Drupal example source code file (token.install)

This example Drupal source code file (token.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, by, duplicate_tokens, function, modules, phase, php, requirements, ret, runtime, sql, system, token, where

The token.install Drupal example source code

<?php
// $Id: token.install,v 1.2.2.2 2010/09/24 20:37:21 davereid Exp $

/**
 * @file
 * The install and update code for the token module.
 *
 * @ingroup token
 */

/**
 * Implements hook_requirements().
 */
function token_requirements($phase = 'runtime') {
  $requirements = array();
  $t = get_t();

  // Check for duplicate tokens.
  if ($phase == 'runtime') {
    if ($duplicate_tokens = token_find_duplicate_tokens()) {
      foreach ($duplicate_tokens as $token => $modules) {
        $duplicate_tokens[$token] = t('@token (defined by modules: @modules)', array('@token' => $token, '@modules' => implode(', ', $modules)));
      }
      $requirements['token_duplicates'] = array(
        'title' => $t('Duplicate tokens'),
        'value' => $t('The following tokens are defined by multiple modules and may cause problems when performing token replacement.'),
        'severity' => REQUIREMENT_WARNING,
        'description' => theme('item_list', $duplicate_tokens),
      );
    }
  }

  return $requirements;
}

function token_install() {
  db_query("UPDATE {system} SET weight = 10 WHERE name = 'token'");
}

function token_update_1() {
  $ret = array();
  $ret[] = update_sql("UPDATE {system} SET weight = 10 WHERE name = 'token'");
  return $ret;
}