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

moodle · Aug 24, 2011 · f04da0f · f04da0f
2 parents a3f2ad4 + 4ca3f2d
commit f04da0f
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/question/type/multichoice/db/upgradelib.php b/question/type/multichoice/db/upgradelib.php
@@ -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() {