gistfile1.php

<?php

class SoapClient
{
    public function __call($method, $args)
    {
        return $this;
    }

    public function __get($prop)
    {
        return sprintf('<xml>%s:%s</xml>', __CLASS__, $prop);
    }

    public function __set($prop, $value)
    {
        return $this;
    }
}