From 5c98fcd402198b442250f37950e36ef101125b02 Mon Sep 17 00:00:00 2001
From: tjhunt <tjhunt>
Date: Tue, 22 Jul 2008 09:03:51 +0000
Subject: [PATCH] Error with submitting quizzes - regression caused by
 MDL-15542.

---
 mod/quiz/processattempt.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/mod/quiz/processattempt.php b/mod/quiz/processattempt.php
index b63c011e09..bf86e505c1 100644
--- a/mod/quiz/processattempt.php
+++ b/mod/quiz/processattempt.php
@@ -81,7 +81,11 @@ if ($attemptobj->is_finished()) {
 /// Don't log - we will end with a redirect to a page that is logged.
 
 /// Get the list of questions needed by this page.
-$submittedquestionids = explode(',', $submittedquestionids);
+if (!empty($submittedquestionids)) {
+    $submittedquestionids = explode(',', $submittedquestionids);
+} else {
+    $submittedquestionids = array();
+}
 if ($finishattempt) {
     $questionids = $attemptobj->get_question_ids();
 } else {
@@ -90,7 +94,9 @@ if ($finishattempt) {
 
 /// Load those questions we need, and just the submitted states for now.
 $attemptobj->load_questions($questionids);
-$attemptobj->load_question_states($submittedquestionids);
+if (!empty($submittedquestionids)) {
+    $attemptobj->load_question_states($submittedquestionids);
+}
 
 /// Process the responses /////////////////////////////////////////////////
 if (!$responses = data_submitted()) {
-- 
2.39.5