/** * Check if no user or group is set * * @param TypoScriptFrontendController $frontendController * @param string $uri * @param array $explanation * @param bool $skipProcessing * * @return array */ public function checkRule($frontendController, $uri, &$explanation, &$skipProcessing) { if ($frontendController->isUserOrGroupSet()) { $explanation[__CLASS__] = 'User or group are set'; } }