cron.php

<?php


/**
 * @file
 * Handles incoming requests to fire off regularly-scheduled tasks (cron jobs).
 */

/**
 * Root directory of Drupal installation.
 */
define('DRUPAL_ROOT', getcwd());
include_once DRUPAL_ROOT . '/includes/bootstrap.inc';
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
if (variable_get('maintenance_mode', 0)) {
    watchdog('cron', 'Cron could not run because the site is in maintenance mode.', array(), WATCHDOG_NOTICE);
    drupal_site_offline();
}
elseif (!isset($_GET['cron_key']) || variable_get('cron_key', 'drupal') != $_GET['cron_key']) {
    watchdog('cron', 'Cron could not run because an invalid key was used.', array(), WATCHDOG_NOTICE);
    drupal_access_denied();
}
else {
    drupal_cron_run();
}