WCF service aanroepen uit PHP

public bool Upload(Stream stream)
{
  //
}

public bool Upload(Stream stream)
{
  //
}

$client = new SoapClient("http://.../FileUploadService?wsdl");
$filename = "test.txt";
$parameters = array("stream" => GetFileContents($filename));
$result = $client->Upload($parameters);

$client = new SoapClient("http://.../FileUploadService?wsdl");
$filename = "test.txt";
$parameters = array("stream" => GetFileContents($filename));
$result = $client->Upload($parameters);