SubmissionsListGridHandler::getFilterColumns PHP Метод

    protected function getFilterColumns()
    {
        return array('title' => __('submission.title'), 'author' => __('submission.authors'));
    }

 /**
  * @copyDoc SubmissionsListGridHandler::getFilterColumns()
  */
 function getFilterColumns()
 {
     $columns = parent::getFilterColumns();
     $columns['editor'] = __('user.role.editor');
     return $columns;
 }