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-rw-r--r--includes/WebStart.php3
1 files changed, 3 insertions, 0 deletions
diff --git a/includes/WebStart.php b/includes/WebStart.php
index f5a4f93b..e75e97fd 100644
--- a/includes/WebStart.php
+++ b/includes/WebStart.php
@@ -40,6 +40,9 @@ if ( function_exists( 'get_magic_quotes_gpc' ) && get_magic_quotes_gpc() ) {
. 'for help on how to disable magic quotes.' );
}
+if ( ini_get( 'mbstring.func_overload' ) ) {
+ die( 'MediaWiki does not support installations where mbstring.func_overload is non-zero.' );
+}
# bug 15461: Make IE8 turn off content sniffing. Everybody else should ignore this
# We're adding it here so that it's *always* set, even for alternate entry