From a8cf30effe4814a627768fc14485ebbd4161faa1 Mon Sep 17 00:00:00 2001
From: Marius van Witzenburg <info@mariusvw.com>
Date: Tue, 8 Sep 2015 11:24:53 +0200
Subject: [PATCH] Prevent undefined error by checking on slen
---
lib/exe/js.php | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/exe/js.php b/lib/exe/js.php
index 7a956b7c9..e850218cf 100644
--- a/lib/exe/js.php
+++ b/lib/exe/js.php
@@ -419,7 +419,7 @@ function js_compress($s){
// Only consider deleting whitespace if the signs before and after
// are not equal and are not an operator which may not follow itself.
- if (isset($s[$i+1]) && ((!$lch || $s[$i+1] == ' ')
+ if ($i+1 < $slen && ((!$lch || $s[$i+1] == ' ')
|| $lch != $s[$i+1]
|| strpos($ops,$s[$i+1]) === false)) {
// leading spaces
--
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