From: pichetp <pichetp>
Date: Sat, 6 Oct 2007 20:51:28 +0000 (+0000)
Subject: checking that there remain $oldwrappedids before deleting them lines 87-..
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=4bc4ca50a6be23ff3b7b6f42c59a120617d76584;p=moodle.git

checking that there remain $oldwrappedids before deleting them lines 87-..
add         if(is_array($oldwrappedids) && count($oldwrappedids)){
---

diff --git a/question/type/multianswer/questiontype.php b/question/type/multianswer/questiontype.php
index 7f3fe1fd0b..fc65b95c0a 100644
--- a/question/type/multianswer/questiontype.php
+++ b/question/type/multianswer/questiontype.php
@@ -84,8 +84,10 @@ class embedded_cloze_qtype extends default_questiontype {
         }
 
         // Delete redundant wrapped questions
-        $oldwrappedids = implode(',', $oldwrappedids);
-        delete_records_select('question', "id IN ($oldwrappedids)");
+        if(is_array($oldwrappedids) && count($oldwrappedids)){ 
+            $oldwrappedids = implode(',', $oldwrappedids);
+            delete_records_select('question', "id IN ($oldwrappedids)");
+        }
 
         if (!empty($sequence)) {
             $multianswer = new stdClass;