From 2a60543cee7179c502d19b5d4b96eccb58ead6be Mon Sep 17 00:00:00 2001
From: Peter Kokot <peterkokot@gmail.com>
Date: Wed, 1 Nov 2023 17:26:27 +0100
Subject: [PATCH] Add deprecation notice when enabling mhash (#12586)

The mhash* functions are deprecated as of PHP 8.1.0.
https://wiki.php.net/rfc/deprecations_php_8_1
---
 ext/hash/config.m4  | 1 +
 ext/hash/config.w32 | 1 +
 2 files changed, 2 insertions(+)

diff --git a/ext/hash/config.m4 b/ext/hash/config.m4
index dd0b24a1320..00075da06ff 100644
--- a/ext/hash/config.m4
+++ b/ext/hash/config.m4
@@ -4,6 +4,7 @@ PHP_ARG_WITH([mhash],
     [Include mhash support])])
 
 if test "$PHP_MHASH" != "no"; then
+  AC_MSG_WARN([The --with-mhash option and mhash* functions are deprecated as of PHP 8.1.0])
   AC_DEFINE(PHP_MHASH_BC, 1, [ ])
 fi
 
diff --git a/ext/hash/config.w32 b/ext/hash/config.w32
index d38b032efd3..61c8fcb35b7 100644
--- a/ext/hash/config.w32
+++ b/ext/hash/config.w32
@@ -3,6 +3,7 @@
 ARG_WITH('mhash', 'mhash support (BC via hash)', 'no');
 
 if (PHP_MHASH != 'no') {
+	WARNING("mhash* functions are deprecated as of PHP 8.1.0");
 	AC_DEFINE('PHP_MHASH_BC', 1);
 }