Commit 611116980cb for php

commit 611116980cbe12254eb941164ab99279bd053824
Merge: d2d54ce3368 7aa003e5396
Author: Ilia Alshanetsky <ilia@ilia.ws>
Date:   Tue Oct 6 11:23:24 2026 -0400

    Merge branch 'PHP-8.6'

    * PHP-8.6:
      Fix alternate form flag for %x testing stale signed value