MDL-11434 $CFG->filelifetime = 0 has no effect; patch by Chris Fryer

diff --git a/file.php b/file.php
index d047f9d96c115d044c29d4e80d4511932d881085..80ad8f810937d39091168f5c3fffe75b652e134b 100644 (file)
--- 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;