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