Commit 1979890d21d for php

commit 1979890d21d629d1a29f5c67333ce0b087d7985e
Merge: 857ac7f0b34 68aa3372a15
Author: Daniel Scherzer <daniel.e.scherzer+phpf@gmail.com>
Date:   Mon Oct 19 15:34:13 2026 -0700

    Merge branch 'PHP-8.6'

    * PHP-8.6:
      SoapClient: add new `keep_headers` option
      ext/soap: redact more sensitive headers
      `sdl_set_uri_credentials()`: use early returns to improve readability
      GH-23686: Add regression tests for sensitive headers