Merging fix for MDL-12088 from MOODLE_19_STABLE

diff --git a/mod/lesson/action/continue.php b/mod/lesson/action/continue.php
index 5d58caee5d1216a0ed6af6644639a3dd7168a6ab..3b5aa19dcf453da561973949d416428076e1eb52 100644 (file)
--- a/mod/lesson/action/continue.php
+++ b/mod/lesson/action/continue.php
@@ -392,6 +392,7 @@
             }
             $userresponse = implode(",", $userresponse);
 
+            $response = '';
             if ($ncorrect == count($answers)-2) {  // dont count correct/wrong responses in the total.
                 foreach ($answers as $answer) {
                     if ($answer->response == NULL && $answer->answer != NULL) {