public function getShippingMethodName() { $shipping_method = $this->getExtra('shipping_method'); if (!$shipping_method) { $shipping_repository = new ShippingMethodRepository(); $default_shipping = $shipping_repository->getDefault($this->module_srl, $this); $this->setExtra('shipping_method', $default_shipping->name); $shipping_method = $this->getExtra('shipping_method'); } return $shipping_method; }