From dd30ae41d079aa61dd71225497c44f9ed1c2b999 Mon Sep 17 00:00:00 2001
From: Eduardo Pinto <efgpinto@gmail.com>
Date: Thu, 23 Feb 2012 14:10:18 +0800
Subject: [PATCH] MDL-26496 Lesson Module: removed warning when no answer is
 selected from single choice question

---
 mod/lesson/pagetypes/multichoice.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mod/lesson/pagetypes/multichoice.php b/mod/lesson/pagetypes/multichoice.php
index 3e666c5d2fd..7ab9d2cd0e7 100644
--- a/mod/lesson/pagetypes/multichoice.php
+++ b/mod/lesson/pagetypes/multichoice.php
@@ -253,7 +253,7 @@ class lesson_page_type_multichoice extends lesson_page {
             }
         } else {
             // only one answer allowed
-            if (empty($data->answerid) && !is_int($data->answerid)) {
+            if (!isset($data->answerid) || (empty($data->answerid) && !is_int($data->answerid))) {
                 $result->noanswer = true;
                 return $result;
             }