WSDL\XML\XMLProvider::binding PHP Method

    private function binding()
    {
        $name = $this->builder->getName();
        $targetNamespace = $this->builder->getTargetNamespace();
        $bindingElement = $this->createElementWithAttributes('binding', ['name' => $name . 'Binding', 'type' => 'tns:' . $name . 'PortType']);
        $soapBindingElement = $this->XMLStyle->generateBinding($this->DOMDocument, $this->XMLSoapVersion);
        $bindingElement->appendChild($soapBindingElement);
        foreach ($this->builder->getMethods() as $method) {
            $methodName = $method->getName();
            $operationElement = $this->createElementWithAttributes('operation', ['name' => $methodName]);
            $soapOperationElement = $this->createElementWithAttributes($this->XMLSoapVersion . ':operation', ['soapAction' => $targetNamespace . '/#' . $methodName]);
            $operationElement->appendChild($soapOperationElement);
            $soapBodyElement = $this->XMLUse->generateSoapBody($this->DOMDocument, $targetNamespace, $this->XMLSoapVersion);
            $this->bindingElement($methodName, $soapBodyElement, $operationElement, 'input', 'RequestHeader', $method->getHeaderParameter());
            $this->bindingElement($methodName, $soapBodyElement, $operationElement, 'output', 'ResponseHeader', $method->getHeaderReturn());
            $bindingElement->appendChild($operationElement);
        }
        $this->definitionsRootNode->appendChild($bindingElement);
        return $this;
    }