pmpro-signup-shortcode.php

<?php
/**
 * Plugin Name: Paid Memberships Pro - Signup Shortcode & Block
 * Plugin URI: https://www.paidmembershipspro.com/add-ons/pmpro-signup-shortcode/
 * Description: Embed signup forms anywhere on your WordPress site. Designed to simplify membership registration, especially for free levels.
 * Version: 1.2
 * Author: Paid Memberships Pro
 * Author URI: https://www.paidmembershipspro.com
 * Text Domain: pmpro-signup-shortcode
 * Domain Path: /languages
 * License: GPL-3.0
*/

/**
 * Load the languages folder for translations.
 */
function pmprosus_load_textdomain(){
	load_plugin_textdomain( 'pmpro-signup-shortcode', false, basename( dirname( __FILE__ ) ) . '/languages' );
}
add_action( 'plugins_loaded', 'pmprosus_load_textdomain' );

/*
	Use Email Address as Username and Generate a Password
*/
function pmprosus_skip_username_password() {

	// Copy email to username if no username field is present
	if ( ! empty( $_REQUEST['bemail'] ) && ! isset( $_REQUEST['username'] ) ) {
		$_REQUEST['username'] = function_exists( 'pmpro_generateUsername' ) ? pmpro_generateUsername( '', '', sanitize_email( $_REQUEST['bemail'] ) ) : sanitize_email( $_REQUEST['bemail'] );
	}

	if ( ! empty( $_POST['bemail'] ) && ! isset( $_POST['username'] ) ) {
		$_POST['username'] = sanitize_email( $_POST['bemail'] );
	}

	if ( ! empty( $_GET['bemail'] ) && ! isset( $_GET['username'] ) ) {
		$_GET['username'] = sanitize_email( $_GET['bemail'] );
	}

	// Autogenerate password if no field is present.
	if ( ! empty( $_REQUEST['bemail'] ) && ! isset( $_REQUEST['password'] ) && ! is_user_logged_in() ) {
		// Generate password.
		$_REQUEST['password'] = wp_generate_password();
		$_REQUEST['password2'] = $_REQUEST['password'];

		if ( function_exists( 'pmpro_start_session' ) ) {
			pmpro_start_session();
		}

		$_SESSION['pmprosus_autogenerated_password'] = $_REQUEST['password'];
	}

	if ( ! empty( $_POST['bemail'] ) && ! isset( $_POST['password'] ) && ! is_user_logged_in() ) {
		$_POST['password'] = wp_generate_password();
		$_POST['password2'] = $_POST['password'];
	}

	if ( ! empty( $_GET['bemail'] ) && ! isset( $_GET['password'] ) && ! is_user_logged_in() ) {
		$_GET['password'] = wp_generate_password();
		$_GET['password2'] = $_GET['password'];
	}
}
add_action( 'init', 'pmprosus_skip_username_password' );


/*
	Add password to confirmation email if it was autogenerated
*/
function pmprosus_pmpro_email_data($data, $email) {
	if ( function_exists( 'pmpro_start_session' ) ) {
		pmpro_start_session();
	}

	// Include the generated password in the confirmation email.
	if ( ! empty( $_SESSION['pmprosus_autogenerated_password'] ) && strpos( $email->template, 'checkout_' ) !== false ) {
		$data['user_email'] = sprintf(
			/* translators: 1: Password, 2: Email */
			__('Password: %1$s Email: %2$s', 'pmpro-signup-shortcode'),
			sanitize_text_field( $_SESSION['pmprosus_autogenerated_password'] ),
			esc_html( $data['user_email'] )
		);

		// Clear session variable
		unset( $_SESSION['pmprosus_autogenerated_password'] );
	}

	return $data;
}
add_filter('pmpro_email_data', 'pmprosus_pmpro_email_data', 10, 2);

/*
	Make sure we load our version of the shortcode instead of the one bundled in Register Helper.
*/
function pmprosus_load_shortcode() {
	remove_shortcode('pmpro_signup');
	add_shortcode('pmpro_signup', 'pmprosus_signup_shortcode');
}
add_action('init', 'pmprosus_load_shortcode');

/*
	Save referrer to session
*/
function pmprosus_init_referrer() {
	if(!empty($_REQUEST['pmprosus_referrer'])) {
		$_SESSION['pmprosus_referrer'] = $_REQUEST['pmprosus_referrer'];
		$_SESSION['pmprosus_redirect_to'] = $_REQUEST['redirect_to'];
	}
}
add_action('init', 'pmprosus_init_referrer');

/*
	Redirect to referrer if set.
*/
function pmprosus_pmpro_confirmation_url($url, $user_id, $level) {
	global $post;

	//figure out referrer
	if(!empty($_REQUEST['pmprosus_referrer']))
		$referrer = sanitize_url( $_REQUEST['pmprosus_referrer'] );
	elseif(!empty($_SESSION['pmprosus_referrer']))
		$referrer = sanitize_url( $_SESSION['pmprosus_referrer'] );
	else
		$referrer = '';

	//figure out redirect_to
	if(!empty($_REQUEST['redirect_to']))
		$redirect = sanitize_url( $_REQUEST['redirect_to'] );
	elseif(!empty($_SESSION['pmprosus_redirect_to']))
		$redirect = sanitize_url( $_SESSION['pmprosus_redirect_to'] );
	else
		$redirect = '';

	//unset session vars
	unset($_SESSION['pmprosus_referrer']);
	unset($_SESSION['pmprosus_redirect_to']);

	//save referrer to user meta
	update_user_meta($user_id, 'pmprosus_referrer', $referrer );

	//change confirmation URL to redirect if set
	if($redirect) {
		$url = $redirect;
	}

	return $url;
}
add_filter('pmpro_confirmation_url', 'pmprosus_pmpro_confirmation_url', 10, 3);

/*
	This shortcode will show a signup form with account fields based on attributes.

	If the level is not free, the user will be taken to the membership checkout
	page to enter billing information.
*/
function pmprosus_signup_shortcode( $atts, $content=null, $code="" ) {
	global $current_user, $pmpro_level, $username, $email, $pmpro_pages;

	// $atts    ::= array of attributes
	// $content ::= text within enclosing form of shortcode element
	// $code    ::= the shortcode found, when == callback name
	// examples: [pmpro_signup level="3" short="1" intro="0" submit_button="Signup Now"]

	//make sure PMPro is activated
	if ( ! function_exists( 'pmpro_getLevel' ) ) {
		return esc_html__( 'Paid Memberships Pro must be installed to use the pmpro_signup shortcode.', 'pmpro-signup-shortcode' );
	}

	//set defaults
	extract(shortcode_atts(array(
		'intro' => "0",
		'hidelabels' => NULL,
		'level' => NULL,
		'login' => true,
		'redirect' => NULL,
		'short' => NULL,
		'submit_button' => __( "Sign Up Now", "pmpro-signup-shortcode" ),
		'title' => NULL,
		'custom_fields' => true,
		'confirm_email' => true,
		'confirm_password' => true,
		'levels' => NULL,
	), $atts));

	// If there is a current level in global, save it to a backup variable.
	$pmpro_level_backup = $pmpro_level;

	// Filters the $title value to allow either dynamic or static titles. Note: Returns string if it's a string.
	$title_display = filter_var( $title, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE );
	$login = filter_var( $login, FILTER_VALIDATE_BOOLEAN );
	$custom_fields = filter_var( $custom_fields, FILTER_VALIDATE_BOOLEAN );
	$confirm_email = filter_var( $confirm_email, FILTER_VALIDATE_BOOLEAN );
	$confirm_password = filter_var( $confirm_password, FILTER_VALIDATE_BOOLEAN );
	$intro = pmprosus_filter_bool_or_string( $intro );
	$short = pmprosus_filter_bool_or_string( $short );
	$hidelabels = filter_var( $hidelabels, FILTER_VALIDATE_BOOLEAN );
	$levels = is_null( $levels ) ? null : sanitize_text_field( $levels );
	if ( $levels === '' ) {
		$levels = null;
	}

	// Build the list of levels for multi-level mode and identify which ones the current user already holds.
	$pmpro_levels = array();
	$held_level_ids = array();
	if ( $levels !== null ) {
		$all_levels = pmpro_sort_levels_by_order( pmpro_getAllLevels( false, true ) );
		$all_levels = apply_filters( 'pmpro_levels_array', $all_levels );

		if ( $levels === 'all' ) {
			$pmpro_levels = $all_levels;
		} else {
			$level_ids = array_map( 'intval', array_map( 'trim', explode( ',', $levels ) ) );
			foreach ( $all_levels as $a_level ) {
				if ( in_array( (int) $a_level->id, $level_ids, true ) ) {
					$pmpro_levels[] = $a_level;
				}
			}
		}

		// If the list collapses to a single level, fall back to single-level mode and let the rest of the function handle it.
		if ( count( $pmpro_levels ) === 1 ) {
			$level = (int) $pmpro_levels[0]->id;
			$levels = null;
			$pmpro_levels = array();
		} elseif ( ! empty( $pmpro_levels ) ) {
			if ( ! empty( $current_user->ID ) ) {
				foreach ( $pmpro_levels as $a_level ) {
					if ( pmpro_hasMembershipLevel( $a_level->id, $current_user->ID ) ) {
						$held_level_ids[] = (int) $a_level->id;
					}
				}
			}

			// Choose the default-selected level: prefer the requested $level if it is in the list and not held; otherwise the first non-held level.
			$requested_level = ! empty( $level ) ? (int) $level : 0;
			$level = 0;
			if ( $requested_level ) {
				foreach ( $pmpro_levels as $a_level ) {
					if ( (int) $a_level->id === $requested_level && ! in_array( $requested_level, $held_level_ids, true ) ) {
						$level = $requested_level;
						break;
					}
				}
			}
			if ( empty( $level ) ) {
				foreach ( $pmpro_levels as $a_level ) {
					if ( ! in_array( (int) $a_level->id, $held_level_ids, true ) ) {
						$level = (int) $a_level->id;
						break;
					}
				}
			}
		}
	}

	// Should we display the default title if $title is true.
	if ( $title_display === true ) {
		if ( $levels !== null ) {
			// Multi-level mode: suppress the auto-built "Register For X" title. Custom title strings ($title_display === null) bypass this block entirely and render unchanged.
			$title = '';
		} elseif ( ! empty( $level ) ) {
			$title = 'Register For ' . pmpro_getLevel( $level )->name;
		} else {
			$title = 'Register For ' . get_option( 'blogname' );
		}
	} elseif ( $title_display === false ) {
		$title = '';
	}

	// Set the level for this signup shortcode so level-specific checkout fields appear. Get the first level if no level is specified to use.
	if ( ! empty( $level ) ) {
		$pmpro_level = pmpro_getLevel( $level );
	}

	// Get field values from URL or user.
	if ( isset( $_REQUEST['username'] ) ) {
		$username = sanitize_user( stripslashes( $_REQUEST['username'] ) );
	} elseif ( is_user_logged_in() ) {
		$username = $current_user->user_login;
	} else {
		$username = '';
	}

	// Get email value from URL or user.
	if ( isset ( $_REQUEST['email'] ) ) {
		$bemail = sanitize_email( stripslashes( $_REQUEST['email'] ) );
	} elseif ( is_user_logged_in() ) {
		$bemail = $current_user->user_email;
	} else {
		$bemail = '';
	}

	// In multi-level mode, suppress per-level UI (custom fields) and bool-true intro. Custom intro strings still render.
	if ( $levels !== null ) {
		$custom_fields = false;
		if ( $intro === true ) {
			$intro = false;
		}
	}

	// treat this page load as a checkout
	add_filter( 'pmpro_is_checkout', '__return_true' );

	/**
	 * Mirror the core checkout preheader action so anything that hooks into it (recaptcha JS enqueue, TOS global, gateway setup, etc.) also fires here.
	 *
	 * @since 1.2
	 *
	 * @param object $pmpro_level The level being signed up for.
	 */
	do_action( 'pmpro_checkout_preheader', $pmpro_level );

	ob_start();

		// Do some conditional checks before showing the form.
		if ( $levels === null && empty( $level ) && current_user_can( 'manage_options' ) ) { ?>
			<div class="pmpro_message pmpro_alert"><?php esc_html_e('&#91;pmpro_signup&#93; Admin Only Shortcode Alert: No membership level specified.', 'pmpro-signup-shortcode'); ?></div>
		<?php } elseif ( $levels === null && ! empty( $current_user->ID ) && pmpro_hasMembershipLevel( $level, $current_user->ID ) ) {
				if ( current_user_can("manage_options") ) { ?>
					<div class="pmpro_message pmpro_alert"><?php esc_html_e('&#91;pmpro_signup&#93; Admin Only Shortcode Alert: You are logged in as an administrator and already have the membership level specified.', 'pmpro-signup-shortcode'); ?></div>
				<?php } ?>
		<?php } elseif ( $levels === null && empty( $pmpro_level ) ) { ?>
				<?php if( current_user_can( 'manage_options' ) ) { ?>
					<div class="pmpro_message pmpro_alert"><?php printf( esc_html__( '&#91;pmpro_signup&#93; Admin Only Shortcode Alert: The membership level specified is not valid. (ID:%s)', 'pmpro-signup-shortcode' ), esc_html( $level ) ); ?></div>
				<?php } ?>
		<?php } elseif ( $levels !== null && empty( $pmpro_levels ) ) { ?>
				<?php if ( current_user_can( 'manage_options' ) ) { ?>
					<div class="pmpro_message pmpro_alert"><?php esc_html_e( '&#91;pmpro_signup&#93; Admin Only Shortcode Alert: None of the membership levels specified are valid.', 'pmpro-signup-shortcode' ); ?></div>
				<?php } ?>
		<?php } elseif ( $levels !== null && ! empty( $current_user->ID ) && count( $held_level_ids ) === count( $pmpro_levels ) ) { ?>
			<div class="pmpro_message pmpro_alert"><?php esc_html_e( 'You already have all of the available memberships.', 'pmpro-signup-shortcode' ); ?></div>
		<?php } else { ?>
			<style>
				.pmpro_signup_form-hidelabels .pmpro_form_field label.pmpro_form_label:not(.pmpro_signup_form-hidelabels .pmpro_form_field-checkbox label.pmpro_form_label):not(.pmpro_signup_form-hidelabels .pmpro_form_field-checkbox_grouped label.pmpro_form_label) {
					border: 0;
					clip: rect(0, 0, 0, 0);
					height: 1px;
					margin: -1px;
					overflow: hidden;
					padding: 0;
					position: absolute;
					width: 1px;
					white-space: nowrap;
				}
			</style>
			<?php
				// Build the selectors for the form based on shortcode attributes.
				$classes = array();
				$classes[] = 'pmpro_form';
				$classes[] = 'pmpro_signup_form';
				if( ! empty( $hidelabels ) ) {
					$classes[] = 'pmpro_signup_form-hidelabels';
				}
				$class = implode( ' ', array_unique( $classes ) );
			?>
			<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro' ) ); ?>">
				<form id="pmpro_form" class="<?php echo esc_attr( pmpro_get_element_class( $class, 'pmpro_signup_form' ) ); ?>" action="<?php echo esc_url( pmpro_url("checkout") ); ?>" method="post">
					<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_card' ) ); ?>">
						<?php
							if ( ! empty( $title ) ) {
								?>
								<h2 class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_card_title pmpro_font-large' ) ); ?>"><?php echo esc_html( $title ); ?></h2>
								<?php
							} else {
								echo '<br />';
							}
						?>
						<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_card_content' ) ); ?>">
							<input type="hidden" id="pmpro_signup_shortcode" name="pmpro_signup_shortcode" value="1" />
							<?php do_action( 'pmpro_signup_form_before_fields' ); ?>
							<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_fields' ) ); ?>">
								<?php if ( ! empty( $intro ) ) { ?>
									<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_fields-description' ) ); ?>">
										<?php echo wp_kses_post( wpautop($intro) ); ?>
									</div>
								<?php } ?>

								<?php
									if ( $levels === null ) { ?>
										<input type="hidden" id="level" name="level" value="<?php echo intval( $level ); ?>" />
									<?php } else { ?>
										<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_field pmpro_form_field-select pmpro_form_field-levels' ) ); ?>">
											<label for="level" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_label' ) ); ?>"><?php esc_html_e( 'Membership Level', 'pmpro-signup-shortcode' );?></label>
											<select name="level" id="level" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_input pmpro_form_input-select pmpro_form_input-level' ) ); ?>">
												<?php foreach ( $pmpro_levels as $dropdown_level ) {
													$cost_text = pmpro_getLevelCost( $dropdown_level, false, true );
													$option_name = $dropdown_level->name;
													if ( ! empty( $cost_text ) ) {
														$option_name .= ' - ' . $cost_text;
													}
													$is_held = in_array( (int) $dropdown_level->id, $held_level_ids, true );
													if ( $is_held ) {
														$option_name .= ' (' . __( 'Current Level', 'pmpro-signup-shortcode' ) . ')';
													}
													?>
													<option value="<?php echo esc_attr( $dropdown_level->id ); ?>" <?php selected( $level, $dropdown_level->id ); ?> <?php disabled( $is_held ); ?>>
														<?php echo wp_kses_post( $option_name ); ?>
													</option>
												<?php } ?>
											</select>
										</div> <!-- end pmpro_form_field-levels -->
									<?php } ?>

								<?php if ( ! empty( $current_user->ID ) ) { ?>
									<div id="pmpro_account_loggedin">
										<?php
											$allowed_html = array(
												'a' => array(
													'href' => array(),
													'target' => array(),
													'title' => array(),
												),
												'strong' => array(),
											);
											echo wp_kses(
												sprintf(
													/* translators: 1: Username, 2: Logout URL */
													__('You are logged in as <strong>%1$s</strong>. If you would like to use a different account for this membership, <a href="%2$s">log out now</a>.', 'pmpro-signup-shortcode'),
													$current_user->user_login,
													esc_url( wp_logout_url( $_SERVER['REQUEST_URI'] ) )
												),
												$allowed_html
											);
										?>
									</div>
								<?php } else { ?>
									<?php if ( $short !== 'emailonly') { ?>
										<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_field pmpro_form_field-text pmpro_form_field-username', 'pmpro_form_field-username' ) ); ?>">
											<label for="username" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_label' ) ); ?>"><?php esc_html_e('Username', 'pmpro-signup-shortcode' );?></label>
											<input id="username" name="username" type="text" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_input pmpro_form_input-text', 'username' ) ); ?>" autocomplete="username" value="<?php echo esc_attr( $username ); ?>" <?php if( ! empty( $hidelabels ) ) { ?>placeholder="<?php esc_attr_e('Username', 'pmpro-signup-shortcode'); ?>"<?php } ?> />
										</div> <!-- end pmpro_form_field-username -->
									<?php } ?>

									<?php if ( ! empty( $custom_fields ) ) { do_action("pmpro_checkout_after_username"); } ?>

									<?php if ( $short !== 'emailonly') { ?>
										<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_field pmpro_form_field-password' ) ); ?>">
											<label for="password" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_label' ) ); ?>"><?php esc_html_e('Password', 'pmpro-signup-shortcode');?></label>
											<input type="password" name="password" id="password" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_input pmpro_form_input-password', 'password' ) ); ?>" autocomplete="new-password" spellcheck="false" value="" <?php if( ! empty( $hidelabels ) ) { ?> placeholder="<?php esc_attr_e('Password', 'pmpro-signup-shortcode');?>"<?php } ?> />
										</div> <!-- end pmpro_form_field-password -->
									<?php } ?>

									<?php if( ! empty( $short ) || ! $confirm_password ) { ?>
										<input type="hidden" name="password2_copy" value="1" />
									<?php } else { ?>
										<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_field pmpro_form_field-password', 'pmpro_form_field-password2' ) ); ?>">
											<label for="password2" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_label' ) ); ?>"><?php esc_html_e('Confirm Password', 'pmpro-signup-shortcode');?></label>
											<input type="password" name="password2" id="password2" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_input pmpro_form_input-password', 'password2' ) ); ?>" autocomplete="new-password" spellcheck="false" value="" <?php if( ! empty( $hidelabels ) ) { ?>placeholder="<?php esc_attr_e('Confirm Password', 'pmpro-signup-shortcode');?>"<?php } ?> />
										</div> <!-- end pmpro_form_field-password2 -->
									<?php } ?>

									<?php if ( ! empty( $custom_fields ) ) { do_action("pmpro_checkout_after_password"); } ?>

									<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_field pmpro_form_field-email pmpro_form_field-bemail', 'pmpro_form_field-bemail' ) ); ?>">
										<label for="bemail" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_label' ) ); ?>"><?php esc_html_e('E-mail Address', 'pmpro-signup-shortcode');?></label>
										<input id="bemail" name="bemail" type="email" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_input pmpro_form_input-email', 'bemail' ) ); ?>" value="<?php echo esc_attr( $bemail ); ?>" <?php if( ! empty( $hidelabels ) ) { ?> placeholder="<?php esc_attr_e('E-mail Address', 'pmpro-signup-shortcode');?>"<?php } ?> />
									</div> <!-- end pmpro_form_field-bemail -->

									<?php if( ! empty( $short ) || ! $confirm_email ) { ?>
										<input type="hidden" name="bconfirmemail_copy" value="1" />
									<?php } else { ?>
										<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_field pmpro_form_field-email pmpro_form_field-bconfirmemail', 'pmpro_form_field-bconfirmemail' ) ); ?>">
											<label for="bconfirmemail" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_label' ) ); ?>"><?php esc_html_e('Confirm E-mail', 'pmpro-signup-shortcode');?></label>
											<input id="bconfirmemail" name="bconfirmemail" type="email" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_input pmpro_form_input-email', 'bconfirmemail' ) ); ?>" value="" <?php if( ! empty( $hidelabels ) ) { ?>placeholder="<?php esc_attr_e('Confirm E-mail', 'pmpro-signup-shortcode');?>"<?php } ?> />
										</div> <!-- end pmpro_form_field-bconfirmemail -->
									<?php } ?>

									<input type="hidden" name="pmprosus_referrer" value="<?php echo esc_attr($_SERVER['REQUEST_URI']);?>" />

									<?php
										if ( $redirect == 'referrer' ) {
											$redirect_to = $_SERVER['REQUEST_URI'];
										} elseif ( $redirect == 'account' ) {
											$redirect_to = get_permalink( $pmpro_pages['account'] );
										} elseif ( empty( $redirect ) ) {
											$redirect_to = '';
										} else {
											$redirect_to = $redirect;
										}
									?>

									<input type="hidden" name="redirect_to" value="<?php echo esc_url($redirect_to);?>" />

									<?php if ( ! empty( $custom_fields ) ) { do_action("pmpro_checkout_after_email"); } ?>

									<div class="pmpro_hidden">
										<label for="fullname"><?php esc_html_e('Full Name', 'pmpro-signup-shortcode');?></label>
										<input id="fullname" name="fullname" type="text" class="input" size="30" value="" /> <strong><?php esc_html_e('LEAVE THIS BLANK', 'pmpro-signup-shortcode');?></strong>
									</div>

								<?php } ?>

								<?php
									if ( ! empty( $custom_fields ) ) { do_action( 'pmpro_checkout_after_user_fields' ); } ?>

								<?php
									if ( ! empty( $custom_fields ) ) {
										/**
										 * Add checkout boxes, including user fields, to the signup form.
										 *
										 * @param object $pmpro_level The PMPro Level object being purchased.
										 */
										do_action( 'pmpro_checkout_boxes', $pmpro_level );
									}
								?>

								<?php if ( ! empty( $custom_fields ) ) { do_action( 'pmpro_signup_form_before_submit' ); } ?>

							</div> <!-- end pmpro_form_fields -->

							<?php
								// Add nonce.
								wp_nonce_field( 'pmpro_checkout_nonce', 'pmpro_checkout_nonce' );
							
							/**
							 * Hook to add content before the submit button on the signup form.
							 * 
							 * @since 1.2
							 */
							do_action( 'pmpro_checkout_before_submit_button', $pmpro_level ); ?>


							<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_form_submit' ) ); ?>">
								<span id="pmpro_submit_span">
									<input type="hidden" name="submit-checkout" value="1" />
									<input type="submit" id="pmpro_btn-submit" class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_btn pmpro_btn-submit-checkout', 'pmpro_btn-submit-checkout' ) ); ?>" value="<?php echo esc_attr( $submit_button ); ?>" />
								</span>
							</div>
							<?php do_action( 'pmpro_signup_form_after_submit' ); ?>
						</div> <!-- end pmpro_card_content -->

						<?php if ( ! empty( $login ) && empty( $current_user->ID ) ) { ?>
							<div class="<?php echo esc_attr( pmpro_get_element_class( 'pmpro_card_actions' ) ); ?>">
								<div class="login-link">
									<a href="<?php echo esc_url( wp_login_url( get_permalink() ) ); ?>"><?php esc_html_e( 'Log In','pmpro-signup-shortcode' ); ?></a>
								</div>
							</div> <!-- end pmpro_card_actions -->
						<?php } ?>
					</div> <!-- end pmpro_card -->
				</form> <!-- end pmpro_form -->
				<?php do_action( 'pmpro_signup_form_after_form' ); ?>
			</div> <!-- end pmpro -->
		<?php } ?>
	<?php
	$temp_content = ob_get_contents();
	ob_end_clean();

	// Set the global level back to the correct object.
	$pmpro_level = $pmpro_level_backup;

	return $temp_content;
}

/**
 * Helper function to filter a "dual" type of attribute that could be true|false or a string.
 * Tries to filter as boolean first, then fallback as sanitized string.
 *
 * @since 1.2
 * 
 * @param bool|string $value The attribute value we want to filter.
 * @return bool|string The filtered boolean or string value.
 */
function pmprosus_filter_bool_or_string( $value ) {
	$is_bool = filter_var( $value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE );
	return ! is_null( $is_bool ) ? $is_bool : sanitize_text_field( $value );
}

/**
 * Register blocks for the Block Editor.
 *
 * @since 1.2
 */
function pmprosus_register_block_type() {
	register_block_type( __DIR__ . '/blocks/build/pmpro-signup-block' );
}
add_action( 'init', 'pmprosus_register_block_type' );

/*
Function to add links to the plugin row meta
*/
function pmprosus_plugin_row_meta($links, $file) {
	if(strpos($file, 'pmpro-signup-shortcode.php') !== false)
	{
		$new_links = array(
			'<a href="' . esc_url('https://www.paidmembershipspro.com/add-ons/pmpro-signup-shortcode/')  . '" title="' . esc_attr( __( 'View Documentation', 'pmpro-signup-shortcode' ) ) . '">' . esc_html__( 'Docs', 'pmpro-signup-shortcode' ) . '</a>',
			'<a href="' . esc_url('https://www.paidmembershipspro.com/support/') . '" title="' . esc_attr( __( 'Visit Customer Support Forum', 'pmpro-signup-shortcode' ) ) . '">' . esc_html__( 'Support', 'pmpro-signup-shortcode' ) . '</a>',
		);
		$links = array_merge($links, $new_links);
	}
	return $links;
}
add_filter('plugin_row_meta', 'pmprosus_plugin_row_meta', 10, 2);