| Аргумент | Возможный тип | Описание |
| $order_id | — | — |
return $this->db->query("SELECT `value` + IF(`tax` IS NULL, 0, `tax`) AS 'price' FROM `" . DB_PREFIX . "order_total` `ot` LEFT JOIN `" . DB_PREFIX . "order_total_tax` `ott` USING(`order_total_id`) WHERE `ot`.`code` = 'shipping' AND `order_id` = " . (int)$order_id)->row['price'];