From 5a25f84d25a078e50c7106273c79464066d06663 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Mon, 14 Apr 2003 13:52:59 +0000
Subject: [PATCH] Fix for off-by-one grade error when 'Save Grades' had not
 been used

---
 mod/quiz/lib.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index 4409ab4427..d8a16dda60 100644
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -924,6 +924,10 @@ function quiz_get_all_question_grades($questionlist, $quizid) {
 // Given a list of question IDs, finds grades or invents them to 
 // create an array of matching grades
 
+    if (empty($questionlist)) {
+        return array();
+    }
+
     $questions = quiz_get_question_grades($quizid, $questionlist);
 
     $list = explode(",", $questionlist);
-- 
2.39.5