protected function getLoginUrl(string $redirect_url = '') {
        if (empty($redirect_url)) {
            $redirect_url = $this->getClientUrl();
        }
        return $this->getServerUrl() . self::LOGIN_PATH . '?redirect_url=' . $redirect_url;
    }
protected function getLoginUrl(string $redirect_url = '') {
        if (empty($redirect_url)) {
            $redirect_url = $this->getClientUrl();
        }
        return $this->getServerUrl() . self::LOGIN_PATH . '?redirect_url=' . $redirect_url;
    }
protected function getLoginUrl ( string $ redirect_url = '' ) { if ( empty ( $ redirect_url ) ) { $ redirect_url = $ this -> getClientUrl ( ) ; } return $ this -> getServerUrl ( ) . self :: LOGIN_PATH . '?redirect_url=' . $ redirect_url ; }
Get the url of login

@return string
Get the url of login