# SoapClient->__doRequest()

(PHP 5 >= 5.0.1)

SoapClient->__doRequest() — Performs a SOAP request

### Description

SoapClient
string __doRequest ( string `$request` , string `$location` , string `$action` , int `$version` [, int `$one_way` ] )

Performs SOAP request over HTTP.

This method can be overridden in subclasses to implement different transport layers, perform additional XML processing or other purpose.

### Parameters

`request`

  The XML SOAP request.

`location`

  The URL to request.

`action`

  The SOAP action.

`version`

  The SOAP version.

`one_way`

### Return Values

The XML SOAP response.

### ChangeLog

Version | Description
--- | ---
5.1.3 | The `one_way` parameter was added.

### Examples

Example#1 Some examples

`<?php
function Add($x,$y) {
return $x+$y;
}
class LocalSoapClient extends SoapClient {
function __construct($wsdl, $options) {
parent::__construct($wsdl, $options);
$this->server = new SoapServer($wsdl, $options);
$this->server->addFunction('Add');
}
function __doRequest($request, $location, $action, $version) {
ob_start();
$this->server->handle($request);
$response = ob_get_contents();
ob_end_clean();
return $response;
}
}
$x = new LocalSoapClient(NULL,array('location'=>'test://',
'uri'=>'http://testuri.org'));
var_dump($x->Add(3,4));
?>`