<?php

class MyAlsoSpecial_Client extends SoapClient {
    protected $url;

    function __construct($url) {
        parent::__construct(null, array(
            'location'    => $url,
            'uri'         => 'http://www.foobar.com/',
            'encoding'    => 'utf-8',
            'compression' => SOAP_COMPRESSION_ACCEPT | SOAP_COMPRESSION_GZIP | 8,
        ) );

        $this->url = $url;
    }

    function getURL() {
        return $this->url;
    }
}

$client = new MyAlsoSpecial_Client('http://www.foo.com/bar/specialserver.php');

echo 'ping? ' . $client->ping();  // will output 'pong!' if connection works

if ($client->someFunction('foo', 'bar')) echo 'It works!';

?>