Tagged: php

Start here if you manage your own WordPress server: core setup, architecture choices, and stability basics.

Fast paths for diagnosing WordPress outages, errors, and weird behavior on Ubuntu servers.

How PHP upgrades actually fail, how to plan them, and how to avoid version drift across sites.

What breaks during modern PHP upgrades, what usually doesn’t, and how to reduce downtime.

Setup checklist to keep WordPress stable with Apache and PHP-FPM: modules, vhosts, and first-aid commands.

Isolate plugin and theme incompatibilities after bumping PHP: logs, disable plugins, and common causes.

Why per-site pools help stability and how to keep pool naming, logs, and socket paths understandable.

Checklist to isolate whether a 500 is Apache, PHP-FPM, or WordPress code—logs and service health first.

When 503/500 errors follow a PHP upgrade or pool change: align vhost with the correct pool and socket.

Why reload sometimes doesn’t apply changes and when a full restart is required.

Why `php -v` can mislead you on multi-version servers and how to align expectations.

Why modern stacks separate PHP from the web server and what that buys you: stability, limits, and isolation.

How to recognize when the issue lives below the application layer: Apache, PHP-FPM, or disk.

What actually changes between PHP versions and why plugins are usually the weak link.

The hidden follow-up work most upgrades require: drift, leftovers, and verification.

How mixed PHP versions creep in and create confusing, inconsistent site behavior—and how to fix it.

How low PHP memory limits quietly break WordPress and how to spot and fix them.

Why plugin and theme updates fail halfway and how timeouts cause it—and what to adjust.