function drupal_not_found in Drupal 6

Same name and namespace in other branches

1. 4 includes/common.inc \drupal_not_found()
2. 5 includes/common.inc \drupal_not_found()
3. 7 includes/common.inc \drupal_not_found()

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

Related topics

18 calls to drupal_not_found()

book_export in modules/book/book.pages.inc

Menu callback; Generates various representation of a book page and its children.

book_export_html in modules/book/book.pages.inc

This function is called by book_export() to generate HTML for export.

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…

file_transfer in includes/file.inc

Transfer file using http to client. Pipes a file through Drupal to the client.

filter_admin_delete in modules/filter/filter.admin.inc

Menu callback; confirm deletion of a format.

... 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);
}