Commit 8504b18a343 for php.net

commit 8504b18a343e3e3ec55cdfaed3c502740aca6f6e
Merge: fc592c78f22 400aa844a68
Author: David Carlier <devnexen@gmail.com>
Date:   Thu Dec 4 23:16:22 2025 +0000

    Merge branch 'PHP-8.5'

    * PHP-8.5:
      Fix GH-20622: imagestring/imagestringup overflow/underflow.