test.module

<?php
// $Id$ 

/**
 * @file
 * Test module for Drupal wizardry.
 */

/**
 * Implementation of hook_menu().
 */
function test_menu() {
  $items['test'] = array(
    'title' => t('Test Page'),
    'description' => t('Sample page for testing output.'),
    'page callback' => 'test_output',
    'access callback' => user_access('access test page'),
  );
  $items['test/%test'] = array(
    'title callback' => 'test_title',
    'title arguments' => array(1),
    'description' => t('Sample page for testing output.'),
    'page callback' => 'test_output',
    'page arguments' => array(1),
    'access callback' => user_access('access test page'),
    'type' => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Implementation of hook_perm().
 */
function test_perm() {
  return array('access test page');
}

function test_title($title) {
  return t("Testing for '!title':", array("!title" => $title));
}

function test_load($input) {
  return strtoupper($input);
}

function test_output($output = '', $type = '') {
  $query = db_query("SELECT nid FROM node WHERE type = '$type'");
  while ($fetch = db_fetch_object($query)) {
    $node = node_load($fetch->nid);
    $output .= "<p>". $node->title ."</p>";
  }
  $output .= drupal_get_form('test_output_2');
  return $output;
}

function test_output_2() {
  $form['info'] = array(
    '#type' => 'textfield',
    '#title' => t('Type something'),
  );
  $form['types'] = array(
    '#type' => 'select',
    '#title' => 'Select a content type',
    '#options' => node_get_types('names'),
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('submit'),
  );
  return $form;
}

function test_output_2_submit($form, &$form_state) {
  drupal_set_message("You selected '". $form_state['values']['types'] ."'.");
  $form_state['redirect'] = 'test/' . $form_state['values']['info'] .'/'. $form_state['values']['types'];
}