VaultPress::register_via_jetpack PHP Method

    function register_via_jetpack()
    {
        if (!class_exists('Jetpack')) {
            return false;
        }
        Jetpack::load_xml_rpc_client();
        $xml = new Jetpack_IXR_Client(array('user_id' => get_current_user_id()));
        $xml->query('vaultpress.registerSite');
        if (!$xml->isError()) {
            return $xml->getResponse();
        }
        return new WP_Error($xml->getErrorCode(), $xml->getErrorMessage());
    }