function menu_valid_path in Drupal 6
Validates the path of a menu link being created or edited.
Return value
TRUE if it is a valid path AND the current user has access permission, FALSE otherwise.
Related topics
3 calls to menu_valid_path()
- form_process_autocomplete in includes/form.inc 
- Process function to prepare autocomplete data.
- menu_edit_item_validate in modules/menu/ menu.admin.inc 
- Validate form values for a menu link being added or edited.
- system_site_information_settings_validate in modules/system/ system.admin.inc 
- Validate the submitted site-information form.
File
- includes/menu.inc, line 2515 
- API for the Drupal menu system.
Code
function menu_valid_path($form_item) {
  global $menu_admin;
  $item = array();
  $path = $form_item['link_path'];
  // We indicate that a menu administrator is running the menu access check.
  $menu_admin = TRUE;
  if ($path == '<front>' || menu_path_is_external($path)) {
    $item = array(
      'access' => TRUE,
    );
  }
  elseif (preg_match('/\\/\\%/', $path)) {
    // Path is dynamic (ie 'user/%'), so check directly against menu_router table.
    if ($item = db_fetch_array(db_query("SELECT * FROM {menu_router} where path = '%s' ", $path))) {
      $item['link_path'] = $form_item['link_path'];
      $item['link_title'] = $form_item['link_title'];
      $item['external'] = FALSE;
      $item['options'] = '';
      _menu_link_translate($item);
    }
  }
  else {
    $item = menu_get_item($path);
  }
  $menu_admin = FALSE;
  return $item && $item['access'];
}