From 87b270ef6ab4f72333508a930b0e5e16c6491a61 Mon Sep 17 00:00:00 2001
From: vyshane <vyshane>
Date: Fri, 1 Dec 2006 05:20:14 +0000
Subject: [PATCH] Added check for guest user in forum_subscribed_users. Guest
 user should never be subsctibed to a forum.

---
 mod/forum/lib.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index 820053b446a..39ba13bfb25 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -1679,13 +1679,16 @@ function forum_subscribed_users($course, $forum, $groupid=0, $cache=false) {
                                AND u.deleted <> 1  $groupselect
                           ORDER BY u.email ASC");
     }
+	// Guest user should never be subscribed to a forum.
+	if ($guest = guest_user()) {
+		unset($results[$guest->id]);
+	}
 
     if ($cache) {
         $resultscache[$forum->id][$groupid] = $results;
     }
 
     return $results;
-    
 }