public function killWww()
    {
        $host = $_SERVER['SERVER_NAME'];
        if (stripos($host, 'www.') === 0) {
            $host = substr_replace($host, '', 0, 4);
            $uri = $_SERVER['REQUEST_URI'];
            header("HTTP/1.1 301 Moved Permanently");

            if ('/' == $uri[0]) {
                header('Location: http://' . $host . $uri);
            } else {
                header('Location: http://' . $host . '/' . $uri);
            }

            die;
        }

        return $this;
    }