OU bug 3463 - warnings when you start an attempt in 'each attempt builds on last' mode.

2007-07-17 15:28:04 +00:00
parent dc751c555e
commit fdfe84df84
1 changed files with 2 additions and 1 deletions
@@ -1133,7 +1133,8 @@ function question_process_responses(&$question, &$state, $action, $cmoptions, &$
    // Check for unchanged responses (exactly unchanged, not equivalent).
    // We also have to catch questions that the student has not yet attempted
    $sameresponses = $QTYPES[$question->qtype]->compare_responses($question, $action, $state);
-    if ($state->last_graded->event == QUESTION_EVENTOPEN && question_isgradingevent($action->event)) {
+    if (!empty($state->last_graded) && $state->last_graded->event == QUESTION_EVENTOPEN &&
+            question_isgradingevent($action->event)) {
        $sameresponses = false;
    }