fixed stupid bug in code for adding random questions

diff --git a/mod/quiz/multiple.php b/mod/quiz/multiple.php
index b9ceb1b164f2ea72f82f583337418a048f674667..411771f546f8edc83adde09e6d994b3c7600a5a7 100644 (file)
--- a/mod/quiz/multiple.php
+++ b/mod/quiz/multiple.php
@@ -41,7 +41,7 @@
                 // now remove the ones that are already used in this quiz
                 if ($questionids = explode(',', $modform->questions)) {
                     foreach ($questionids as $questionid) {
-                        unset($existingquestions[$key]);
+                        unset($existingquestions[$questionid]);
                     }
                 }
                 // now take as many of these as needed