overflow-x: scroll;
+}
+.source span.line {
+    line-height: 1.4;
+}
+.source span.line .number {
+    color: #666;
+}
+.source .line .highlight {
+    display: block;
+    background: var(--dark-text-color);
+    color: var(--light-text-color);
+}
+.source span.highlight .number {
+    color: #fff;
+}
+
+.tabs {
+    list-style: none;
+    list-style-position: inside;
+    margin: 0;
+    padding: 0;
+    margin-bottom: -1px;
+}
+.tabs li {
+    display: inline;
+}
+.tabs a:link,
+.tabs a:visited {
+    padding: 0rem 1rem;
+    line-height: 2.7;
+    text-decoration: none;
+    color: var(--dark-text-color);
+    background: var(--light-bg-color);
+    border: 1px solid rgba(0,0,0,0.15);
+    border-bottom: 0;
+    border-top-left-radius: 5px;
+    border-top-right-radius: 5px;
+    display: inline-block;
+}
+.tabs a:hover {
+    background: var(--light-bg-color);
+    border-color: rgba(0,0,0,0.15);
+}
+.tabs a.active {
+    background: var(--main-bg-color);
+    color: var(--main-text-color);
+}
+.tab-content {
+    background: var(--main-bg-color);
+    border: 1px solid rgba(0,0,0,0.15);
+}
+.content {
+    padding: 1rem;
+}
+.hide {
+    display: none;
+}
+
+.alert {
+    margin-top: 2rem;
+    display: block;
+    text-align: center;
+    line-height: 3.0;
+    background: #d9edf7;
+    border: 1px solid #bcdff1;
+    border-radius: 5px;
+    color: #31708f;
+}
+ul, ol {
+    line-height: 1.8;
+}
+
+table {
+    width: 100%;
+    overflow: hidden;
+}
+th {
+    text-align: left;
+    border-bottom: 1px solid #e7e7e7;
+    padding-bottom: 0.5rem;
+}
+td {
+    padding: 0.2rem 0.5rem 0.2rem 0;
+}
+tr:hover td {
+    background: #f1f1f1;
+}
+td pre {
+    white-space: pre-wrap;
+}
+
+.trace a {
+    color: inherit;
+}
+.trace table {
+    width: auto;
+}
+.trace tr td:first-child {
+    min-width: 5em;
+    font-weight: bold;
+}
+.trace td {
+    background: var(--light-bg-color);
+    padding: 0 1rem;
+}
+.trace td pre {
+    margin: 0;
+}
+.args {
+    display: none;
+}
diff --git a/410977019_0530_HW/app/Views/errors/html/debug.js b/410977019_0530_HW/app/Views/errors/html/debug.js
new file mode 100644
index 0000000..99199ca
--- /dev/null
+++ b/410977019_0530_HW/app/Views/errors/html/debug.js
@@ -0,0 +1,116 @@
+var tabLinks    = new Array();
+var contentDivs = new Array();
+
+function init()
+{
+    // Grab the tab links and content divs from the page
+    var tabListItems = document.getElementById('tabs').childNodes;
+    console.log(tabListItems);
+    for (var i = 0; i < tabListItems.length; i ++)
+    {
+        if (tabListItems[i].nodeName == "LI")
+        {
+            var tabLink     = getFirstChildWithTagName(tabListItems[i], 'A');
+            var id          = getHash(tabLink.getAttribute('href'));
+            tabLinks[id]    = tabLink;
+            contentDivs[id] = document.getElementById(id);
+        }
+    }
+
+    // Assign onclick events to the tab links, and
+    // highlight the first tab
+    var i = 0;
+
+    for (var id in tabLinks)
+    {
+        tabLinks[id].onclick = showTab;
+        tabLinks[id].onfocus = function () {
+            this.blur()
+        };
+        if (i == 0)
+        {
+            tabLinks[id].className = 'active';
+        }
+        i ++;
+    }
+
+    // Hide all content divs except the first
+    var i = 0;
+
+    for (var id in contentDivs)
+    {
+        if (i != 0)
+        {
+            console.log(contentDivs[id]);
+            contentDivs[id].className = 'content hide';
+        }
+        i ++;
+    }
+}
+
+function showTab()
+{
+    var selectedId = getHash(this.getAttribute('href'));
+
+    // Highlight the selected tab, and dim all others.
+    // Also show the selected content div, and hide all others.
+    for (var id in contentDivs)
+    {
+        if (id == selectedId)
+        {
+            tabLinks[id].className    = 'active';
+            contentDivs[id].className = 'content';
+        }
+        else
+        {
+            tabLinks[id].className    = '';
+            contentDivs[id].className = 'content hide';
+        }
+    }
+
+    // Stop the browser following the link
+    return false;
+}
+
+function getFirstChildWithTagName(element, tagName)
+{
+    for (var i = 0; i < element.childNodes.length; i ++)
+    {
+        if (element.childNodes[i].nodeName == tagName)
+        {
+            return element.childNodes[i];
+        }
+    }
+}
+
+function getHash(url)
+{
+    var hashPos = url.lastIndexOf('#');
+    return url.substring(hashPos + 1);
+}
+
+function toggle(elem)
+{
+    elem = document.getElementById(elem);
+
+    if (elem.style && elem.style['display'])
+    {
+        // Only works with the "style" attr
+        var disp = elem.style['display'];
+    }
+    else if (elem.currentStyle)
+    {
+        // For MSIE, naturally
+        var disp = elem.currentStyle['display'];
+    }
+    else if (window.getComputedStyle)
+    {
+        // For most other browsers
+        var disp = document.defaultView.getComputedStyle(elem, null).getPropertyValue('display');
+    }
+
+    // Toggle the state of the "display" style
+    elem.style.display = disp == 'block' ? 'none' : 'block';
+
+    return false;
+}
diff --git a/410977019_0530_HW/app/Views/errors/html/error_404.php b/410977019_0530_HW/app/Views/errors/html/error_404.php
new file mode 100644
index 0000000..c301013
--- /dev/null
+++ b/410977019_0530_HW/app/Views/errors/html/error_404.php
@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <title><?= lang('Errors.pageNotFound') ?></title>
+
+    <style>
+        div.logo {
+            height: 200px;
+            width: 155px;
+            display: inline-block;
+            opacity: 0.08;
+            position: absolute;
+            top: 2rem;
+            left: 50%;
+            margin-left: -73px;
+        }
+        body {
+            height: 100%;
+            background: #fafafa;
+            font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+            color: #777;
+            font-weight: 300;
+        }
+        h1 {
+            font-weight: lighter;
+            letter-spacing: normal;
+            font-size: 3rem;
+            margin-top: 0;
+            margin-bottom: 0;
+            color: #222;
+        }
+        .wrap {
+            max-width: 1024px;
+            margin: 5rem auto;
+            padding: 2rem;
+            background: #fff;
+            text-align: center;
+            border: 1px solid #efefef;
+            border-radius: 0.5rem;
+            position: relative;
+        }
+        pre {
+            white-space: normal;
+            margin-top: 1.5rem;
+        }
+        code {
+            background: #fafafa;
+            border: 1px solid #efefef;
+            padding: 0.5rem 1rem;
+            border-radius: 5px;
+            display: block;
+        }
+        p {
+            margin-top: 1.5rem;
+        }
+        .footer {
+            margin-top: 2rem;
+            border-top: 1px solid #efefef;
+            padding: 1em 2em 0 2em;
+            font-size: 85%;
+            color: #999;
+        }
+        a:active,
+        a:link,
+        a:visited {
+            color: #dd4814;
+        }
+    </style>
+</head>
+<body>
+    <div class="wrap">
+        <h1>404</h1>
+
+        <p>
+            <?php if (ENVIRONMENT !== 'production') : ?>
+                <?= nl2br(esc($message)) ?>
+            <?php else : ?>
+                <?= lang('Errors.sorryCannotFind') ?>
+            <?php endif ?>
+        </p>
+    </div>
+</body>
+</html>
diff --git a/410977019_0530_HW/app/Views/errors/html/error_exception.php b/410977019_0530_HW/app/Views/errors/html/error_exception.php
new file mode 100644
index 0000000..f311d91
--- /dev/null
+++ b/410977019_0530_HW/app/Views/errors/html/error_exception.php
@@ -0,0 +1,392 @@
+<?php
+use Config\Services;
+use CodeIgniter\CodeIgniter;
+
+$errorId = uniqid('error', true);
+?>
+<!doctype html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <meta name="robots" content="noindex">
+
+    <title><?= esc($title) ?></title>
+    <style>
+        <?= preg_replace('#[\r\n\t ]+#', ' ', file_get_contents(__DIR__ . DIRECTORY_SEPARATOR . 'debug.css')) ?>
+    </style>
+
+    <script>
+        <?= file_get_contents(__DIR__ . DIRECTORY_SEPARATOR . 'debug.js') ?>
+    </script>
+</head>
+<body onload="init()">
+
+    <!-- Header -->
+    <div class="header">
+        <div class="container">
+            <h1><?= esc($title), esc($exception->getCode() ? ' #' . $exception->getCode() : '') ?></h1>
+            <p>
+                <?= nl2br(esc($exception->getMessage())) ?>
+                <a href="https://www.duckduckgo.com/?q=<?= urlencode($title . ' ' . preg_replace('#\'.*\'|".*"#Us', '', $exception->getMessage())) ?>"
+                   rel="noreferrer" target="_blank">search &rarr;</a>
+            </p>
+        </div>
+    </div>
+
+    <!-- Source -->
+    <div class="container">
+        <p><b><?= esc(clean_path($file)) ?></b> at line <b><?= esc($line) ?></b></p>
+
+        <?php if (is_file($file)) : ?>
+            <div class="source">
+                <?= static::highlightFile($file, $line, 15); ?>
+            </div>
+        <?php endif; ?>
+    </div>
+
+    <div class="container">
+
+        <ul class="tabs" id="tabs">
+            <li><a href="#backtrace">Backtrace</a></li>
+            <li><a href="#server">Server</a></li>
+            <li><a href="#request">Request</a></li>
+            <li><a href="#response">Response</a></li>
+            <li><a href="#files">Files</a></li>
+            <li><a href="#memory">Memory</a></li>
+        </ul>
+
+        <div class="tab-content">
+
+            <!-- Backtrace -->
+            <div class="content" id="backtrace">
+
+                <ol class="trace">
+                <?php foreach ($trace as $index => $row) : ?>
+
+                    <li>
+                        <p>
+                            <!-- Trace info -->
+                            <?php if (isset($row['file']) && is_file($row['file'])) :?>
+                                <?php
+                                if (isset($row['function']) && in_array($row['function'], ['include', 'include_once', 'require', 'require_once'], true)) {
+                                    echo esc($row['function'] . ' ' . clean_path($row['file']));
+                                } else {
+                                    echo esc(clean_path($row['file']) . ' : ' . $row['line']);
+                                }
+                                ?>
+                            <?php else: ?>
+                                {PHP internal code}
+                            <?php endif; ?>
+
+                            <!-- Class/Method -->
+                            <?php if (isset($row['class'])) : ?>
+                                &nbsp;&nbsp;&mdash;&nbsp;&nbsp;<?= esc($row['class'] . $row['type'] . $row['function']) ?>
+                                <?php if (! empty($row['args'])) : ?>
+                                    <?php $argsId = $errorId . 'args' . $index ?>
+                                    ( <a href="#" onclick="return toggle('<?= esc($argsId, 'attr') ?>');">arguments</a> )
+                                    <div class="args" id="<?= esc($argsId, 'attr') ?>">
+                                        <table cellspacing="0">
+
+                                        <?php
+                                        $params = null;
+                                        // Reflection by name is not available for closure function
+                                        if (substr($row['function'], -1) !== '}') {
+                                            $mirror = isset($row['class']) ? new ReflectionMethod($row['class'], $row['function']) : new ReflectionFunction($row['function']);
+                                            $params = $mirror->getParameters();
+                                        }
+
+                                        foreach ($row['args'] as $key => $value) : ?>
+                                            <tr>
+                                                <td><code><?= esc(isset($params[$key]) ? '$' . $params[$key]->name : "#{$key}") ?></code></td>
+                                                <td><pre><?= esc(print_r($value, true)) ?></pre></td>
+                                            </tr>
+                                        <?php endforeach ?>
+
+                                        </table>
+                                    </div>
+                                <?php else : ?>
+                                    ()
+                                <?php endif; ?>
+                            <?php endif; ?>
+
+                            <?php if (! isset($row['class']) && isset($row['function'])) : ?>
+                                &nbsp;&nbsp;&mdash;&nbsp;&nbsp;    <?= esc($row['function']) ?>()
+                            <?php endif; ?>
+                        </p>
+
+                        <!-- Source? -->
+                        <?php if (isset($row['file']) && is_file($row['file']) && isset($row['class'])) : ?>
+                            <div class="source">
+                                <?= static::highlightFile($row['file'], $row['line']) ?>
+                            </div>
+                        <?php endif; ?>
+                    </li>
+
+                <?php endforeach; ?>
+                </ol>
+
+            </div>
+
+            <!-- Server -->
+            <div class="content" id="server">
+                <?php foreach (['_SERVER', '_SESSION'] as $var) : ?>
+                    <?php
+                    if (empty($GLOBALS[$var]) || ! is_array($GLOBALS[$var])) {
+                        continue;
+                    } ?>
+
+                    <h3>$<?= esc($var) ?></h3>
+
+                    <table>
+                        <thead>
+                            <tr>
+                                <th>Key</th>
+                                <th>Value</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                        <?php foreach ($GLOBALS[$var] as $key => $value) : ?>
+                            <tr>
+                                <td><?= esc($key) ?></td>
+                                <td>
+                                    <?php if (is_string($value)) : ?>
+                                        <?= esc($value) ?>
+                                    <?php else: ?>
+                                        <pre><?= esc(print_r($value, true)) ?></pre>
+                                    <?php endif; ?>
+                                </td>
+                            </tr>
+                        <?php endforeach; ?>
+                        </tbody>
+                    </table>
+
+                <?php endforeach ?>
+
+                <!-- Constants -->
+                <?php $constants = get_defined_constants(true); ?>
+                <?php if (! empty($constants['user'])) : ?>
+                    <h3>Constants</h3>
+
+                    <table>
+                        <thead>
+                            <tr>
+                                <th>Key</th>
+                                <th>Value</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                        <?php foreach ($constants['user'] as $key => $value) : ?>
+                            <tr>
+                                <td><?= esc($key) ?></td>
+                                <td>
+                                    <?php if (is_string($value)) : ?>
+                                        <?= esc($value) ?>
+                                    <?php else: ?>
+                                        <pre><?= esc(print_r($value, true)) ?></pre>
+                                    <?php endif; ?>
+                                </td>
+                            </tr>
+                        <?php endforeach; ?>
+                        </tbody>
+                    </table>
+                <?php endif; ?>
+            </div>
+
+            <!-- Request -->
+            <div class="content" id="request">
+                <?php $request = Services::request(); ?>
+
+                <table>
+                    <tbody>
+                        <tr>
+                            <td style="width: 10em">Path</td>
+                            <td><?= esc($request->getUri()) ?></td>
+                        </tr>
+                        <tr>
+                            <td>HTTP Method</td>
+                            <td><?= esc(strtoupper($request->getMethod())) ?></td>
+                        </tr>
+                        <tr>
+                            <td>IP Address</td>
+                            <td><?= esc($request->getIPAddress()) ?></td>
+                        </tr>
+                        <tr>
+                            <td style="width: 10em">Is AJAX Request?</td>
+                            <td><?= $request->isAJAX() ? 'yes' : 'no' ?></td>
+                        </tr>
+                        <tr>
+                            <td>Is CLI Request?</td>
+                            <td><?= $request->isCLI() ? 'yes' : 'no' ?></td>
+                        </tr>
+                        <tr>
+                            <td>Is Secure Request?</td>
+                            <td><?= $request->isSecure() ? 'yes' : 'no' ?></td>
+                        </tr>
+                        <tr>
+                            <td>User Agent</td>
+                            <td><?= esc($request->getUserAgent()->getAgentString()) ?></td>
+                        </tr>
+
+                    </tbody>
+                </table>
+
+
+                <?php $empty = true; ?>
+                <?php foreach (['_GET', '_POST', '_COOKIE'] as $var) : ?>
+                    <?php
+                    if (empty($GLOBALS[$var]) || ! is_array($GLOBALS[$var])) {
+                        continue;
+                    } ?>
+
+                    <?php $empty = false; ?>
+
+                    <h3>$<?= esc($var) ?></h3>
+
+                    <table style="width: 100%">
+                        <thead>
+                            <tr>
+                                <th>Key</th>
+                                <th>Value</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                        <?php foreach ($GLOBALS[$var] as $key => $value) : ?>
+                            <tr>
+                                <td><?= esc($key) ?></td>
+                                <td>
+                                    <?php if (is_string($value)) : ?>
+                                        <?= esc($value) ?>
+                                    <?php else: ?>
+                                        <pre><?= esc(print_r($value, true)) ?></pre>
+                                    <?php endif; ?>
+                                </td>
+                            </tr>
+                        <?php endforeach; ?>
+                        </tbody>
+                    </table>
+
+                <?php endforeach ?>
+
+                <?php if ($empty) : ?>
+
+                    <div class="alert">
+                        No $_GET, $_POST, or $_COOKIE Information to show.
+                    </div>
+
+                <?php endif; ?>
+
+                <?php $headers = $request->headers(); ?>
+                <?php if (! empty($headers)) : ?>
+
+                    <h3>Headers</h3>
+
+                    <table>
+                        <thead>
+                            <tr>
+                                <th>Header</th>
+                                <th>Value</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                        <?php foreach ($headers as $header) : ?>
+                            <tr>
+                                <td><?= esc($header->getName(), 'html') ?></td>
+                                <td><?= esc($header->getValueLine(), 'html') ?></td>
+                            </tr>
+                        <?php endforeach; ?>
+                        </tbody>
+                    </table>
+
+                <?php endif; ?>
+            </div>
+
+            <!-- Response -->
+            <?php
+                $response = Services::response();
+                $response->setStatusCode(http_response_code());
+            ?>
+            <div class="content" id="response">
+                <table>
+                    <tr>
+                        <td style="width: 15em">Response Status</td>
+                        <td><?= esc($response->getStatusCode() . ' - ' . $response->getReasonPhrase()) ?></td>
+                    </tr>
+                </table>
+
+                <?php $headers = $response->headers(); ?>
+                <?php if (! empty($headers)) : ?>
+                    <?php natsort($headers) ?>
+
+                    <h3>Headers</h3>
+
+                    <table>
+                        <thead>
+                            <tr>
+                                <th>Header</th>
+                                <th>Value</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                        <?php foreach (array_keys($headers) as $name) : ?>
+                            <tr>
+                                <td><?= esc($name, 'html') ?></td>
+                                <td><?= esc($response->getHeaderLine($name), 'html') ?></td>
+                            </tr>
+                        <?php endforeach; ?>
+                        </tbody>
+                    </table>
+
+                <?php endif; ?>
+            </div>
+
+            <!-- Files -->
+            <div class="content" id="files">
+                <?php $files = get_included_files(); ?>
+
+                <ol>
+                <?php foreach ($files as $file) :?>
+                    <li><?= esc(clean_path($file)) ?></li>
+                <?php endforeach ?>
+                </ol>
+            </div>
+
+            <!-- Memory -->
+            <div class="content" id="memory">
+
+                <table>
+                    <tbody>
+                        <tr>
+                            <td>Memory Usage</td>
+                            <td><?= esc(static::describeMemory(memory_get_usage(true))) ?></td>
+                        </tr>
+                        <tr>
+                            <td style="width: 12em">Peak Memory Usage:</td>
+                            <td><?= esc(static::describeMemory(memory_get_peak_usage(true))) ?></td>
+                        </tr>
+                        <tr>
+                            <td>Memory Limit:</td>
+                            <td><?= esc(ini_get('memory_limit')) ?></td>
+                        </tr>
+                    </tbody>
+                </table>
+
+            </div>
+
+        </div>  <!-- /tab-content -->
+
+    </div> <!-- /container -->
+
+    <div class="footer">
+        <div class="container">
+
+            <p>
+                Displayed at <?= esc(date('H:i:sa')) ?> &mdash;
+                PHP: <?= esc(PHP_VERSION) ?>  &mdash;
+                CodeIgniter: <?= esc(CodeIgniter::CI_VERSION) ?>
+            </p>
+
+        </div>
+    </div>
+
+</body>
+</html>
diff --git a/410977019_0530_HW/app/Views/errors/html/production.php b/410977019_0530_HW/app/Views/errors/html/production.php
new file mode 100644
index 0000000..2f59a8d
--- /dev/null
+++ b/410977019_0530_HW/app/Views/errors/html/production.php
@@ -0,0 +1,25 @@
+<!doctype html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <meta name="robots" content="noindex">
+
+    <title><?= lang('Errors.whoops') ?></title>
+
+    <style>
+        <?= preg_replace('#[\r\n\t ]+#', ' ', file_get_contents(__DIR__ . DIRECTORY_SEPARATOR . 'debug.css')) ?>
+    </style>
+</head>
+<body>
+
+    <div class="container text-center">
+
+        <h1 class="headline"><?= lang('Errors.whoops') ?></h1>
+
+        <p class="lead"><?= lang('Errors.weHitASnag') ?></p>
+
+    </div>
+
+</body>
+
+</html>
diff --git a/410977019_0530_HW/app/Views/practice.php b/410977019_0530_HW/app/Views/practice.php
new file mode 100644
index 0000000..1fc81b5
--- /dev/null
+++ b/410977019_0530_HW/app/Views/practice.php
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title><?php echo $title; ?></title>
+</head>
+<body>
+    <h1><?php echo $heading; ?></h1>
+    <table>
+        <thead>
+            <tr>
+                <th>Time Used</th>
+                <th>Step</th>
+                <th>Description</th>
+            </tr>
+        </thead>
+        <tbody>
+            <?php foreach ($todo_list as $week => $tasks) : ?>
+                <?php foreach ($tasks as $taskKey => $taskValue) : ?>
+                    <tr>
+                        <?php if ($taskKey === 0) : ?>
+                            <td rowspan="<?php echo count($tasks); ?>"><?php echo $week; ?></td>
+                        <?php endif; ?>
+                        <?php if ($taskKey === 0) : ?>
+                            <td rowspan="<?php echo count($tasks); ?>"><?php echo $tasks[0]; ?></td>
+                        <?php endif; ?>
+                        <?php if ($taskKey === 0) : ?>
+                            <td rowspan="<?php echo count($tasks); ?>"><?php echo $tasks[1]; ?></td>
+                        <?php endif; ?>
+                    </tr>
+                <?php endforeach; ?>
+            <?php endforeach; ?>
+        </tbody>
+    </table>
+</body>
+</html>
diff --git a/410977019_0530_HW/app/Views/welcome_message.php b/410977019_0530_HW/app/Views/welcome_message.php
new file mode 100644
index 0000000..6d5da23
--- /dev/null
+++ b/410977019_0530_HW/app/Views/welcome_message.php
@@ -0,0 +1,325 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Welcome to CodeIgniter 4!</title>
+    <meta name="description" content="The small framework with powerful features">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="shortcut icon" type="image/png" href="/favicon.ico">
+
+    <!-- STYLES -->
+
+    <style {csp-style-nonce}>
+        * {
+            transition: background-color 300ms ease, color 300ms ease;
+        }
+        *:focus {
+            background-color: rgba(221, 72, 20, .2);
+            outline: none;
+        }
+        html, body {
+            color: rgba(33, 37, 41, 1);
+            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
+            font-size: 16px;
+            margin: 0;
+            padding: 0;
+            -webkit-font-smoothing: antialiased;
+            -moz-osx-font-smoothing: grayscale;
+            text-rendering: optimizeLegibility;
+        }
+        header {
+            background-color: rgba(247, 248, 249, 1);
+            padding: .4rem 0 0;
+        }
+        .menu {
+            padding: .4rem 2rem;
+        }
+        header ul {
+            border-bottom: 1px solid rgba(242, 242, 242, 1);
+            list-style-type: none;
+            margin: 0;
+            overflow: hidden;
+            padding: 0;
+            text-align: right;
+        }
+        header li {
+            display: inline-block;
+        }
+        header li a {
+            border-radius: 5px;
+            color: rgba(0, 0, 0, .5);
+            display: block;
+            height: 44px;
+            text-decoration: none;
+        }
+        header li.menu-item a {
+            border-radius: 5px;
+            margin: 5px 0;
+            height: 38px;
+            line-height: 36px;
+            padding: .4rem .65rem;
+            text-align: center;
+        }
+        header li.menu-item a:hover,
+        header li.menu-item a:focus {
+            background-color: rgba(221, 72, 20, .2);
+            color: rgba(221, 72, 20, 1);
+        }
+        header .logo {
+            float: left;
+            height: 44px;
+            padding: .4rem .5rem;
+        }
+        header .menu-toggle {
+            display: none;
+            float: right;
+            font-size: 2rem;
+            font-weight: bold;
+        }
+        header .menu-toggle button {
+            background-color: rgba(221, 72, 20, .6);
+            border: none;
+            border-radius: 3px;
+            color: rgba(255, 255, 255, 1);
+            cursor: pointer;
+            font: inherit;
+            font-size: 1.3rem;
+            height: 36px;
+            padding: 0;
+            margin: 11px 0;
+            overflow: visible;
+            width: 40px;
+        }
+        header .menu-toggle button:hover,
+        header .menu-toggle button:focus {
+            background-color: rgba(221, 72, 20, .8);
+            color: rgba(255, 255, 255, .8);
+        }
+        header .heroe {
+            margin: 0 auto;
+            max-width: 1100px;
+            padding: 1rem 1.75rem 1.75rem 1.75rem;
+        }
+        header .heroe h1 {
+            font-size: 2.5rem;
+            font-weight: 500;
+        }
+        header .heroe h2 {
+            font-size: 1.5rem;
+            font-weight: 300;
+        }
+        section {
+            margin: 0 auto;
+            max-width: 1100px;
+            padding: 2.5rem 1.75rem 3.5rem 1.75rem;
+        }
+        section h1 {
+            margin-bottom: 2.5rem;
+        }
+        section h2 {
+            font-size: 120%;
+            line-height: 2.5rem;
+            padding-top: 1.5rem;
+        }
+        section pre {
+            background-color: rgba(247, 248, 249, 1);
+            border: 1px solid rgba(242, 242, 242, 1);
+            display: block;
+            font-size: .9rem;
+            margin: 2rem 0;
+            padding: 1rem 1.5rem;
+            white-space: pre-wrap;
+            word-break: break-all;
+        }
+        section code {
+            display: block;
+        }
+        section a {
+            color: rgba(221, 72, 20, 1);
+        }
+        section svg {
+            margin-bottom: -5px;
+            margin-right: 5px;
+            width: 25px;
+        }
+        .further {
+            background-color: rgba(247, 248, 249, 1);
+            border-bottom: 1px solid rgba(242, 242, 242, 1);
+            border-top: 1px solid rgba(242, 242, 242, 1);
+        }
+        .further h2:first-of-type {
+            padding-top: 0;
+        }
+        footer {
+            background-color: rgba(221, 72, 20, .8);
+            text-align: center;
+        }
+        footer .environment {
+            color: rgba(255, 255, 255, 1);
+            padding: 2rem 1.75rem;
+        }
+        footer .copyrights {
+            background-color: rgba(62, 62, 62, 1);
+            color: rgba(200, 200, 200, 1);
+            padding: .25rem 1.75rem;
+        }
+        @media (max-width: 629px) {
+            header ul {
+                padding: 0;
+            }
+            header .menu-toggle {
+                padding: 0 1rem;
+            }
+            header .menu-item {
+                background-color: rgba(244, 245, 246, 1);
+                border-top: 1px solid rgba(242, 242, 242, 1);
+                margin: 0 15px;
+                width: calc(100% - 30px);
+            }
+            header .menu-toggle {
+                display: block;
+            }
+            header .hidden {
+                display: none;
+            }
+            header li.menu-item a {
+                background-color: rgba(221, 72, 20, .1);
+            }
+            header li.menu-item a:hover,
+            header li.menu-item a:focus {
+                background-color: rgba(221, 72, 20, .7);
+                color: rgba(255, 255, 255, .8);
+            }
+        }
+    </style>
+</head>
+<body>
+
+<!-- HEADER: MENU + HEROE SECTION -->
+<header>
+
+    <div class="menu">
+        <ul>
+            <li class="logo">
+                <a href="https://codeigniter.com" target="_blank">
+                    <svg role="img" aria-label="Visit CodeIgniter.com official website!" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2100 500" height="44"><path fill="#dd4814" d="M148.2 411c-20.53-9.07-34.48-28.61-36.31-50.99 1.2-23.02 13.36-44.06 32.67-56.61-3.17 7.73-2.4 16.53 2 23.6 5.01 7 13.63 10.36 22.07 8.61 12.02-3.38 19.06-15.86 15.68-27.89-1.2-4.21-3.6-8.03-6.88-10.91-13.6-11.06-20.43-28.44-18-45.81 2.33-9.2 7.42-17.52 14.61-23.8-5.4 14.4 9.83 28.61 20.05 35.6 18.14 10.88 35.6 22.84 52.32 35.81 18.27 14.4 28.23 36.94 26.67 60-4.11 24.54-21.47 44.8-45.13 52.4 47.33-10.53 96.13-48.13 97.06-101.46-.93-42.67-26.4-80.96-65.33-98.4h-1.73c.86 2.09 1.28 4.34 1.2 6.61.13-1.47.13-2.93 0-4.4.21 1.73.21 3.47 0 5.2-2.96 12.13-15.2 19.6-27.36 16.64-4.86-1.2-9.2-3.93-12.32-7.87-15.6-20 0-42.76 2.61-64.76 1.6-28.13-11.25-55.02-34.05-71.46 11.41 19.02-3.79 44-14.84 58.21-11.07 14.21-27.07 24.8-40.11 37.2-14.05 13.07-26.93 27.44-38.49 42.8-24.99 30.53-34.8 70.8-26.67 109.4 11.15 37.2 42.07 65.15 80.2 72.4h.21l-.13-.12Zm324.56-159.8q0-17.92 6.16-35.56 6.44-17.92 18.48-31.92t29.68-22.68q17.64-8.96 40.04-8.96 26.6 0 45.36 12.04 19.04 12.04 28 31.36l-15.4 9.52q-4.76-9.8-11.76-16.52-6.72-6.72-14.56-10.92-7.84-4.2-16.24-5.88-8.4-1.96-16.52-1.96-17.92 0-31.64 7.28-13.72 7.28-23.24 19.04-9.24 11.76-14 26.6-4.76 14.56-4.76 29.68 0 16.52 5.6 31.64 5.88 15.12 15.68 26.88 10.08 11.48 23.52 18.48 13.72 6.72 29.68 6.72 8.4 0 17.08-1.96 8.96-2.24 17.08-6.72 8.4-4.76 15.4-11.48 7-7 11.76-16.8l16.24 8.4q-4.76 11.2-13.44 19.88-8.68 8.4-19.32 14.28-10.64 5.88-22.68 8.96-11.76 3.08-23.24 3.08-20.44 0-37.52-8.96-17.08-8.96-29.4-23.24-12.32-14.56-19.32-32.76-6.72-18.48-6.72-37.52Zm263.48 103.6q-15.96 0-29.12-5.88-13.16-6.16-22.96-16.52-9.52-10.36-14.84-24.08Q664 294.6 664 279.48q0-15.4 5.32-29.12 5.6-13.72 15.12-24.08 9.8-10.36 22.96-16.52t28.84-6.16q15.68 0 28.84 6.16 13.44 6.16 22.96 16.52 9.8 10.36 15.12 24.08 5.6 13.72 5.6 29.12 0 15.12-5.32 28.84t-15.12 24.08q-9.52 10.36-22.96 16.52-13.16 5.88-29.12 5.88Zm-52.92-75.04q0 12.32 4.2 22.96 4.2 10.36 11.2 18.48 7.28 7.84 16.8 12.32 9.8 4.48 20.72 4.48 10.92 0 20.44-4.48 9.8-4.76 17.08-12.6 7.28-8.12 11.48-18.76 4.2-10.64 4.2-22.96 0-12.04-4.2-22.68-4.2-10.92-11.48-18.76-7.28-8.12-17.08-12.6-9.52-4.76-20.44-4.76-10.92 0-20.44 4.76-9.52 4.48-16.8 12.6-7.28 8.12-11.48 19.04-4.2 10.64-4.2 22.96ZM900.6 354.8q-15.12 0-28-6.16-12.88-6.44-22.12-16.8t-14.56-23.8q-5.04-13.72-5.04-28.56 0-15.4 5.04-29.12 5.04-14 13.72-24.36 8.96-10.36 21-16.24 12.32-6.16 26.88-6.16 18.48 0 32.76 9.8 14.28 9.52 22.4 23.24V147.6h19.04v179.76q0 7.84 6.72 7.84V352q-4.2.84-6.72.84-6.72 0-11.76-4.2-5.04-4.48-5.04-10.64v-14.28Q946.24 338 931.4 346.4t-30.8 8.4Zm4.2-16.8q7 0 14.84-2.8 8.12-2.8 15.12-7.56 7-5.04 11.76-11.48 5.04-6.72 6.16-14.28V256.8q-2.8-7.56-8.12-14-5.32-6.72-12.32-11.76-6.72-5.04-14.56-7.84-7.84-2.8-15.4-2.8-11.76 0-21.28 5.04-9.52 5.04-16.52 13.44-6.72 8.12-10.36 18.76-3.64 10.64-3.64 21.84 0 11.76 4.2 22.4 4.2 10.64 11.48 18.76 7.28 7.84 17.08 12.6Q893.32 338 904.8 338Zm173.04 16.8q-15.96 0-29.4-5.88-13.16-6.16-22.96-16.52-9.8-10.64-15.4-24.36-5.32-13.72-5.32-29.4 0-15.4 5.32-28.84 5.6-13.72 15.12-23.8 9.8-10.36 23.24-16.24 13.44-6.16 29.12-6.16 15.96 0 29.12 6.16 13.44 5.88 22.96 16.24 9.52 10.36 14.84 23.8 5.32 13.44 5.32 28.56v4.48q0 2.24-.28 3.08h-124.88q.84 11.76 5.32 21.84 4.76 9.8 12.04 17.08 7.28 7.28 16.52 11.48 9.52 3.92 20.16 3.92 7 0 14-1.96t12.88-5.32q5.88-3.36 10.64-8.12 4.76-5.04 7.28-10.92l16.52 4.48q-3.36 8.12-9.52 14.84-6.16 6.44-14.28 11.48-8.12 4.76-17.92 7.56-9.8 2.52-20.44 2.52Zm-53.48-83.44h107.24q-.84-11.76-5.6-21.28-4.48-9.8-11.76-16.8-7-7-16.52-10.92-9.24-3.92-19.88-3.92-10.64 0-20.16 3.92t-16.8 10.92q-7 7-11.48 16.8-4.2 9.8-5.04 21.28Zm193.2 80.64h-38.64V153.2h38.64V352Zm93.52.84q-14.84 0-26.88-5.88t-21-15.96q-8.68-10.36-13.44-23.8-4.76-13.44-4.76-28.56 0-15.96 5.04-29.68 5.04-13.72 14-24.08 8.96-10.36 21.56-16.24 12.6-5.88 27.72-5.88 17.08 0 29.96 7.84 12.88 7.56 21.28 20.44v-25.76h32.76V345q0 16.24-6.16 29.12-6.16 12.88-17.08 21.84-10.64 8.96-25.76 13.72-14.84 4.76-32.48 4.76-24.08 0-40.6-7.84-16.24-8.12-28-22.68l20.44-19.88q8.4 10.36 21 16.24 12.88 5.88 27.16 5.88 8.68 0 16.52-2.24 8.12-2.52 14.28-7.56 6.16-5.04 9.52-12.88 3.64-7.84 3.64-18.48v-18.48q-7.28 12.6-20.44 19.6-13.16 6.72-28.28 6.72Zm12.6-29.96q6.16 0 11.76-1.96t10.36-5.32q4.76-3.36 8.4-7.84 3.64-4.48 5.6-9.52v-35q-5.04-12.88-15.96-20.72-10.64-7.84-22.4-7.84-8.68 0-15.68 3.92-7 3.64-12.04 10.08-5.04 6.16-7.84 14.28-2.52 8.12-2.52 16.8 0 8.96 3.08 16.8t8.4 13.72q5.6 5.88 12.88 9.24 7.28 3.36 15.96 3.36Zm243.88-62.44V352h-37.52v-82.32q0-17.64-6.16-25.76-6.16-8.12-17.08-8.12-5.6 0-11.48 2.24-5.88 2.24-11.2 6.44-5.04 3.92-9.24 9.52t-6.16 12.32V352h-37.52V205.28h33.88v27.16q8.12-14 23.52-21.84t34.72-7.84q13.72 0 22.4 5.04 8.68 5.04 13.44 13.16 4.76 8.12 6.44 18.48 1.96 10.36 1.96 21Zm70.28 91.56h-37.52V205.28h37.52V352Zm0-167.16h-37.52V147.6h37.52v37.24Zm114.24 129.92 7.56 29.68q-7.56 3.36-18.48 6.72-10.92 3.36-22.96 3.36-7.84 0-14.84-1.96-6.72-1.96-12.04-6.16-5.04-4.48-8.12-11.2-3.08-7-3.08-16.8v-84.28h-19.32v-28.84h19.32v-47.6h37.52v47.6h30.8v28.84h-30.8v71.68q0 7.84 3.92 11.2 4.2 3.08 10.08 3.08t11.48-1.96q5.6-1.96 8.96-3.36Zm91.56 40.04q-17.64 0-31.92-5.88-14.28-6.16-24.36-16.52t-15.68-24.08q-5.32-13.72-5.32-28.84 0-15.68 5.32-29.4 5.32-14 15.4-24.36 10.08-10.64 24.36-16.8 14.56-6.16 32.48-6.16 17.92 0 31.92 6.16 14.28 6.16 24.08 16.52 10.08 10.36 15.12 24.08 5.32 13.72 5.32 28.56 0 3.64-.28 7 0 3.36-.56 5.6h-113.4q.84 8.68 4.2 15.4 3.36 6.72 8.68 11.48 5.32 4.76 12.04 7.28 6.72 2.52 14 2.52 11.2 0 21-5.32 10.08-5.6 13.72-14.56l32.2 8.96q-8.12 16.8-26.04 27.72-17.64 10.64-42.28 10.64Zm-38.08-88.48h76.16q-1.4-16.52-12.32-26.32-10.64-10.08-26.04-10.08-7.56 0-14.28 2.8-6.44 2.52-11.48 7.28t-8.4 11.48q-3.08 6.72-3.64 14.84Zm225.12-62.72v34.16q-17.08.28-30.52 6.72-13.44 6.16-19.32 18.76V352h-37.52V205.28h34.44v31.36q3.92-7.56 9.24-13.44 5.32-6.16 11.48-10.64t12.32-6.72q6.44-2.52 12.32-2.52h4.48q1.68 0 3.08.28Z"/></svg>
+                </a>
+            </li>
+            <li class="menu-toggle">
+                <button onclick="toggleMenu();">&#9776;</button>
+            </li>
+            <li class="menu-item hidden"><a href="#">Home</a></li>
+            <li class="menu-item hidden"><a href="https://codeigniter4.github.io/userguide/" target="_blank">Docs</a>
+            </li>
+            <li class="menu-item hidden"><a href="https://forum.codeigniter.com/" target="_blank">Community</a></li>
+            <li class="menu-item hidden"><a
+                    href="https://github.com/codeigniter4/CodeIgniter4/blob/develop/CONTRIBUTING.md" target="_blank">Contribute</a>
+            </li>
+        </ul>
+    </div>
+
+    <div class="heroe">
+
+        <h1>Welcome to CodeIgniter <?= CodeIgniter\CodeIgniter::CI_VERSION ?></h1>
+
+        <h2>The small framework with powerful features</h2>
+
+    </div>
+
+</header>
+
+<!-- CONTENT -->
+
+<section>
+
+    <h1>About this page</h1>
+
+    <p>The page you are looking at is being generated dynamically by CodeIgniter.</p>
+
+    <p>If you would like to edit this page you will find it located at:</p>
+
+    <pre><code>app/Views/welcome_message.php</code></pre>
+
+    <p>The corresponding controller for this page can be found at:</p>
+
+    <pre><code>app/Controllers/Home.php</code></pre>
+
+</section>
+
+<div class="further">
+
+    <section>
+
+        <h1>Go further</h1>
+
+        <h2>
+            <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'><rect x='32' y='96' width='64' height='368' rx='16' ry='16' style='fill:none;stroke:#000;stroke-linejoin:round;stroke-width:32px'/><line x1='112' y1='224' x2='240' y2='224' style='fill:none;stroke:#000;stroke-linecap:round;stroke-linejoin:round;stroke-width:32px'/><line x1='112' y1='400' x2='240' y2='400' style='fill:none;stroke:#000;stroke-linecap:round;stroke-linejoin:round;stroke-width:32px'/><rect x='112' y='160' width='128' height='304' rx='16' ry='16' style='fill:none;stroke:#000;stroke-linejoin:round;stroke-width:32px'/><rect x='256' y='48' width='96' height='416' rx='16' ry='16' style='fill:none;stroke:#000;stroke-linejoin:round;stroke-width:32px'/><path d='M422.46,96.11l-40.4,4.25c-11.12,1.17-19.18,11.57-17.93,23.1l34.92,321.59c1.26,11.53,11.37,20,22.49,18.84l40.4-4.25c11.12-1.17,19.18-11.57,17.93-23.1L445,115C443.69,103.42,433.58,94.94,422.46,96.11Z' style='fill:none;stroke:#000;stroke-linejoin:round;stroke-width:32px'/></svg>
+            Learn
+        </h2>
+
+        <p>The User Guide contains an introduction, tutorial, a number of "how to"
+            guides, and then reference documentation for the components that make up
+            the framework. Check the <a href="https://codeigniter4.github.io/userguide"
+            target="_blank">User Guide</a> !</p>
+
+        <h2>
+            <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'><path d='M431,320.6c-1-3.6,1.2-8.6,3.3-12.2a33.68,33.68,0,0,1,2.1-3.1A162,162,0,0,0,464,215c.3-92.2-77.5-167-173.7-167C206.4,48,136.4,105.1,120,180.9a160.7,160.7,0,0,0-3.7,34.2c0,92.3,74.8,169.1,171,169.1,15.3,0,35.9-4.6,47.2-7.7s22.5-7.2,25.4-8.3a26.44,26.44,0,0,1,9.3-1.7,26,26,0,0,1,10.1,2L436,388.6a13.52,13.52,0,0,0,3.9,1,8,8,0,0,0,8-8,12.85,12.85,0,0,0-.5-2.7Z' style='fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px'/><path d='M66.46,232a146.23,146.23,0,0,0,6.39,152.67c2.31,3.49,3.61,6.19,3.21,8s-11.93,61.87-11.93,61.87a8,8,0,0,0,2.71,7.68A8.17,8.17,0,0,0,72,464a7.26,7.26,0,0,0,2.91-.6l56.21-22a15.7,15.7,0,0,1,12,.2c18.94,7.38,39.88,12,60.83,12A159.21,159.21,0,0,0,284,432.11' style='fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px'/></svg>
+            Discuss
+        </h2>
+
+        <p>CodeIgniter is a community-developed open source project, with several
+             venues for the community members to gather and exchange ideas. View all
+             the threads on <a href="https://forum.codeigniter.com/"
+             target="_blank">CodeIgniter's forum</a>, or <a href="https://join.slack.com/t/codeigniterchat/shared_invite/zt-rl30zw00-obL1Hr1q1ATvkzVkFp8S0Q"
+             target="_blank">chat on Slack</a> !</p>
+
+        <h2>
+             <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'><line x1='176' y1='48' x2='336' y2='48' style='fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px'/><line x1='118' y1='304' x2='394' y2='304' style='fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px'/><path d='M208,48v93.48a64.09,64.09,0,0,1-9.88,34.18L73.21,373.49C48.4,412.78,76.63,464,123.08,464H388.92c46.45,0,74.68-51.22,49.87-90.51L313.87,175.66A64.09,64.09,0,0,1,304,141.48V48' style='fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:32px'/></svg>
+             Contribute
+        </h2>
+
+        <p>CodeIgniter is a community driven project and accepts contributions
+             of code and documentation from the community. Why not
+             <a href="https://codeigniter.com/contribute" target="_blank">
+             join us</a> ?</p>
+
+    </section>
+
+</div>
+
+<!-- FOOTER: DEBUG INFO + COPYRIGHTS -->
+
+<footer>
+    <div class="environment">
+
+        <p>Page rendered in {elapsed_time} seconds</p>
+
+        <p>Environment: <?= ENVIRONMENT ?></p>
+
+    </div>
+
+    <div class="copyrights">
+
+        <p>&copy; <?= date('Y') ?> CodeIgniter Foundation. CodeIgniter is open source project released under the MIT
+            open source licence.</p>
+
+    </div>
+
+</footer>
+
+<!-- SCRIPTS -->
+
+<script>
+    function toggleMenu() {
+        var menuItems = document.getElementsByClassName('menu-item');
+        for (var i = 0; i < menuItems.length; i++) {
+            var menuItem = menuItems[i];
+            menuItem.classList.toggle("hidden");
+        }
+    }
+</script>
+
+<!-- -->
+
+</body>
+</html>
diff --git a/410977019_0530_HW/app/index.html b/410977019_0530_HW/app/index.html
new file mode 100644
index 0000000..69df4e1
--- /dev/null
+++ b/410977019_0530_HW/app/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html>
diff --git a/410977019_0530_HW/builds b/410977019_0530_HW/builds
new file mode 100644
index 0000000..cc2ca08
--- /dev/null
+++ b/410977019_0530_HW/builds
@@ -0,0 +1,125 @@
+#!/usr/bin/env php
+<?php
+
+define('LATEST_RELEASE', '^4.0');
+define('GITHUB_URL', 'https://github.com/codeigniter4/codeigniter4');
+
+/*
+ * --------------------------------------------------------------------
+ * Stability Toggle
+ * --------------------------------------------------------------------
+ * Use this script to toggle the CodeIgniter dependency between the
+ * latest stable release and the most recent development update.
+ *
+ * Usage: php builds [release|development]
+ */
+
+// Determine the requested stability
+if (empty($argv[1]) || ! in_array($argv[1], ['release', 'development'], true)) {
+    echo 'Usage: php builds [release|development]' . PHP_EOL;
+
+    exit;
+}
+
+$dev = $argv[1] === 'development';
+
+$modified = [];
+
+// Locate each file and update it for the requested stability
+
+$file = __DIR__ . DIRECTORY_SEPARATOR . 'composer.json';
+
+if (is_file($file)) {
+    $contents = file_get_contents($file);
+
+    if ((string) $contents !== '') {
+        $array = json_decode($contents, true);
+
+        if (is_array($array)) {
+            if ($dev) {
+                $array['minimum-stability'] = 'dev';
+                $array['prefer-stable']     = true;
+                $array['repositories'] ??= [];
+
+                $found = false;
+
+                foreach ($array['repositories'] as $repository) {
+                    if ($repository['url'] === GITHUB_URL) {
+                        $found = true;
+                        break;
+                    }
+                }
+
+                if (! $found) {
+                    $array['repositories'][] = [
+                        'type' => 'vcs',
+                        'url'  => GITHUB_URL,
+                    ];
+                }
+
+                $array['require']['codeigniter4/codeigniter4'] = 'dev-develop';
+                unset($array['require']['codeigniter4/framework']);
+            } else {
+                unset($array['minimum-stability']);
+
+                if (isset($array['repositories'])) {
+                    foreach ($array['repositories'] as $i => $repository) {
+                        if ($repository['url'] === GITHUB_URL) {
+                            unset($array['repositories'][$i]);
+                            break;
+                        }
+                    }
+
+                    if (empty($array['repositories'])) {
+                        unset($array['repositories']);
+                    }
+                }
+
+                $array['require']['codeigniter4/framework'] = LATEST_RELEASE;
+                unset($array['require']['codeigniter4/codeigniter4']);
+            }
+
+            file_put_contents($file, json_encode($array, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) . PHP_EOL);
+
+            $modified[] = $file;
+        } else {
+            echo 'Warning: Unable to decode composer.json! Skipping...' . PHP_EOL;
+        }
+    } else {
+        echo 'Warning: Unable to read composer.json! Skipping...' . PHP_EOL;
+    }
+}
+
+$files = [
+    __DIR__ . DIRECTORY_SEPARATOR . 'app/Config/Paths.php',
+    __DIR__ . DIRECTORY_SEPARATOR . 'phpunit.xml.dist',
+    __DIR__ . DIRECTORY_SEPARATOR . 'phpunit.xml',
+];
+
+foreach ($files as $file) {
+    if (is_file($file)) {
+        $contents = file_get_contents($file);
+
+        if ($dev) {
+            $contents = str_replace('vendor/codeigniter4/framework', 'vendor/codeigniter4/codeigniter4', $contents);
+        } else {
+            $contents = str_replace('vendor/codeigniter4/codeigniter4', 'vendor/codeigniter4/framework', $contents);
+        }
+
+        file_put_contents($file, $contents);
+
+        $modified[] = $file;
+    }
+}
+
+if ($modified === []) {
+    echo 'No files modified.' . PHP_EOL;
+} else {
+    echo 'The following files were modified:' . PHP_EOL;
+
+    foreach ($modified as $file) {
+        echo " * {$file}" . PHP_EOL;
+    }
+
+    echo 'Run `composer update` to sync changes with your vendor folder.' . PHP_EOL;
+}
diff --git a/410977019_0530_HW/composer.json b/410977019_0530_HW/composer.json
new file mode 100644
index 0000000..cec23ba
--- /dev/null
+++ b/410977019_0530_HW/composer.json
@@ -0,0 +1,39 @@
+{
+    "name": "codeigniter4/appstarter",
+    "type": "project",
+    "description": "CodeIgniter4 starter app",
+    "homepage": "https://codeigniter.com",
+    "license": "MIT",
+    "require": {
+        "php": "^7.4 || ^8.0",
+        "codeigniter4/framework": "^4.0"
+    },
+    "require-dev": {
+        "fakerphp/faker": "^1.9",
+        "mikey179/vfsstream": "^1.6",
+        "phpunit/phpunit": "^9.1"
+    },
+    "config": {
+        "optimize-autoloader": true,
+        "preferred-install": "dist",
+        "sort-packages": true
+    },
+    "autoload": {
+        "exclude-from-classmap": [
+            "**/Database/Migrations/**"
+        ]
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Tests\\Support\\": "tests/_support"
+        }
+    },
+    "scripts": {
+        "test": "phpunit"
+    },
+    "support": {
+        "forum": "https://forum.codeigniter.com/",
+        "source": "https://github.com/codeigniter4/CodeIgniter4",
+        "slack": "https://codeigniterchat.slack.com"
+    }
+}
diff --git a/410977019_0530_HW/composer.lock b/410977019_0530_HW/composer.lock
new file mode 100644
index 0000000..7b56a02
--- /dev/null
+++ b/410977019_0530_HW/composer.lock
@@ -0,0 +1,2178 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "d648ee3b65e8d352e12e15817702e7cd",
+    "packages": [
+        {
+            "name": "codeigniter4/framework",
+            "version": "v4.3.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/codeigniter4/framework.git",
+                "reference": "b41bca4ff6efd9baffdb7a1bba33f946fb8580d9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/codeigniter4/framework/zipball/b41bca4ff6efd9baffdb7a1bba33f946fb8580d9",
+                "reference": "b41bca4ff6efd9baffdb7a1bba33f946fb8580d9",
+                "shasum": ""
+            },
+            "require": {
+                "ext-intl": "*",
+                "ext-json": "*",
+                "ext-mbstring": "*",
+                "laminas/laminas-escaper": "^2.9",
+                "php": "^7.4 || ^8.0",
+                "psr/log": "^1.1"
+            },
+            "require-dev": {
+                "codeigniter/coding-standard": "^1.5",
+                "fakerphp/faker": "^1.9",
+                "friendsofphp/php-cs-fixer": "3.13.0",
+                "kint-php/kint": "^5.0.4",
+                "mikey179/vfsstream": "^1.6",
+                "nexusphp/cs-config": "^3.6",
+                "phpunit/phpunit": "^9.1",
+                "predis/predis": "^1.1 || ^2.0"
+            },
+            "suggest": {
+                "ext-curl": "If you use CURLRequest class",
+                "ext-dom": "If you use TestResponse",
+                "ext-exif": "If you run Image class tests",
+                "ext-fileinfo": "Improves mime type detection for files",
+                "ext-gd": "If you use Image class GDHandler",
+                "ext-imagick": "If you use Image class ImageMagickHandler",
+                "ext-libxml": "If you use TestResponse",
+                "ext-memcache": "If you use Cache class MemcachedHandler with Memcache",
+                "ext-memcached": "If you use Cache class MemcachedHandler with Memcached",
+                "ext-mysqli": "If you use MySQL",
+                "ext-oci8": "If you use Oracle Database",
+                "ext-pgsql": "If you use PostgreSQL",
+                "ext-readline": "Improves CLI::input() usability",
+                "ext-redis": "If you use Cache class RedisHandler",
+                "ext-simplexml": "If you format XML",
+                "ext-sqlite3": "If you use SQLite3",
+                "ext-sqlsrv": "If you use SQL Server",
+                "ext-xdebug": "If you use CIUnitTestCase::assertHeaderEmitted()"
+            },
+            "type": "project",
+            "autoload": {
+                "psr-4": {
+                    "CodeIgniter\\": "system/"
+                },
+                "exclude-from-classmap": [
+                    "**/Database/Migrations/**"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "The CodeIgniter framework v4",
+            "homepage": "https://codeigniter.com",
+            "support": {
+                "forum": "https://forum.codeigniter.com/",
+                "slack": "https://codeigniterchat.slack.com",
+                "source": "https://github.com/codeigniter4/CodeIgniter4"
+            },
+            "time": "2023-05-21T13:41:12+00:00"
+        },
+        {
+            "name": "laminas/laminas-escaper",
+            "version": "2.12.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/laminas/laminas-escaper.git",
+                "reference": "ee7a4c37bf3d0e8c03635d5bddb5bb3184ead490"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/laminas/laminas-escaper/zipball/ee7a4c37bf3d0e8c03635d5bddb5bb3184ead490",
+                "reference": "ee7a4c37bf3d0e8c03635d5bddb5bb3184ead490",
+                "shasum": ""
+            },
+            "require": {
+                "ext-ctype": "*",
+                "ext-mbstring": "*",
+                "php": "^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0"
+            },
+            "conflict": {
+                "zendframework/zend-escaper": "*"
+            },
+            "require-dev": {
+                "infection/infection": "^0.26.6",
+                "laminas/laminas-coding-standard": "~2.4.0",
+                "maglnet/composer-require-checker": "^3.8.0",
+                "phpunit/phpunit": "^9.5.18",
+                "psalm/plugin-phpunit": "^0.17.0",
+                "vimeo/psalm": "^4.22.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Laminas\\Escaper\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "description": "Securely and safely escape HTML, HTML attributes, JavaScript, CSS, and URLs",
+            "homepage": "https://laminas.dev",
+            "keywords": [
+                "escaper",
+                "laminas"
+            ],
+            "support": {
+                "chat": "https://laminas.dev/chat",
+                "docs": "https://docs.laminas.dev/laminas-escaper/",
+                "forum": "https://discourse.laminas.dev",
+                "issues": "https://github.com/laminas/laminas-escaper/issues",
+                "rss": "https://github.com/laminas/laminas-escaper/releases.atom",
+                "source": "https://github.com/laminas/laminas-escaper"
+            },
+            "funding": [
+                {
+                    "url": "https://funding.communitybridge.org/projects/laminas-project",
+                    "type": "community_bridge"
+                }
+            ],
+            "time": "2022-10-10T10:11:09+00:00"
+        },
+        {
+            "name": "psr/log",
+            "version": "1.1.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/log.git",
+                "reference": "d49695b909c3b7628b6289db5479a1c204601f11"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/d49695b909c3b7628b6289db5479a1c204601f11",
+                "reference": "d49695b909c3b7628b6289db5479a1c204601f11",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Log\\": "Psr/Log/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "https://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for logging libraries",
+            "homepage": "https://github.com/php-fig/log",
+            "keywords": [
+                "log",
+                "psr",
+                "psr-3"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/log/tree/1.1.4"
+            },
+            "time": "2021-05-03T11:20:27+00:00"
+        }
+    ],
+    "packages-dev": [
+        {
+            "name": "doctrine/instantiator",
+            "version": "2.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/instantiator.git",
+                "reference": "c6222283fa3f4ac679f8b9ced9a4e23f163e80d0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/c6222283fa3f4ac679f8b9ced9a4e23f163e80d0",
+                "reference": "c6222283fa3f4ac679f8b9ced9a4e23f163e80d0",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^8.1"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^11",
+                "ext-pdo": "*",
+                "ext-phar": "*",
+                "phpbench/phpbench": "^1.2",
+                "phpstan/phpstan": "^1.9.4",
+                "phpstan/phpstan-phpunit": "^1.3",
+                "phpunit/phpunit": "^9.5.27",
+                "vimeo/psalm": "^5.4"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com",
+                    "homepage": "https://ocramius.github.io/"
+                }
+            ],
+            "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
+            "homepage": "https://www.doctrine-project.org/projects/instantiator.html",
+            "keywords": [
+                "constructor",
+                "instantiate"
+            ],
+            "support": {
+                "issues": "https://github.com/doctrine/instantiator/issues",
+                "source": "https://github.com/doctrine/instantiator/tree/2.0.0"
+            },
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Finstantiator",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-12-30T00:23:10+00:00"
+        },
+        {
+            "name": "fakerphp/faker",
+            "version": "v1.22.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/FakerPHP/Faker.git",
+                "reference": "f85772abd508bd04e20bb4b1bbe260a68d0066d2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/FakerPHP/Faker/zipball/f85772abd508bd04e20bb4b1bbe260a68d0066d2",
+                "reference": "f85772abd508bd04e20bb4b1bbe260a68d0066d2",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4 || ^8.0",
+                "psr/container": "^1.0 || ^2.0",
+                "symfony/deprecation-contracts": "^2.2 || ^3.0"
+            },
+            "conflict": {
+                "fzaninotto/faker": "*"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.4.1",
+                "doctrine/persistence": "^1.3 || ^2.0",
+                "ext-intl": "*",
+                "phpunit/phpunit": "^9.5.26",
+                "symfony/phpunit-bridge": "^5.4.16"
+            },
+            "suggest": {
+                "doctrine/orm": "Required to use Faker\\ORM\\Doctrine",
+                "ext-curl": "Required by Faker\\Provider\\Image to download images.",
+                "ext-dom": "Required by Faker\\Provider\\HtmlLorem for generating random HTML.",
+                "ext-iconv": "Required by Faker\\Provider\\ru_RU\\Text::realText() for generating real Russian text.",
+                "ext-mbstring": "Required for multibyte Unicode string functionality."
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "v1.21-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Faker\\": "src/Faker/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "François Zaninotto"
+                }
+            ],
+            "description": "Faker is a PHP library that generates fake data for you.",
+            "keywords": [
+                "data",
+                "faker",
+                "fixtures"
+            ],
+            "support": {
+                "issues": "https://github.com/FakerPHP/Faker/issues",
+                "source": "https://github.com/FakerPHP/Faker/tree/v1.22.0"
+            },
+            "time": "2023-05-14T12:31:37+00:00"
+        },
+        {
+            "name": "mikey179/vfsstream",
+            "version": "v1.6.11",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/bovigo/vfsStream.git",
+                "reference": "17d16a85e6c26ce1f3e2fa9ceeacdc2855db1e9f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/bovigo/vfsStream/zipball/17d16a85e6c26ce1f3e2fa9ceeacdc2855db1e9f",
+                "reference": "17d16a85e6c26ce1f3e2fa9ceeacdc2855db1e9f",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.5|^5.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "org\\bovigo\\vfs\\": "src/main/php"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Frank Kleine",
+                    "homepage": "http://frankkleine.de/",
+                    "role": "Developer"
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+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library for counting the lines of code in PHP source code",
+            "homepage": "https://github.com/sebastianbergmann/lines-of-code",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/lines-of-code/issues",
+                "source": "https://github.com/sebastianbergmann/lines-of-code/tree/1.0.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-28T06:42:11+00:00"
+        },
+        {
+            "name": "sebastian/object-enumerator",
+            "version": "4.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/object-enumerator.git",
+                "reference": "5c9eeac41b290a3712d88851518825ad78f45c71"
+            },
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+                "shasum": ""
+            },
+            "require": {
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+                "sebastian/recursion-context": "^4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Traverses array structures and object graphs to enumerate all referenced objects",
+            "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/object-enumerator/issues",
+                "source": "https://github.com/sebastianbergmann/object-enumerator/tree/4.0.4"
+            },
+            "funding": [
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+                }
+            ],
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+        },
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+                "shasum": ""
+            },
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+            },
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+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Allows reflection of object attributes, including inherited and non-public ones",
+            "homepage": "https://github.com/sebastianbergmann/object-reflector/",
+            "support": {
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+                "source": "https://github.com/sebastianbergmann/object-reflector/tree/2.0.4"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-10-26T13:14:26+00:00"
+        },
+        {
+            "name": "sebastian/recursion-context",
+            "version": "4.0.5",
+            "source": {
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+                "reference": "e75bd0f07204fec2a0af9b0f3cfe97d05f92efc1"
+            },
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+                "reference": "e75bd0f07204fec2a0af9b0f3cfe97d05f92efc1",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Adam Harvey",
+                    "email": "aharvey@php.net"
+                }
+            ],
+            "description": "Provides functionality to recursively process PHP variables",
+            "homepage": "https://github.com/sebastianbergmann/recursion-context",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/recursion-context/issues",
+                "source": "https://github.com/sebastianbergmann/recursion-context/tree/4.0.5"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2023-02-03T06:07:39+00:00"
+        },
+        {
+            "name": "sebastian/resource-operations",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/resource-operations.git",
+                "reference": "0f4443cb3a1d92ce809899753bc0d5d5a8dd19a8"
+            },
+            "dist": {
+                "type": "zip",
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+                "reference": "0f4443cb3a1d92ce809899753bc0d5d5a8dd19a8",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Provides a list of PHP built-in functions that operate on resources",
+            "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/resource-operations/issues",
+                "source": "https://github.com/sebastianbergmann/resource-operations/tree/3.0.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-09-28T06:45:17+00:00"
+        },
+        {
+            "name": "sebastian/type",
+            "version": "3.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/type.git",
+                "reference": "75e2c2a32f5e0b3aef905b9ed0b179b953b3d7c7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/type/zipball/75e2c2a32f5e0b3aef905b9ed0b179b953b3d7c7",
+                "reference": "75e2c2a32f5e0b3aef905b9ed0b179b953b3d7c7",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.2-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Collection of value objects that represent the types of the PHP type system",
+            "homepage": "https://github.com/sebastianbergmann/type",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/type/issues",
+                "source": "https://github.com/sebastianbergmann/type/tree/3.2.1"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2023-02-03T06:13:03+00:00"
+        },
+        {
+            "name": "sebastian/version",
+            "version": "3.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/version.git",
+                "reference": "c6c1022351a901512170118436c764e473f6de8c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/c6c1022351a901512170118436c764e473f6de8c",
+                "reference": "c6c1022351a901512170118436c764e473f6de8c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library that helps with managing the version number of Git-hosted PHP projects",
+            "homepage": "https://github.com/sebastianbergmann/version",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/version/issues",
+                "source": "https://github.com/sebastianbergmann/version/tree/3.0.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-09-28T06:39:44+00:00"
+        },
+        {
+            "name": "symfony/deprecation-contracts",
+            "version": "v3.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/deprecation-contracts.git",
+                "reference": "e2d1534420bd723d0ef5aec58a22c5fe60ce6f5e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/e2d1534420bd723d0ef5aec58a22c5fe60ce6f5e",
+                "reference": "e2d1534420bd723d0ef5aec58a22c5fe60ce6f5e",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "3.3-dev"
+                },
+                "thanks": {
+                    "name": "symfony/contracts",
+                    "url": "https://github.com/symfony/contracts"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "function.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A generic function and convention to trigger deprecation notices",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.2.1"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2023-03-01T10:25:55+00:00"
+        },
+        {
+            "name": "theseer/tokenizer",
+            "version": "1.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/theseer/tokenizer.git",
+                "reference": "34a41e998c2183e22995f158c581e7b5e755ab9e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/34a41e998c2183e22995f158c581e7b5e755ab9e",
+                "reference": "34a41e998c2183e22995f158c581e7b5e755ab9e",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": "^7.2 || ^8.0"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
+            "support": {
+                "issues": "https://github.com/theseer/tokenizer/issues",
+                "source": "https://github.com/theseer/tokenizer/tree/1.2.1"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/theseer",
+                    "type": "github"
+                }
+            ],
+            "time": "2021-07-28T10:34:58+00:00"
+        }
+    ],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {
+        "php": "^7.4 || ^8.0"
+    },
+    "platform-dev": [],
+    "plugin-api-version": "2.3.0"
+}
diff --git a/410977019_0530_HW/env b/410977019_0530_HW/env
new file mode 100644
index 0000000..cb99e19
--- /dev/null
+++ b/410977019_0530_HW/env
@@ -0,0 +1,143 @@
+#--------------------------------------------------------------------
+# Example Environment Configuration file
+#
+# This file can be used as a starting point for your own
+# custom .env files, and contains most of the possible settings
+# available in a default install.
+#
+# By default, all of the settings are commented out. If you want
+# to override the setting, you must un-comment it by removing the '#'
+# at the beginning of the line.
+#--------------------------------------------------------------------
+
+#--------------------------------------------------------------------
+# ENVIRONMENT
+#--------------------------------------------------------------------
+
+# CI_ENVIRONMENT = production
+
+#--------------------------------------------------------------------
+# APP
+#--------------------------------------------------------------------
+
+# app.baseURL = ''
+# If you have trouble with `.`, you could also use `_`.
+# app_baseURL = ''
+# app.forceGlobalSecureRequests = false
+# app.CSPEnabled = false
+
+#--------------------------------------------------------------------
+# DATABASE
+#--------------------------------------------------------------------
+
+# database.default.hostname = localhost
+# database.default.database = ci4
+# database.default.username = root
+# database.default.password = root
+# database.default.DBDriver = MySQLi
+# database.default.DBPrefix =
+# database.default.port = 3306
+
+# database.tests.hostname = localhost
+# database.tests.database = ci4_test
+# database.tests.username = root
+# database.tests.password = root
+# database.tests.DBDriver = MySQLi
+# database.tests.DBPrefix =
+# database.tests.port = 3306
+
+#--------------------------------------------------------------------
+# CONTENT SECURITY POLICY
+#--------------------------------------------------------------------
+
+# contentsecuritypolicy.reportOnly = false
+# contentsecuritypolicy.defaultSrc = 'none'
+# contentsecuritypolicy.scriptSrc = 'self'
+# contentsecuritypolicy.styleSrc = 'self'
+# contentsecuritypolicy.imageSrc = 'self'
+# contentsecuritypolicy.baseURI = null
+# contentsecuritypolicy.childSrc = null
+# contentsecuritypolicy.connectSrc = 'self'
+# contentsecuritypolicy.fontSrc = null
+# contentsecuritypolicy.formAction = null
+# contentsecuritypolicy.frameAncestors = null
+# contentsecuritypolicy.frameSrc = null
+# contentsecuritypolicy.mediaSrc = null
+# contentsecuritypolicy.objectSrc = null
+# contentsecuritypolicy.pluginTypes = null
+# contentsecuritypolicy.reportURI = null
+# contentsecuritypolicy.sandbox = false
+# contentsecuritypolicy.upgradeInsecureRequests = false
+# contentsecuritypolicy.styleNonceTag = '{csp-style-nonce}'
+# contentsecuritypolicy.scriptNonceTag = '{csp-script-nonce}'
+# contentsecuritypolicy.autoNonce = true
+
+#--------------------------------------------------------------------
+# COOKIE
+#--------------------------------------------------------------------
+
+# cookie.prefix = ''
+# cookie.expires = 0
+# cookie.path = '/'
+# cookie.domain = ''
+# cookie.secure = false
+# cookie.httponly = false
+# cookie.samesite = 'Lax'
+# cookie.raw = false
+
+#--------------------------------------------------------------------
+# ENCRYPTION
+#--------------------------------------------------------------------
+
+# encryption.key =
+# encryption.driver = OpenSSL
+# encryption.blockSize = 16
+# encryption.digest = SHA512
+
+#--------------------------------------------------------------------
+# HONEYPOT
+#--------------------------------------------------------------------
+
+# honeypot.hidden = 'true'
+# honeypot.label = 'Fill This Field'
+# honeypot.name = 'honeypot'
+# honeypot.template = '<label>{label}</label><input type="text" name="{name}" value=""/>'
+# honeypot.container = '<div style="display:none">{template}</div>'
+
+#--------------------------------------------------------------------
+# SECURITY
+#--------------------------------------------------------------------
+
+# security.csrfProtection = 'cookie'
+# security.tokenRandomize = false
+# security.tokenName = 'csrf_token_name'
+# security.headerName = 'X-CSRF-TOKEN'
+# security.cookieName = 'csrf_cookie_name'
+# security.expires = 7200
+# security.regenerate = true
+# security.redirect = false
+# security.samesite = 'Lax'
+
+#--------------------------------------------------------------------
+# SESSION
+#--------------------------------------------------------------------
+
+# session.driver = 'CodeIgniter\Session\Handlers\FileHandler'
+# session.cookieName = 'ci_session'
+# session.expiration = 7200
+# session.savePath = null
+# session.matchIP = false
+# session.timeToUpdate = 300
+# session.regenerateDestroy = false
+
+#--------------------------------------------------------------------
+# LOGGER
+#--------------------------------------------------------------------
+
+# logger.threshold = 4
+
+#--------------------------------------------------------------------
+# CURLRequest
+#--------------------------------------------------------------------
+
+# curlrequest.shareOptions = true
diff --git a/410977019_0530_HW/phpunit.xml.dist b/410977019_0530_HW/phpunit.xml.dist
new file mode 100644
index 0000000..62a473a
--- /dev/null
+++ b/410977019_0530_HW/phpunit.xml.dist
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        bootstrap="vendor/codeigniter4/framework/system/Test/bootstrap.php"
+        backupGlobals="false"
+        colors="true"
+        convertErrorsToExceptions="true"
+        convertNoticesToExceptions="true"
+        convertWarningsToExceptions="true"
+        stopOnError="false"
+        stopOnFailure="false"
+        stopOnIncomplete="false"
+        stopOnSkipped="false"
+        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+    <coverage includeUncoveredFiles="true" processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">./app</directory>
+        </include>
+        <exclude>
+            <directory suffix=".php">./app/Views</directory>
+            <file>./app/Config/Routes.php</file>
+        </exclude>
+        <report>
+            <clover outputFile="build/logs/clover.xml"/>
+            <html outputDirectory="build/logs/html"/>
+            <php outputFile="build/logs/coverage.serialized"/>
+            <text outputFile="php://stdout" showUncoveredFiles="false"/>
+        </report>
+    </coverage>
+    <testsuites>
+        <testsuite name="App">
+            <directory>./tests</directory>
+        </testsuite>
+    </testsuites>
+    <logging>
+        <testdoxHtml outputFile="build/logs/testdox.html"/>
+        <testdoxText outputFile="build/logs/testdox.txt"/>
+        <junit outputFile="build/logs/logfile.xml"/>
+    </logging>
+    <php>
+        <server name="app.baseURL" value="http://example.com/"/>
+        <!-- Directory containing phpunit.xml -->
+        <const name="HOMEPATH" value="./"/>
+        <!-- Directory containing the Paths config file -->
+        <const name="CONFIGPATH" value="./app/Config/"/>
+        <!-- Directory containing the front controller (index.php) -->
+        <const name="PUBLICPATH" value="./public/"/>
+        <!-- Database configuration -->
+        <!-- Uncomment to provide your own database for testing
+        <env name="database.tests.hostname" value="localhost"/>
+        <env name="database.tests.database" value="tests"/>
+        <env name="database.tests.username" value="tests_user"/>
+        <env name="database.tests.password" value=""/>
+        <env name="database.tests.DBDriver" value="MySQLi"/>
+        <env name="database.tests.DBPrefix" value="tests_"/>
+        -->
+    </php>
+</phpunit>
diff --git a/410977019_0530_HW/preload.php b/410977019_0530_HW/preload.php
new file mode 100644
index 0000000..63c781c
--- /dev/null
+++ b/410977019_0530_HW/preload.php
@@ -0,0 +1,113 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+/*
+ *---------------------------------------------------------------
+ * Sample file for Preloading
+ *---------------------------------------------------------------
+ * See https://www.php.net/manual/en/opcache.preloading.php
+ *
+ * How to Use:
+ *   0. Copy this file to your project root folder.
+ *   1. Set the $paths property of the preload class below.
+ *   2. Set opcache.preload in php.ini.
+ *     php.ini:
+ *     opcache.preload=/path/to/preload.php
+ */
+
+// Load the paths config file
+require __DIR__ . '/app/Config/Paths.php';
+
+// Path to the front controller
+define('FCPATH', __DIR__ . DIRECTORY_SEPARATOR . 'public' . DIRECTORY_SEPARATOR);
+
+/**
+ * See https://www.php.net/manual/en/function.str-contains.php#126277
+ */
+if (! function_exists('str_contains')) {
+    /**
+     * Polyfill of str_contains()
+     */
+    function str_contains(string $haystack, string $needle): bool
+    {
+        return empty($needle) || strpos($haystack, $needle) !== false;
+    }
+}
+
+class preload
+{
+    /**
+     * @var array Paths to preload.
+     */
+    private array $paths = [
+        [
+            'include' => __DIR__ . '/vendor/codeigniter4/framework/system',
+            'exclude' => [
+                // Not needed if you don't use them.
+                '/system/Database/OCI8/',
+                '/system/Database/Postgre/',
+                '/system/Database/SQLSRV/',
+                // Not needed.
+                '/system/Database/Seeder.php',
+                '/system/Test/',
+                '/system/Language/',
+                '/system/CLI/',
+                '/system/Commands/',
+                '/system/Publisher/',
+                '/system/ComposerScripts.php',
+                '/Views/',
+                // Errors occur.
+                '/system/Config/Routes.php',
+                '/system/ThirdParty/',
+            ],
+        ],
+    ];
+
+    public function __construct()
+    {
+        $this->loadAutoloader();
+    }
+
+    private function loadAutoloader()
+    {
+        $paths = new Config\Paths();
+        require rtrim($paths->systemDirectory, '\\/ ') . DIRECTORY_SEPARATOR . 'bootstrap.php';
+    }
+
+    /**
+     * Load PHP files.
+     */
+    public function load()
+    {
+        foreach ($this->paths as $path) {
+            $directory = new RecursiveDirectoryIterator($path['include']);
+            $fullTree  = new RecursiveIteratorIterator($directory);
+            $phpFiles  = new RegexIterator(
+                $fullTree,
+                '/.+((?<!Test)+\.php$)/i',
+                RecursiveRegexIterator::GET_MATCH
+            );
+
+            foreach ($phpFiles as $key => $file) {
+                foreach ($path['exclude'] as $exclude) {
+                    if (str_contains($file[0], $exclude)) {
+                        continue 2;
+                    }
+                }
+
+                require_once $file[0];
+                echo 'Loaded: ' . $file[0] . "\n";
+            }
+        }
+    }
+}
+
+(new preload())->load();
diff --git a/410977019_0530_HW/public/.htaccess b/410977019_0530_HW/public/.htaccess
new file mode 100644
index 0000000..dbed322
--- /dev/null
+++ b/410977019_0530_HW/public/.htaccess
@@ -0,0 +1,49 @@
+# Disable directory browsing
+Options -Indexes
+
+# ----------------------------------------------------------------------
+# Rewrite engine
+# ----------------------------------------------------------------------
+
+# Turning on the rewrite engine is necessary for the following rules and features.
+# FollowSymLinks must be enabled for this to work.
+<IfModule mod_rewrite.c>
+	Options +FollowSymlinks
+	RewriteEngine On
+
+	# If you installed CodeIgniter in a subfolder, you will need to
+	# change the following line to match the subfolder you need.
+	# http://httpd.apache.org/docs/current/mod/mod_rewrite.html#rewritebase
+	# RewriteBase /
+
+	# Redirect Trailing Slashes...
+	RewriteCond %{REQUEST_FILENAME} !-d
+	RewriteCond %{REQUEST_URI} (.+)/$
+	RewriteRule ^ %1 [L,R=301]
+
+	# Rewrite "www.example.com -> example.com"
+	RewriteCond %{HTTPS} !=on
+	RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]
+	RewriteRule ^ http://%1%{REQUEST_URI} [R=301,L]
+
+	# Checks to see if the user is attempting to access a valid file,
+	# such as an image or css document, if this isn't true it sends the
+	# request to the front controller, index.php
+	RewriteCond %{REQUEST_FILENAME} !-f
+	RewriteCond %{REQUEST_FILENAME} !-d
+	RewriteRule ^([\s\S]*)$ index.php/$1 [L,NC,QSA]
+
+	# Ensure Authorization header is passed along
+	RewriteCond %{HTTP:Authorization} .
+	RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
+</IfModule>
+
+<IfModule !mod_rewrite.c>
+	# If we don't have mod_rewrite installed, all 404's
+	# can be sent to index.php, and everything works as normal.
+	ErrorDocument 404 index.php
+</IfModule>
+
+# Disable server signature start
+	ServerSignature Off
+# Disable server signature end
diff --git a/410977019_0530_HW/public/favicon.ico b/410977019_0530_HW/public/favicon.ico
new file mode 100644
index 0000000..7ecfce2
Binary files /dev/null and b/410977019_0530_HW/public/favicon.ico differ
diff --git a/410977019_0530_HW/public/index.php b/410977019_0530_HW/public/index.php
new file mode 100644
index 0000000..d49672c
--- /dev/null
+++ b/410977019_0530_HW/public/index.php
@@ -0,0 +1,67 @@
+<?php
+
+// Check PHP version.
+$minPhpVersion = '7.4'; // If you update this, don't forget to update `spark`.
+if (version_compare(PHP_VERSION, $minPhpVersion, '<')) {
+    $message = sprintf(
+        'Your PHP version must be %s or higher to run CodeIgniter. Current version: %s',
+        $minPhpVersion,
+        PHP_VERSION
+    );
+
+    exit($message);
+}
+
+// Path to the front controller (this file)
+define('FCPATH', __DIR__ . DIRECTORY_SEPARATOR);
+
+// Ensure the current directory is pointing to the front controller's directory
+chdir(FCPATH);
+
+/*
+ *---------------------------------------------------------------
+ * BOOTSTRAP THE APPLICATION
+ *---------------------------------------------------------------
+ * This process sets up the path constants, loads and registers
+ * our autoloader, along with Composer's, loads our constants
+ * and fires up an environment-specific bootstrapping.
+ */
+
+// Load our paths config file
+// This is the line that might need to be changed, depending on your folder structure.
+require FCPATH . '../app/Config/Paths.php';
+// ^^^ Change this line if you move your application folder
+
+$paths = new Config\Paths();
+
+// Location of the framework bootstrap file.
+require rtrim($paths->systemDirectory, '\\/ ') . DIRECTORY_SEPARATOR . 'bootstrap.php';
+
+// Load environment settings from .env files into $_SERVER and $_ENV
+require_once SYSTEMPATH . 'Config/DotEnv.php';
+(new CodeIgniter\Config\DotEnv(ROOTPATH))->load();
+
+/*
+ * ---------------------------------------------------------------
+ * GRAB OUR CODEIGNITER INSTANCE
+ * ---------------------------------------------------------------
+ *
+ * The CodeIgniter class contains the core functionality to make
+ * the application run, and does all the dirty work to get
+ * the pieces all working together.
+ */
+
+$app = Config\Services::codeigniter();
+$app->initialize();
+$context = is_cli() ? 'php-cli' : 'web';
+$app->setContext($context);
+
+/*
+ *---------------------------------------------------------------
+ * LAUNCH THE APPLICATION
+ *---------------------------------------------------------------
+ * Now that everything is set up, it's time to actually fire
+ * up the engines and make this app do its thang.
+ */
+
+$app->run();
diff --git a/410977019_0530_HW/public/robots.txt b/410977019_0530_HW/public/robots.txt
new file mode 100644
index 0000000..9e60f97
--- /dev/null
+++ b/410977019_0530_HW/public/robots.txt
@@ -0,0 +1,2 @@
+User-agent: *
+Disallow: 
diff --git a/410977019_0530_HW/spark b/410977019_0530_HW/spark
new file mode 100644
index 0000000..f2ba3f3
--- /dev/null
+++ b/410977019_0530_HW/spark
@@ -0,0 +1,99 @@
+#!/usr/bin/env php
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+/*
+ * --------------------------------------------------------------------
+ * CodeIgniter command-line tools
+ * --------------------------------------------------------------------
+ * The main entry point into the CLI system and allows you to run
+ * commands and perform maintenance on your application.
+ *
+ * Because CodeIgniter can handle CLI requests as just another web request
+ * this class mainly acts as a passthru to the framework itself.
+ */
+
+// Refuse to run when called from php-cgi
+if (strpos(PHP_SAPI, 'cgi') === 0) {
+    exit("The cli tool is not supported when running php-cgi. It needs php-cli to function!\n\n");
+}
+
+// Check PHP version.
+$minPhpVersion = '7.4'; // If you update this, don't forget to update `public/index.php`.
+if (version_compare(PHP_VERSION, $minPhpVersion, '<')) {
+    $message = sprintf(
+        'Your PHP version must be %s or higher to run CodeIgniter. Current version: %s',
+        $minPhpVersion,
+        PHP_VERSION
+    );
+
+    exit($message);
+}
+
+// We want errors to be shown when using it from the CLI.
+error_reporting(-1);
+ini_set('display_errors', '1');
+
+/**
+ * @var bool
+ *
+ * @deprecated No longer in use. `CodeIgniter` has `$context` property.
+ */
+define('SPARKED', true);
+
+// Path to the front controller
+define('FCPATH', __DIR__ . DIRECTORY_SEPARATOR . 'public' . DIRECTORY_SEPARATOR);
+
+// Ensure the current directory is pointing to the front controller's directory
+chdir(FCPATH);
+
+/*
+ *---------------------------------------------------------------
+ * BOOTSTRAP THE APPLICATION
+ *---------------------------------------------------------------
+ * This process sets up the path constants, loads and registers
+ * our autoloader, along with Composer's, loads our constants
+ * and fires up an environment-specific bootstrapping.
+ */
+
+// Load our paths config file
+// This is the line that might need to be changed, depending on your folder structure.
+require FCPATH . '../app/Config/Paths.php';
+// ^^^ Change this line if you move your application folder
+
+$paths = new Config\Paths();
+
+// Location of the framework bootstrap file.
+require rtrim($paths->systemDirectory, '\\/ ') . DIRECTORY_SEPARATOR . 'bootstrap.php';
+
+// Load environment settings from .env files into $_SERVER and $_ENV
+require_once SYSTEMPATH . 'Config/DotEnv.php';
+(new CodeIgniter\Config\DotEnv(ROOTPATH))->load();
+
+// Grab our CodeIgniter
+$app = Config\Services::codeigniter();
+$app->initialize();
+
+// Grab our Console
+$console = new CodeIgniter\CLI\Console();
+
+// Show basic information before we do anything else.
+if (is_int($suppress = array_search('--no-header', $_SERVER['argv'], true))) {
+    unset($_SERVER['argv'][$suppress]); // @codeCoverageIgnore
+    $suppress = true;
+}
+
+$console->showHeader($suppress);
+
+// fire off the command in the main framework.
+$exit = $console->run();
+
+exit(is_int($exit) ? $exit : EXIT_SUCCESS);
diff --git a/410977019_0530_HW/tests/README.md b/410977019_0530_HW/tests/README.md
new file mode 100644
index 0000000..473d0f8
--- /dev/null
+++ b/410977019_0530_HW/tests/README.md
@@ -0,0 +1,122 @@
+# Running Application Tests
+
+This is the quick-start to CodeIgniter testing. Its intent is to describe what
+it takes to set up your application and get it ready to run unit tests.
+It is not intended to be a full description of the test features that you can
+use to test your application. Those details can be found in the documentation.
+
+## Resources
+
+* [CodeIgniter 4 User Guide on Testing](https://codeigniter4.github.io/userguide/testing/index.html)
+* [PHPUnit docs](https://phpunit.de/documentation.html)
+* [Any tutorials on Unit testing in CI4?](https://forum.codeigniter.com/showthread.php?tid=81830)
+
+## Requirements
+
+It is recommended to use the latest version of PHPUnit. At the time of this
+writing we are running version 9.x. Support for this has been built into the
+**composer.json** file that ships with CodeIgniter and can easily be installed
+via [Composer](https://getcomposer.org/) if you don't already have it installed globally.
+
+```console
+> composer install
+```
+
+If running under macOS or Linux, you can create a symbolic link to make running tests a touch nicer.
+
+```console
+> ln -s ./vendor/bin/phpunit ./phpunit
+```
+
+You also need to install [XDebug](https://xdebug.org/docs/install) in order
+for code coverage to be calculated successfully. After installing `XDebug`, you must add `xdebug.mode=coverage` in the **php.ini** file to enable code coverage.
+
+## Setting Up
+
+A number of the tests use a running database.
+In order to set up the database edit the details for the `tests` group in
+**app/Config/Database.php** or **phpunit.xml**.
+Make sure that you provide a database engine that is currently running on your machine.
+More details on a test database setup are in the
+[Testing Your Database](https://codeigniter4.github.io/userguide/testing/database.html) section of the documentation.
+
+## Running the tests
+
+The entire test suite can be run by simply typing one command-line command from the main directory.
+
+```console
+> ./phpunit
+```
+
+If you are using Windows, use the following command.
+
+```console
+> vendor\bin\phpunit
+```
+
+You can limit tests to those within a single test directory by specifying the
+directory name after phpunit.
+
+```console
+> ./phpunit app/Models
+```
+
+## Generating Code Coverage
+
+To generate coverage information, including HTML reports you can view in your browser,
+you can use the following command:
+
+```console
+> ./phpunit --colors --coverage-text=tests/coverage.txt --coverage-html=tests/coverage/ -d memory_limit=1024m
+```
+
+This runs all of the tests again collecting information about how many lines,
+functions, and files are tested. It also reports the percentage of the code that is covered by tests.
+It is collected in two formats: a simple text file that provides an overview as well
+as a comprehensive collection of HTML files that show the status of every line of code in the project.
+
+The text file can be found at **tests/coverage.txt**.
+The HTML files can be viewed by opening **tests/coverage/index.html** in your favorite browser.
+
+## PHPUnit XML Configuration
+
+The repository has a ``phpunit.xml.dist`` file in the project root that's used for
+PHPUnit configuration. This is used to provide a default configuration if you
+do not have your own configuration file in the project root.
+
+The normal practice would be to copy ``phpunit.xml.dist`` to ``phpunit.xml``
+(which is git ignored), and to tailor it as you see fit.
+For instance, you might wish to exclude database tests, or automatically generate
+HTML code coverage reports.
+
+## Test Cases
+
+Every test needs a *test case*, or class that your tests extend. CodeIgniter 4
+provides a few that you may use directly:
+* `CodeIgniter\Test\CIUnitTestCase` - for basic tests with no other service needs
+* `CodeIgniter\Test\DatabaseTestTrait` - for tests that need database access
+
+Most of the time you will want to write your own test cases to hold functions and services
+common to your test suites.
+
+## Creating Tests
+
+All tests go in the **tests/** directory. Each test file is a class that extends a
+**Test Case** (see above) and contains methods for the individual tests. These method
+names must start with the word "test" and should have descriptive names for precisely what
+they are testing:
+`testUserCanModifyFile()` `testOutputColorMatchesInput()` `testIsLoggedInFailsWithInvalidUser()`
+
+Writing tests is an art, and there are many resources available to help learn how.
+Review the links above and always pay attention to your code coverage.
+
+### Database Tests
+
+Tests can include migrating, seeding, and testing against a mock or live<sup>1</sup> database.
+Be sure to modify the test case (or create your own) to point to your seed and migrations
+and include any additional steps to be run before tests in the `setUp()` method.
+
+<sup>1</sup> Note: If you are using database tests that require a live database connection
+you will need to rename **phpunit.xml.dist** to **phpunit.xml**, uncomment the database
+configuration lines and add your connection details. Prevent **phpunit.xml** from being
+tracked in your repo by adding it to **.gitignore**.
diff --git a/410977019_0530_HW/tests/_support/Database/Migrations/2020-02-22-222222_example_migration.php b/410977019_0530_HW/tests/_support/Database/Migrations/2020-02-22-222222_example_migration.php
new file mode 100644
index 0000000..2bbdcfe
--- /dev/null
+++ b/410977019_0530_HW/tests/_support/Database/Migrations/2020-02-22-222222_example_migration.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace Tests\Support\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class ExampleMigration extends Migration
+{
+    protected $DBGroup = 'tests';
+
+    public function up()
+    {
+        $this->forge->addField('id');
+        $this->forge->addField([
+            'name'       => ['type' => 'varchar', 'constraint' => 31],
+            'uid'        => ['type' => 'varchar', 'constraint' => 31],
+            'class'      => ['type' => 'varchar', 'constraint' => 63],
+            'icon'       => ['type' => 'varchar', 'constraint' => 31],
+            'summary'    => ['type' => 'varchar', 'constraint' => 255],
+            'created_at' => ['type' => 'datetime', 'null' => true],
+            'updated_at' => ['type' => 'datetime', 'null' => true],
+            'deleted_at' => ['type' => 'datetime', 'null' => true],
+        ]);
+
+        $this->forge->addKey('name');
+        $this->forge->addKey('uid');
+        $this->forge->addKey(['deleted_at', 'id']);
+        $this->forge->addKey('created_at');
+
+        $this->forge->createTable('factories');
+    }
+
+    public function down()
+    {
+        $this->forge->dropTable('factories');
+    }
+}
diff --git a/410977019_0530_HW/tests/_support/Database/Seeds/ExampleSeeder.php b/410977019_0530_HW/tests/_support/Database/Seeds/ExampleSeeder.php
new file mode 100644
index 0000000..f67bf8f
--- /dev/null
+++ b/410977019_0530_HW/tests/_support/Database/Seeds/ExampleSeeder.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace Tests\Support\Database\Seeds;
+
+use CodeIgniter\Database\Seeder;
+
+class ExampleSeeder extends Seeder
+{
+    public function run()
+    {
+        $factories = [
+            [
+                'name'    => 'Test Factory',
+                'uid'     => 'test001',
+                'class'   => 'Factories\Tests\NewFactory',
+                'icon'    => 'fas fa-puzzle-piece',
+                'summary' => 'Longer sample text for testing',
+            ],
+            [
+                'name'    => 'Widget Factory',
+                'uid'     => 'widget',
+                'class'   => 'Factories\Tests\WidgetPlant',
+                'icon'    => 'fas fa-puzzle-piece',
+                'summary' => 'Create widgets in your factory',
+            ],
+            [
+                'name'    => 'Evil Factory',
+                'uid'     => 'evil-maker',
+                'class'   => 'Factories\Evil\MyFactory',
+                'icon'    => 'fas fa-book-dead',
+                'summary' => 'Abandon all hope, ye who enter here',
+            ],
+        ];
+
+        $builder = $this->db->table('factories');
+
+        foreach ($factories as $factory) {
+            $builder->insert($factory);
+        }
+    }
+}
diff --git a/410977019_0530_HW/tests/_support/Libraries/ConfigReader.php b/410977019_0530_HW/tests/_support/Libraries/ConfigReader.php
new file mode 100644
index 0000000..40d057a
--- /dev/null
+++ b/410977019_0530_HW/tests/_support/Libraries/ConfigReader.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Tests\Support\Libraries;
+
+/**
+ * Class ConfigReader
+ *
+ * An extension of BaseConfig that prevents the constructor from
+ * loading external values. Used to read actual local values from
+ * a config file.
+ */
+class ConfigReader extends \Config\App
+{
+    public function __construct()
+    {
+    }
+}
diff --git a/410977019_0530_HW/tests/_support/Models/ExampleModel.php b/410977019_0530_HW/tests/_support/Models/ExampleModel.php
new file mode 100644
index 0000000..f0687e9
--- /dev/null
+++ b/410977019_0530_HW/tests/_support/Models/ExampleModel.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Tests\Support\Models;
+
+use CodeIgniter\Model;
+
+class ExampleModel extends Model
+{
+    protected $table          = 'factories';
+    protected $primaryKey     = 'id';
+    protected $returnType     = 'object';
+    protected $useSoftDeletes = false;
+    protected $allowedFields  = [
+        'name',
+        'uid',
+        'class',
+        'icon',
+        'summary',
+    ];
+    protected $useTimestamps      = true;
+    protected $validationRules    = [];
+    protected $validationMessages = [];
+    protected $skipValidation     = false;
+}
diff --git a/410977019_0530_HW/tests/database/ExampleDatabaseTest.php b/410977019_0530_HW/tests/database/ExampleDatabaseTest.php
new file mode 100644
index 0000000..400fd24
--- /dev/null
+++ b/410977019_0530_HW/tests/database/ExampleDatabaseTest.php
@@ -0,0 +1,46 @@
+<?php
+
+use CodeIgniter\Test\CIUnitTestCase;
+use CodeIgniter\Test\DatabaseTestTrait;
+use Tests\Support\Database\Seeds\ExampleSeeder;
+use Tests\Support\Models\ExampleModel;
+
+/**
+ * @internal
+ */
+final class ExampleDatabaseTest extends CIUnitTestCase
+{
+    use DatabaseTestTrait;
+
+    protected $seed = ExampleSeeder::class;
+
+    public function testModelFindAll()
+    {
+        $model = new ExampleModel();
+
+        // Get every row created by ExampleSeeder
+        $objects = $model->findAll();
+
+        // Make sure the count is as expected
+        $this->assertCount(3, $objects);
+    }
+
+    public function testSoftDeleteLeavesRow()
+    {
+        $model = new ExampleModel();
+        $this->setPrivateProperty($model, 'useSoftDeletes', true);
+        $this->setPrivateProperty($model, 'tempUseSoftDeletes', true);
+
+        /** @var stdClass $object */
+        $object = $model->first();
+        $model->delete($object->id);
+
+        // The model should no longer find it
+        $this->assertNull($model->find($object->id));
+
+        // ... but it should still be in the database
+        $result = $model->builder()->where('id', $object->id)->get()->getResult();
+
+        $this->assertCount(1, $result);
+    }
+}
diff --git a/410977019_0530_HW/tests/index-1.html b/410977019_0530_HW/tests/index-1.html
new file mode 100644
index 0000000..912e2fc
--- /dev/null
+++ b/410977019_0530_HW/tests/index-1.html
@@ -0,0 +1,103 @@
+<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title>未知 </title></head><body>
+<h1 id="running-application-tests">Running Application Tests</h1>
+<p>This is the quick-start to CodeIgniter testing. Its intent is to describe what
+it takes to set up your application and get it ready to run unit tests.
+It is not intended to be a full description of the test features that you can
+use to test your application. Those details can be found in the documentation.</p>
+<h2 id="resources">Resources</h2>
+<ul>
+<li><a href="https://codeigniter4.github.io/userguide/testing/index.html">CodeIgniter 4 User Guide on Testing</a></li>
+<li><a href="https://phpunit.de/documentation.html">PHPUnit docs</a></li>
+<li><a href="https://forum.codeigniter.com/showthread.php?tid=81830">Any tutorials on Unit testing in CI4?</a></li>
+</ul>
+<h2 id="requirements">Requirements</h2>
+<p>It is recommended to use the latest version of PHPUnit. At the time of this
+writing we are running version 9.x. Support for this has been built into the
+<strong>composer.json</strong> file that ships with CodeIgniter and can easily be installed
+via <a href="https://getcomposer.org/">Composer</a> if you don't already have it installed globally.</p>
+<p>```console</p>
+<blockquote>
+<p>composer install
+```</p>
+</blockquote>
+<p>If running under macOS or Linux, you can create a symbolic link to make running tests a touch nicer.</p>
+<p>```console</p>
+<blockquote>
+<p>ln -s ./vendor/bin/phpunit ./phpunit
+```</p>
+</blockquote>
+<p>You also need to install <a href="https://xdebug.org/docs/install">XDebug</a> in order
+for code coverage to be calculated successfully. After installing <code>XDebug</code>, you must add <code>xdebug.mode=coverage</code> in the <strong>php.ini</strong> file to enable code coverage.</p>
+<h2 id="setting-up">Setting Up</h2>
+<p>A number of the tests use a running database.
+In order to set up the database edit the details for the <code>tests</code> group in
+<strong>app/Config/Database.php</strong> or <strong>phpunit.xml</strong>.
+Make sure that you provide a database engine that is currently running on your machine.
+More details on a test database setup are in the
+<a href="https://codeigniter4.github.io/userguide/testing/database.html">Testing Your Database</a> section of the documentation.</p>
+<h2 id="running-the-tests">Running the tests</h2>
+<p>The entire test suite can be run by simply typing one command-line command from the main directory.</p>
+<p>```console</p>
+<blockquote>
+<p>./phpunit
+```</p>
+</blockquote>
+<p>If you are using Windows, use the following command.</p>
+<p>```console</p>
+<blockquote>
+<p>vendor\bin\phpunit
+```</p>
+</blockquote>
+<p>You can limit tests to those within a single test directory by specifying the
+directory name after phpunit.</p>
+<p>```console</p>
+<blockquote>
+<p>./phpunit app/Models
+```</p>
+</blockquote>
+<h2 id="generating-code-coverage">Generating Code Coverage</h2>
+<p>To generate coverage information, including HTML reports you can view in your browser,
+you can use the following command:</p>
+<p>```console</p>
+<blockquote>
+<p>./phpunit --colors --coverage-text=tests/coverage.txt --coverage-html=tests/coverage/ -d memory_limit=1024m
+```</p>
+</blockquote>
+<p>This runs all of the tests again collecting information about how many lines,
+functions, and files are tested. It also reports the percentage of the code that is covered by tests.
+It is collected in two formats: a simple text file that provides an overview as well
+as a comprehensive collection of HTML files that show the status of every line of code in the project.</p>
+<p>The text file can be found at <strong>tests/coverage.txt</strong>.
+The HTML files can be viewed by opening <strong>tests/coverage/index.html</strong> in your favorite browser.</p>
+<h2 id="phpunit-xml-configuration">PHPUnit XML Configuration</h2>
+<p>The repository has a <code>phpunit.xml.dist</code> file in the project root that's used for
+PHPUnit configuration. This is used to provide a default configuration if you
+do not have your own configuration file in the project root.</p>
+<p>The normal practice would be to copy <code>phpunit.xml.dist</code> to <code>phpunit.xml</code>
+(which is git ignored), and to tailor it as you see fit.
+For instance, you might wish to exclude database tests, or automatically generate
+HTML code coverage reports.</p>
+<h2 id="test-cases">Test Cases</h2>
+<p>Every test needs a <em>test case</em>, or class that your tests extend. CodeIgniter 4
+provides a few that you may use directly:
+<em> <code>CodeIgniter\Test\CIUnitTestCase</code> - for basic tests with no other service needs
+</em> <code>CodeIgniter\Test\DatabaseTestTrait</code> - for tests that need database access</p>
+<p>Most of the time you will want to write your own test cases to hold functions and services
+common to your test suites.</p>
+<h2 id="creating-tests">Creating Tests</h2>
+<p>All tests go in the <strong>tests/</strong> directory. Each test file is a class that extends a
+<strong>Test Case</strong> (see above) and contains methods for the individual tests. These method
+names must start with the word "test" and should have descriptive names for precisely what
+they are testing:
+<code>testUserCanModifyFile()</code> <code>testOutputColorMatchesInput()</code> <code>testIsLoggedInFailsWithInvalidUser()</code></p>
+<p>Writing tests is an art, and there are many resources available to help learn how.
+Review the links above and always pay attention to your code coverage.</p>
+<h3 id="database-tests">Database Tests</h3>
+<p>Tests can include migrating, seeding, and testing against a mock or live<sup>1</sup> database.
+Be sure to modify the test case (or create your own) to point to your seed and migrations
+and include any additional steps to be run before tests in the <code>setUp()</code> method.</p>
+<p><sup>1</sup> Note: If you are using database tests that require a live database connection
+you will need to rename <strong>phpunit.xml.dist</strong> to <strong>phpunit.xml</strong>, uncomment the database
+configuration lines and add your connection details. Prevent <strong>phpunit.xml</strong> from being
+tracked in your repo by adding it to <strong>.gitignore</strong>.</p>
+</body></html>
\ No newline at end of file
diff --git a/410977019_0530_HW/tests/session/ExampleSessionTest.php b/410977019_0530_HW/tests/session/ExampleSessionTest.php
new file mode 100644
index 0000000..98fe7af
--- /dev/null
+++ b/410977019_0530_HW/tests/session/ExampleSessionTest.php
@@ -0,0 +1,18 @@
+<?php
+
+use CodeIgniter\Test\CIUnitTestCase;
+use Config\Services;
+
+/**
+ * @internal
+ */
+final class ExampleSessionTest extends CIUnitTestCase
+{
+    public function testSessionSimple()
+    {
+        $session = Services::session();
+
+        $session->set('logged_in', 123);
+        $this->assertSame(123, $session->get('logged_in'));
+    }
+}
diff --git a/410977019_0530_HW/tests/unit/HealthTest.php b/410977019_0530_HW/tests/unit/HealthTest.php
new file mode 100644
index 0000000..ab3e2aa
--- /dev/null
+++ b/410977019_0530_HW/tests/unit/HealthTest.php
@@ -0,0 +1,50 @@
+<?php
+
+use CodeIgniter\Test\CIUnitTestCase;
+use Config\App;
+use Config\Services;
+use Tests\Support\Libraries\ConfigReader;
+
+/**
+ * @internal
+ */
+final class HealthTest extends CIUnitTestCase
+{
+    public function testIsDefinedAppPath()
+    {
+        $this->assertTrue(defined('APPPATH'));
+    }
+
+    public function testBaseUrlHasBeenSet()
+    {
+        $validation = Services::validation();
+
+        $env = false;
+
+        // Check the baseURL in .env
+        if (is_file(HOMEPATH . '.env')) {
+            $env = preg_grep('/^app\.baseURL = ./', file(HOMEPATH . '.env')) !== false;
+        }
+
+        if ($env) {
+            // BaseURL in .env is a valid URL?
+            // phpunit.xml.dist sets app.baseURL in $_SERVER
+            // So if you set app.baseURL in .env, it takes precedence
+            $config = new App();
+            $this->assertTrue(
+                $validation->check($config->baseURL, 'valid_url'),
+                'baseURL "' . $config->baseURL . '" in .env is not valid URL'
+            );
+        }
+
+        // Get the baseURL in app/Config/App.php
+        // You can't use Config\App, because phpunit.xml.dist sets app.baseURL
+        $reader = new ConfigReader();
+
+        // BaseURL in app/Config/App.php is a valid URL?
+        $this->assertTrue(
+            $validation->check($reader->baseURL, 'valid_url'),
+            'baseURL "' . $reader->baseURL . '" in app/Config/App.php is not valid URL'
+        );
+    }
+}
diff --git a/410977019_0530_HW/writable/.htaccess b/410977019_0530_HW/writable/.htaccess
new file mode 100644
index 0000000..f24db0a
--- /dev/null
+++ b/410977019_0530_HW/writable/.htaccess
@@ -0,0 +1,6 @@
+<IfModule authz_core_module>
+    Require all denied
+</IfModule>
+<IfModule !authz_core_module>
+    Deny from all
+</IfModule>
diff --git a/410977019_0530_HW/writable/cache/index.html b/410977019_0530_HW/writable/cache/index.html
new file mode 100644
index 0000000..b702fbc
--- /dev/null
+++ b/410977019_0530_HW/writable/cache/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html>
diff --git a/410977019_0530_HW/writable/logs/index.html b/410977019_0530_HW/writable/logs/index.html
new file mode 100644
index 0000000..b702fbc
--- /dev/null
+++ b/410977019_0530_HW/writable/logs/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html>
diff --git a/410977019_0530_HW/writable/session/index.html b/410977019_0530_HW/writable/session/index.html
new file mode 100644
index 0000000..b702fbc
--- /dev/null
+++ b/410977019_0530_HW/writable/session/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html>
diff --git a/410977019_0530_HW/writable/uploads/index.html b/410977019_0530_HW/writable/uploads/index.html
new file mode 100644
index 0000000..b702fbc
--- /dev/null
+++ b/410977019_0530_HW/writable/uploads/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html>