From b8b21c5d2a3547ff580f230ccce9dd7aff7633e5 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Sun, 4 Mar 2007 22:59:26 +0000
Subject: [PATCH] fomrat_string() tuning - memory, speed and accuracy in cron;
 backported from HEAD

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

diff --git a/lib/weblib.php b/lib/weblib.php
index 022004645e1..b744cde3177 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -1419,7 +1419,7 @@ function format_string ($string, $striplinks = false, $courseid=NULL ) {
     }
 
     //init course id
-    if ($courseid === NULL) {
+    if (empty($courseid)) {
         $courseid = $COURSE->id;
     }