yii\authclient\BaseOAuth::composeUrl PHP Метод

    protected function composeUrl($url, array $params = [])
    {
        if (!empty($params)) {
            if (strpos($url, '?') === false) {
                $url .= '?';
            } else {
                $url .= '&';
            }
            $url .= http_build_query($params, '', '&', PHP_QUERY_RFC3986);
        }
        return $url;
    }