Merge branch 'MDL-28684_21' of git://github.com/timhunt/moodle into MOODLE_21_STABLE

2011-08-24 17:12:18 +02:00
parent 7faa5b4e9c e9f707d38a
commit ddec658859
1 changed files with 1 additions and 3 deletions
@@ -41,9 +41,7 @@ class qtype_multichoice_qe2_attempt_updater extends question_qtype_attempt_updat

    public function is_blank_answer($state) {
        // blank multichoice answers are not empty strings, they rather end in a colon
-        $a = $state->answer;
-        $empty = (substr($a, strlen($a) - 1) == ':');
-        return $empty;
+        return empty($state->answer) || substr($a, -1) == ':';
    }

    public function right_answer() {