From 88aba6189ba310a0e766cf7cbd139fc3593c3e88 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Thu, 18 May 2006 22:10:40 +0000
Subject: [PATCH] deprecated nvl() function similar to optional_variable() -
 fixed missing global $CFG

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

diff --git a/lib/weblib.php b/lib/weblib.php
index 13eb5ea24e7..1406223504b 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -142,6 +142,8 @@ function p($var, $strip=false) {
  * @return   mixed
  */
 function nvl(&$var, $default='') {
+    global $CFG;
+
     if (!empty($CFG->disableglobalshack)) {
       error( "The nvl() function is deprecated ($var, $default)." );
     }