From 2832badf384ff505b14ed76f7f54a0481b27cdec Mon Sep 17 00:00:00 2001
From: stronk7 <stronk7>
Date: Sat, 20 Sep 2003 17:08:45 +0000
Subject: [PATCH] Added one check to avoid some notices in
 make_categories_list(). Commented in Moodle's forum:
 http://moodle.org/mod/forum/discuss.php?d=2627

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

diff --git a/course/lib.php b/course/lib.php
index 151c7d5990..ea300310cb 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -895,7 +895,9 @@ function make_categories_list(&$list, &$parents, $category=NULL, $path="") {
     if ($categories = get_categories("$category->id")) {   // Print all the children recursively
         foreach ($categories as $cat) {
             if (!empty($category->id)) {
-                $parents[$cat->id]   = $parents[$category->id];
+                if (!empty($parents[$category->id])) {
+                    $parents[$cat->id]   = $parents[$category->id];
+                }
                 $parents[$cat->id][] = $category->id;
             }
             make_categories_list($list, $parents, $cat, $path);         
-- 
2.39.5