https://www.php.net/manual/de/eventhttp.setdefaultcallback.php
PHP: EventHttp::setDefaultCallback - Manual
Sets default callback to handle requests that are not caught by specific callbacks
phpmanual
https://www.php.net/manual/tr/eventhttp.setdefaultcallback.php
PHP: EventHttp::setDefaultCallback - Manual
Sets default callback to handle requests that are not caught by specific callbacks
phpmanual