From 32462b2c106ed87caa3c20e2c3271758daf58fd8 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Sat, 15 Dec 2007 16:53:39 +0000
Subject: [PATCH] MDL-12592 do not execute theme_setup() if header already
 printed; merged from MOODLE_19_STABLE

---
 lib/weblib.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/weblib.php b/lib/weblib.php
index 9d38699539..3d17e66aa7 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -3187,6 +3187,11 @@ function theme_setup($theme = '', $params=NULL) {
 
     global $CFG, $THEME, $SESSION, $USER, $HTTPSPAGEREQUIRED;
 
+/// Do not mess with THEME if header already printed - this would break all the extra stuff in global $THEME from print_header()!!
+    if (defined('HEADER_PRINTED')) {
+        return;
+    }
+
     if (empty($theme)) {
         $theme = current_theme();
     }
@@ -7029,4 +7034,4 @@ function is_in_popup() {
 
 
 // vim:autoindent:expandtab:shiftwidth=4:tabstop=4:tw=140:
-?>
\ No newline at end of file
+?>
-- 
2.39.5