From 718dbada67e47b7eff9de3969b96f24bfb09d3a8 Mon Sep 17 00:00:00 2001
From: mark-nielsen <mark-nielsen>
Date: Thu, 27 Apr 2006 16:48:38 +0000
Subject: [PATCH] [Fix] Notices were being printed in PHP5 for NULL objects. 
 Checking for NULL now before using in multichoice and truefalse questions

---
 mod/lesson/report.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/mod/lesson/report.php b/mod/lesson/report.php
index dee4eba8b5..00d1f3a35e 100644
--- a/mod/lesson/report.php
+++ b/mod/lesson/report.php
@@ -508,7 +508,11 @@
                         case LESSON_MULTICHOICE:
                         case LESSON_TRUEFALSE:
                             if ($page->qoption) {
-                                $userresponse = explode(",", $useranswer->useranswer);
+                                if ($useranswer == NULL) {
+                                    $userresponse = array();
+                                } else {
+                                    $userresponse = explode(",", $useranswer->useranswer);
+                                }
                                 if (in_array($answer->id, $userresponse)) {
                                     // make checked
                                     $data = "<input  readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$i]\" checked=\"checked\" type=\"checkbox\" value=\"1\" />";
@@ -542,7 +546,7 @@
                                     $data .= format_text($answer->answer,FORMAT_MOODLE,$formattextdefoptions);
                                 }
                             } else {
-                                if ($answer->id == $useranswer->answerid) {
+                                if ($useranswer != NULL and $answer->id == $useranswer->answerid) {
                                     // make checked
                                     $data = "<input  readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$i]\" checked=\"checked\" type=\"checkbox\" value=\"1\" />";
                                     if ($answer->response == NULL) {
-- 
2.39.5