From c23ff4d6544ba4e00aa9164de5adf3a506e842bf Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Thu, 18 May 2006 22:12:06 +0000
Subject: [PATCH] deprecated nvl() function similar to optional_variable();
 merged from MOODLE_16_STABLE

---
 lib/weblib.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/weblib.php b/lib/weblib.php
index 56cc2a3ecf..1406223504 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -142,7 +142,11 @@ function p($var, $strip=false) {
  * @return   mixed
  */
 function nvl(&$var, $default='') {
+    global $CFG;
 
+    if (!empty($CFG->disableglobalshack)) {
+      error( "The nvl() function is deprecated ($var, $default)." );
+    }
     return isset($var) ? $var : $default;
 }
 
-- 
2.39.5