From 0f097239c4b2456d4abca7571902e58e1028b04a Mon Sep 17 00:00:00 2001
From: nicolasconnault <nicolasconnault>
Date: Fri, 11 Sep 2009 06:59:30 +0000
Subject: [PATCH] MDL-19823 Fixed un-handled case of emty array in foreach loop

---
 tag/lib.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tag/lib.php b/tag/lib.php
index e5f1ac1ea2..9e9b2fffed 100644
--- a/tag/lib.php
+++ b/tag/lib.php
@@ -92,6 +92,10 @@ function tag_set($record_type, $record_id, $tags) {
         }
     }
 
+    if (empty($tags)) {
+        return true;
+    }
+
     foreach($tags as $ordering => $tag) {
         $tag = trim($tag);
         if (!$tag) {
-- 
2.39.5