End of life, severity medium

PHP 8.1 reached end of life on 2025-12-31

Published October 31, 2026

PHP 8.1 no longer gets security fixes.

Deadline: December 31, 2025

What's affected

• php runtime>=8.1 <8.2

What to do

1. Upgrade PHP to a supported version (latest 8.1.x is 8.1.34; move to a newer cycle).

Check whether you were affected

Pharon tells teams automatically when this affects something they run. To check a machine, run this in Claude Code with the Pharon plugin, in the repository that uses it:

/pharon:check-incident eol-php-8-1

References

• https://endoflife.date/php

Notice eol-php-8-1, signed with key feed-prod-2026-10 (Ed25519). The Pharon CLI verifies the signature before using a notice.