From e575c0597de25ad667e25971386804d39cfd46a7 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Mon, 10 Apr 2006 16:00:34 +0000
Subject: [PATCH] Added a notify in debugging mode for a double print_header()

---
 lib/weblib.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/weblib.php b/lib/weblib.php
index 33712659c8..0aac8106c0 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -1853,6 +1853,9 @@ function print_header ($title='', $heading='', $navigation='', $focus='', $meta=
     static $headerprinted = false;
 
     if ($headerprinted) {
+        if ($CFG->debug > 7) {
+            notify('print_header() was called more than once - this should not happen.  Please check the code for this page closely, a common culprit is a call to error() after print_header().');
+        }
         return;
     } else {
         $headerprinted = true;
-- 
2.39.5