Commit f83a38df163 for php

commit f83a38df16367df4794521e5c770b4bc7bdb8919
Author: Kamil Tekiela <tekiela246@gmail.com>
Date:   Tue Nov 3 12:01:13 2026 +0000

    Update UPGRADING

diff --git a/UPGRADING b/UPGRADING
index 49d1ebc8258..9804b8706b8 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -190,6 +190,7 @@ PHP 8.7 UPGRADE NOTES

 - MBString:
   . Improved performance of mb_strlen for UTF-8 strings.
+  . Improved performance of mb_substr and mb_strpos for UTF-8 strings.

 - PDO:
   . Improved performance of fetching rows with PDO::FETCH_BOTH, the default