ArticleTypeField::getNextOrder PHP Метод

    public function getNextOrder()
    {
        global $g_ado_db;
        $queryStr = "SELECT field_weight FROM `" . $this->m_dbTableName . "` WHERE type_name = " . $g_ado_db->escape($this->m_data['type_name']) . " AND field_name != 'NULL' ORDER BY field_weight DESC";
        $field_weight = $g_ado_db->GetOne($queryStr);
        if (!is_null($field_weight)) {
            $next = $field_weight + 1;
        } else {
            $next = 1;
        }
        return $next;
    }