MDL-39947 mod_forum: Add safety check to variable assignment when counting unread posts

2013-05-31 09:50:35 +09:30
parent ae61eea349
commit 752fb7113d
1 changed files with 5 additions and 1 deletions
@@ -6741,7 +6741,11 @@ function forum_tp_count_forum_unread_posts($cm, $course) {
        $modinfo->groups = groups_get_user_groups($course->id, $USER->id);
    }

-    $mygroups = $modinfo->groups[$cm->groupingid];
+    if (array_key_exists($cm->groupingid, $modinfo->groups)) {
+        $mygroups = $modinfo->groups[$cm->groupingid];
+    } else {
+        $mygroups = false; // Will be set below
+    }

    // add all groups posts
    if (empty($mygroups)) {