From b73d8a35c2eaa4d15be7d595d4d97513a25dff86 Mon Sep 17 00:00:00 2001
From: Marina Glancy <marina@moodle.com>
Date: Thu, 5 Sep 2013 11:30:45 +1000
Subject: [PATCH] MDL-41594 Bug fix for orphaned invisible categories

thanks to L.Sanocki
---
 lib/coursecatlib.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/coursecatlib.php b/lib/coursecatlib.php
index 9cd0f6cb833..7db820fc647 100644
--- a/lib/coursecatlib.php
+++ b/lib/coursecatlib.php
@@ -596,6 +596,9 @@ class coursecat implements renderable, cacheable_object, IteratorAggregate {
             } else {
                 // parent not found. This is data consistency error but next fix_course_sortorder() should fix it
                 $all[0][] = $record->id;
+                if (!$record->visible) {
+                    $all['0i'][] = $record->id;
+                }
             }
             $count++;
         }