/** * creating a orderitem * * @param OrderItem $orderItem * @param string $serialNo * @param string $description * @param Kit $kit * * @return Ambigous <SellingItem, SellingItem> */ public static function create(OrderItem &$orderItem, $serialNo, $description = '', Kit $kit = null) { $sellingItem = new SellingItem(); return $sellingItem->setOrderItem($orderItem)->setSerialNo(trim($serialNo))->setDescription(trim($description))->setKit($kit)->save(); }