From 4b160a4d8407b52a309a978b61651fc4bab0559a Mon Sep 17 00:00:00 2001
From: Alexandre Emsenhuber <ialex@users.mediawiki.org>
Date: Mon, 8 Dec 2008 15:35:06 +0000
Subject: [PATCH] Check if wfDebug() is defined before calling it since
 AutoLoader.php is loaded before GlobalFunctions.php and may result in fatal
 error

---
 includes/AutoLoader.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/includes/AutoLoader.php b/includes/AutoLoader.php
index 2e6e81af8c..493332d34d 100644
--- a/includes/AutoLoader.php
+++ b/includes/AutoLoader.php
@@ -554,7 +554,8 @@ class AutoLoader {
 				}
 			}
 			if ( !$filename ) {
-				wfDebug( "Class {$className} not found; skipped loading" );
+				if( function_exists( 'wfDebug' ) ) 	
+					wfDebug( "Class {$className} not found; skipped loading" );
 				# Give up
 				wfProfileOut( __METHOD__ );
 				return false;
-- 
2.20.1