From fadd42e097477da3e7d71622ff601c63a4ad4622 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Tue, 25 Sep 2007 19:09:08 +0000
Subject: [PATCH] MDL-11434 $CFG->filelifetime = 0 has no effect; patch by
 Chris Fryer; backported from HEAD

---
 file.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/file.php b/file.php
index d047f9d96c1..80ad8f81093 100644
--- a/file.php
+++ b/file.php
@@ -14,7 +14,7 @@
     require_once('config.php');
     require_once('lib/filelib.php');
 
-    if (empty($CFG->filelifetime)) {
+    if (!isset($CFG->filelifetime)) {
         $lifetime = 86400;     // Seconds for files to remain in caches
     } else {
         $lifetime = $CFG->filelifetime;