Commit 18da6ff3b5e for php

commit 18da6ff3b5eaa3df464d07964ffe7ee49be23044
Merge: eb4bd0b7967 11c752bab60
Author: Ilia Alshanetsky <ilia@ilia.ws>
Date:   Sun Oct 4 10:28:27 2026 -0400

    Merge branch 'PHP-8.6'

    * PHP-8.6:
      ext/standard: Reject incomplete sha1_file reads