IXR_Request::__construct() WordPress Method

    function __construct($method, $args)
    {
        $this->method = $method;
        $this->args = $args;
        $this->xml = <<<EOD
<?xml version="1.0"?>
<methodCall>
<methodName>{$this->method}</methodName>
<params>

EOD;
        foreach ($this->args as $arg) {
            $this->xml .= '<param><value>';
            $v = new IXR_Value($arg);
            $this->xml .= $v->getXml();
            $this->xml .= "</value></param>\n";
        }
        $this->xml .= '</params></methodCall>';
    }