From 6adaf83e669dcd743e94c5f99e8339b14f803990 Mon Sep 17 00:00:00 2001
From: thepurpleblob <thepurpleblob>
Date: Wed, 30 Jun 2004 12:39:22 +0000
Subject: [PATCH] fixed bug #1556 - implode could be called on non-array data

---
 mod/quiz/lib.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index 0093bf96f9..cb05844409 100644
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -1888,7 +1888,14 @@ function quiz_save_attempt($quiz, $questions, $result, $attemptnum) {
         }
 
         if (!empty($question->answer)) {
-            $response->answer = implode(",",$question->answer);
+            if (is_array($question->answer))
+            {
+                $response->answer = implode(",",$question->answer);
+            }
+            else
+            {
+                $response->answer=$question->answer;
+            }
         } else {
             $response->answer = "";
         }
-- 
2.39.5