Updated: 23 June 2025
PHP supported versions https://www.php.net/supported-versions
PHP Local Security Checker https://github.com/fabpot/local-php-security-checker
Check all extensions
php -m
Disable the xdebug module for the fpm sapi and php version 5.6
sudo phpdismod -v 5.6 -s fpm -m xdebug
Enable the xdebug module for the fpm sapi and php version 7.0
sudo phpenmod -v 7.0 -s fpm -m xdebug
Check the status of the xdebug module for the fpm sapi and php 7.4
phpquery -v 7.4 -s fpm -m xdebug
Restart the PHP 5.6 Fast Process Manager
sudo systemctl restart php5.6-fpm
Enable strict mode on a per-file basis
<?php declare(strict_types=1);