SoapClient debug XML request and response

debug.php

class SoapClientDebug extends SoapClient
 {
     public function __doRequest($request, $location, $action, $version, $one_way = NULL)
     {
         echo $request;

         $resp = parent::__doRequest($request, $location, $action, $version);

         echo $resp;

         return $resp;
     }
 }