From: nicolasconnault <nicolasconnault>
Date: Fri, 11 Sep 2009 06:59:30 +0000 (+0000)
Subject: MDL-19823 Fixed un-handled case of emty array in foreach loop
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=0f097239c4b2456d4abca7571902e58e1028b04a;p=moodle.git

MDL-19823 Fixed un-handled case of emty array in foreach loop
---

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) {