20/08/2026
Quick check: do you know what PHP version your site is running?
PHP 8.1 hit end of active support back in November 2024, and 8.2 followed in December 2025. Running an unsupported PHP version on a live site means unpatched security vulnerabilities β and that risk compounds every day it's left alone.
PHP 8.5 shipped in November 2025 and is the most significant release in the 8.x series: OPcache now compiled in by default (one of the biggest WordPress performance wins available), plus new language features like the pipe operator and built-in array_first()/array_last().
Full step-by-step upgrade guide for Ubuntu 24.04 and 22.04 β Apache, Nginx/PHP-FPM, extension reinstalls, and the exact fixes for the errors that catch people out most:
π https://ajaykhandal.com/upgrade-php-8-5-ubuntu/
Do you know your site's current PHP version off the top of your head? π