Same name and namespace in other branches
  1. 4.6.x includes/common.inc \drupal_not_found()
  2. 4.7.x includes/common.inc \drupal_not_found()
  3. 5.x includes/common.inc \drupal_not_found()
  4. 7.x includes/common.inc \drupal_not_found()

Generates a 404 error if the request can not be handled.

Related topics

8 calls to drupal_not_found()
file_download in includes/file.inc
Call modules that implement hook_file_download() to find out if a file is accessible and what headers it should be transferred with. If a module returns -1 drupal_access_denied() will be returned. If one or more modules returned headers the download…
locale_languages_delete_form in includes/locale.inc
User interface for the language deletion confirmation screen.
profile_browse in modules/profile/profile.pages.inc
Menu callback; display a list of user information.
profile_field_delete in modules/profile/profile.admin.inc
Menu callback; deletes a field from all user profiles.
profile_field_form in modules/profile/profile.admin.inc
Menu callback: Generate a form to add/edit a user profile field.

... See full list

File

includes/common.inc, line 393
Common functions that many Drupal modules will need to reference.

Code

function drupal_not_found() {
  drupal_set_header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
  watchdog('page not found', check_plain($_GET['q']), NULL, WATCHDOG_WARNING);

  // Keep old path for reference, and to allow forms to redirect to it.
  if (!isset($_REQUEST['destination'])) {

    // Make sure that the current path is not interpreted as external URL.
    if (!menu_path_is_external($_GET['q'])) {
      $_REQUEST['destination'] = $_GET['q'];
    }
  }
  $path = drupal_get_normal_path(variable_get('site_404', ''));
  if ($path && $path != $_GET['q']) {

    // Set the active item in case there are tabs to display, or other
    // dependencies on the path.
    menu_set_active_item($path);
    $return = menu_execute_active_handler($path);
  }
  if (empty($return) || $return == MENU_NOT_FOUND || $return == MENU_ACCESS_DENIED) {
    drupal_set_title(t('Page not found'));
    $return = t('The requested page could not be found.');
  }

  // To conserve CPU and bandwidth, omit the blocks.
  print theme('page', $return, FALSE);
}