This extension is still maintained. It support PHP up to version 7.4. You can find it in the PECL repository: https://pecl.php.net/package/xhprof A profiler based on XHProf but for PHP7+ can be found at https://github.com/tideways/php-xhprof-extension This extension is still maintained for PHP 8. You can find the latest fork at https://github.com/longxinH/xhprof xhprof is still maintained at: https://github.com/patrickallaert/xhprof