From 537d44e801312ceae5f8250c7d91ad8f5fef4866 Mon Sep 17 00:00:00 2001
From: dongsheng <dongsheng>
Date: Thu, 8 Jan 2009 05:12:49 +0000
Subject: [PATCH] "MDL-13766/REPOSITORY, deal with filtering empty directory"

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

diff --git a/repository/lib.php b/repository/lib.php
index 1999eaa20f..a05c320906 100644
--- a/repository/lib.php
+++ b/repository/lib.php
@@ -1466,7 +1466,9 @@ abstract class repository {
         $ext = $ft->get_file_ext($this->supported_filetypes());
         if (isset($value->children)) {
             $pass = true;
-            $value->children = array_filter($value->children, array($this, 'filter'));
+            if (!empty($value->children)) {
+                $value->children = array_filter($value->children, array($this, 'filter'));
+            }
         } else {
             if ($accepted_types == '*' || in_array('*', $accepted_types)) {
                 $pass = true;
-- 
2.39.5