From c7f363f8868c28bbd596924d13b7182d469229e7 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Fri, 28 Oct 2005 09:00:43 +0000
Subject: [PATCH] * (bug 3782) Throw fatal installation warning if
 mbstring.func_overload on.   Why do people invent these crazy options that
 change language semantics?

---
 RELEASE-NOTES    | 3 +++
 config/index.php | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 3bfb41b12e..6a63ab41eb 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -183,6 +183,9 @@ fully support the editing toolbar, but was found to be too confusing.
 * MySQL 5.0 strict mode fix for moving unwatched pages
 * (bug 3816) Throw edit conflict instead of fatal error when a page is
   moved or deleted during section edit
+* (bug 3782) Throw fatal installation warning if mbstring.func_overload on.
+  Why do people invent these crazy options that change language semantics?
+
 
 === Caveats ===
 
diff --git a/config/index.php b/config/index.php
index 0f240c0813..02375d6a89 100644
--- a/config/index.php
+++ b/config/index.php
@@ -227,6 +227,14 @@ if( ini_get( "magic_quotes_sybase" ) ) {
 	<?php
 }
 
+if( ini_get( "mbstring.func_overload" ) ) {
+	$fatal = true;
+	?><li class='error'><strong>Fatal: <a href='http://www.php.net/manual/en/ref.mbstring.php#mbstring.overload'>mbstring.func_overload</a> is active!</strong>
+	This option causes errors and may corrupt data unpredictably;
+	you cannot install or use MediaWiki unless this option is disabled.
+	<?php
+}
+
 if( $fatal ) {
 	dieout( "</ul><p>Cannot install Mediawiki.</p>" );
 }
-- 
2.20.1