From: Andrew Garrett <werdna@users.mediawiki.org>
Date: Thu, 26 Mar 2009 13:29:38 +0000 (+0000)
Subject: Fast short-circuit for diffs between identical strings
X-Git-Tag: 1.31.0-rc.0~42342
X-Git-Url: https://git.cyclocoop.org/%7B%24www_url%7Dadmin/compta/exercices/journal.php?a=commitdiff_plain;h=63fca924cc119a7dca5272c3a37570f88c80b39d;p=lhc%2Fweb%2Fwiklou.git

Fast short-circuit for diffs between identical strings
---

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index 0807f0be52..9afb3ad2b7 100644
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -1393,6 +1393,10 @@ function wfMerge( $old, $mine, $yours, &$result ){
  * @return string Unified diff of $before and $after
  */
 function wfDiff( $before, $after, $params = '-u' ) {
+	if ($before == $after) {
+		return '';
+	}
+	
 	global $wgDiff;
 
 	# This check may also protect against code injection in