public function ajax_relation($state_info) { if (!isset($this->relation[$state_info->field_name])) { return false; } list($field_name, $related_table, $related_field_title, $where_clause, $order_by) = $this->relation[$state_info->field_name]; return $this->basic_model->get_ajax_relation_array($state_info->search, $field_name, $related_table, $related_field_title, $where_clause, $order_by); }