src/Entity/Shipper.php
public function toNode(DOMDocument $document = null)
    {
        if (null === $document) {
            $document = new DOMDocument();
        }

        $node = $document->createElement('Shipper');

        $shipperName = $this->getName();
        if (isset($shipperName)) {
            $node->appendChild($document->createElement('Name', $shipperName));
        }

        $shipperNumber = $this->getShipperNumber();
        if (isset($shipperNumber)) {
            $node->appendChild($document->createElement('ShipperNumber', $shipperNumber));
        }

        $address = $this->getAddress();
        if (isset($address)) {
            $node->appendChild($address->toNode($document));
        }

        return $node;
    }
public function toNode(DOMDocument $document = null)
    {
        if (null === $document) {
            $document = new DOMDocument();
        }

        $node = $document->createElement('Shipper');

        $shipperName = $this->getName();
        if (isset($shipperName)) {
            $node->appendChild($document->createElement('Name', $shipperName));
        }

        $shipperNumber = $this->getShipperNumber();
        if (isset($shipperNumber)) {
            $node->appendChild($document->createElement('ShipperNumber', $shipperNumber));
        }

        $address = $this->getAddress();
        if (isset($address)) {
            $node->appendChild($address->toNode($document));
        }

        return $node;
    }
@param null|DOMDocument $document

@return DOMElement