OneLogin_Saml_AuthRequest::_getTimestamp PHP Method

    protected function _getTimestamp()
    {
        $defaultTimezone = date_default_timezone_get();
        date_default_timezone_set('UTC');
        $timestamp = strftime("%Y-%m-%dT%H:%M:%SZ");
        date_default_timezone_set($defaultTimezone);
        return $timestamp;
    }