From 960855b9a1e52d537ea623708b5af6fd18251c0d Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Mon, 17 Apr 2006 20:40:33 +0000
Subject: [PATCH] fixed double header warning in redirect()

---
 lib/weblib.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/weblib.php b/lib/weblib.php
index 0c4799a338..4cc79f1e01 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -4264,7 +4264,9 @@ function redirect($url, $message='', $delay='0') {
         if (empty($delay)) {
             $delay = 3;  // There's no point having a message with no delay
         }
-        print_header('', '', '', '', '<meta http-equiv="refresh" content="'. $delay .'; url='. $encodedurl .'" />');
+        if (!headers_sent()) {
+            print_header('', '', '', '', '<meta http-equiv="refresh" content="'. $delay .'; url='. $encodedurl .'" />');
+        }
         echo '<center>';
         echo '<p>'. $message .'</p>';
         echo '<p>( <a href="'. $encodedurl .'">'. get_string('continue') .'</a> )</p>';
-- 
2.39.5