From b933b378e392b6d08f666aecd02cf6bf6f9ef62e Mon Sep 17 00:00:00 2001
From: dongsheng <dongsheng>
Date: Tue, 9 Dec 2008 06:52:27 +0000
Subject: [PATCH] "MDL-17391, fix file_type_to_ext to class, which should
 return array all the time"

---
 lib/filelib.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/filelib.php b/lib/filelib.php
index 0df41dcc53..972498d5f2 100644
--- a/lib/filelib.php
+++ b/lib/filelib.php
@@ -2088,8 +2088,8 @@ class file_type_to_ext {
     public function get_file_ext($types) {
         $this->result = array();
         if ((is_array($types) && in_array('*', $types)) ||
-            $types == '*') {
-            return '*';
+            $types == '*' || empty($types)) {
+            return array('*');
         }
         foreach ($types as $key=>$value){
             if (strpos($value, '.') !== false) {
-- 
2.39.5