From 8a2c90768f2248e1db169798f326f3baa29bd0f2 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Mon, 26 Jan 2004 09:12:52 +0000
Subject: [PATCH] Clarification to some group logic

---
 lib/moodlelib.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index dd3b5e5352..d424d0ba74 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -904,6 +904,10 @@ function remove_course_contents($courseid, $showfeedback=true) {
 function ismember($groupid, $userid=0) {
     global $USER;
 
+    if (!$groupid) {   // No point doing further checks
+        return false;
+    }
+
     if (!$userid) {
         if (empty($USER->groupmember)) {
             return false;
@@ -972,7 +976,7 @@ function get_current_group($courseid, $full=false) {
 
     if (empty($SESSION->currentgroup[$courseid])) {
         if (empty($USER->groupmember[$courseid])) {
-            return false;
+            return 0;
         } else {
             $SESSION->currentgroup[$courseid] = $USER->groupmember[$courseid];
         }
-- 
2.39.5