MDL-8029 removed obsoleted use of nvl() from weblib

2006-12-30 21:25:13 +00:00
parent b490cf71a0
commit d90ffc1f66
1 changed files with 5 additions and 2 deletions
@@ -158,8 +158,11 @@ function p($var, $strip=false) {
 * @return string
 */
 function get_referer() {
-
-    return strip_querystring(nvl($_SERVER['HTTP_REFERER']));
+    if (isset($_SERVER['HTTP_REFERER'])) {
+        return strip_querystring($_SERVER['HTTP_REFERER']);
+    } else {
+        return '';        
+    }
 }