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Drupal example source code file (trigger.install)

This example Drupal source code file (trigger.install) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

array, default, description, function, hook, key, not, null, php, primary, the, true, type

The trigger.install Drupal example source code

<?php
// $Id: trigger.install,v 1.5.2.1 2009/01/06 15:46:38 goba Exp $

/**
 * Implementation of hook_install().
 */
function trigger_install() {
  // Create tables.
  drupal_install_schema('trigger');

  // Do initial synchronization of actions in code and the database.
  actions_synchronize(actions_list());
}

/**
 * Implementation of hook_uninstall().
 */
function trigger_uninstall() {
  // Remove tables.
  drupal_uninstall_schema('trigger');
}

/**
 * Implementation of hook_schema().
 */
function trigger_schema() {
  $schema['trigger_assignments'] = array(
    'description' => 'Maps trigger to hook and operation assignments from trigger.module.',
    'fields' => array(
      'hook' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Primary Key: The name of the internal Drupal hook upon which an action is firing; for example, nodeapi.',
      ),
      'op' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Primary Key: The specific operation of the hook upon which an action is firing: for example, presave.',
      ),
      'aid' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => "Primary Key: Action's {actions}.aid.",
      ),
      'weight' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The weight of the trigger assignment in relation to other triggers.',
      ),
    ),
    'primary key' => array('hook', 'op', 'aid'),
  );
  return $schema;
}


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