MDL-30758 quiz_statistics report fails if all 1st attempts require grading

2011-12-15 12:52:10 +00:00
parent cb8e878573
commit 67cb80dc09
1 changed files with 1 additions and 1 deletions
@@ -668,7 +668,7 @@ class quiz_statistics_report extends quiz_default_report {
            $firstattempts = new stdClass();
            $firstattempts->countrecs = 0;
            $firstattempts->total = 0;
-            $firstattempts->average = '-';
+            $firstattempts->average = null;
        }

        $allattempts = new stdClass();