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function menu_edit_menu_validate in Drupal 6

Validates the human and machine-readable names when adding or editing a menu.

File

modules/menu/menu.admin.inc, line 507
Administrative page callbacks for menu module.

Code

function menu_edit_menu_validate($form, &$form_state) {
  $item = $form_state['values'];
  if (preg_match('/[^a-z0-9-]/', $item['menu_name'])) {
    form_set_error('menu_name', t('The menu name may only consist of lowercase letters, numbers, and hyphens.'));
  }
  if ($form['#insert']) {

    // We will add 'menu-' to the menu name to help avoid name-space conflicts.
    $item['menu_name'] = 'menu-' . $item['menu_name'];
    if (db_result(db_query("SELECT menu_name FROM {menu_custom} WHERE menu_name = '%s'", $item['menu_name'])) || db_result(db_query_range("SELECT menu_name FROM {menu_links} WHERE menu_name = '%s'", $item['menu_name'], 0, 1))) {
      form_set_error('menu_name', t('The menu already exists.'));
    }
  }
}