From db784f7936745c23559ca722b5b19ae21e57b577 Mon Sep 17 00:00:00 2001
From: thepurpleblob <thepurpleblob>
Date: Mon, 5 Jan 2009 15:20:11 +0000
Subject: [PATCH] MDL-17779 Add simple check that question at least has
 questiontext before allowing it.

---
 question/format/hotpot/format.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/question/format/hotpot/format.php b/question/format/hotpot/format.php
index acf55582e05..245e7b0e3e3 100644
--- a/question/format/hotpot/format.php
+++ b/question/format/hotpot/format.php
@@ -476,7 +476,10 @@ class qformat_hotpot extends qformat_default {
                         $question->fraction[$aa] = 1;
                     }
                 }
-                $questions[] = $question;
+                // add a sanity check for empty questions, see MDL-17779
+                if (!empty($question->questiontext)) {
+                    $questions[] = $question;
+                }
                 $q++;
             }
             $x++;