as far as i can tell.
$ /usr/bin/php --version
PHP 8.1.28 (cli) (built: Apr 10 2024 05:53:50) (NTS gcc x86_64)
Copyright (c) The PHP Group
Zend Engine v4.1.28, Copyright (c) Zend Technologies
with Zend OPcache v8.1.28, Copyright (c), by Zend Technologies
how do i tell what version osticket is actually running?