5. Le code complet du module

name = Hello world
description = My first module for Drupal 7.
package = Drupal 7 Development
version = 7.x-0.x-dev
core = 7.x
files[] = hello_world.module

/**
 *  @file
 *  A module exemplifying Drupal coding practices and APIs.
 *
 *  This module provides a page that displays Hello World.
 *  It illustrates coding standards, practices, and API use for Drupal 7.
 */

/**
 *  Implements hook_help()
 */
function hello_world_help($path, $arg) {
  if ($path == 'admin/help#hello_world') {
    return t('A demonstration module.');
  }
}

/**
 *  Implements hook_menu()
 */
function hello_world_menu() {
 $items = array();

  $items['hello-world/first'] = array(
    'title' => t('First page'),
    'description' => t('First page for Hello World module.'),
    'page callback' => '_hello_world_first_page',
    'access callback' => TRUE,
    'type' => MENU_NORMAL_ITEM,
    'weight' => -10,
  );

  return $items;
}

/**
 *  Implements the function _hello_world_first_page()
 */
function _hello_world_first_page() {
 return '<p>' . t('Hello world !') . '</p>';
}