From: tjhunt <tjhunt>
Date: Thu, 18 Sep 2008 04:31:11 +0000 (+0000)
Subject: MDL-15452 quiz navigation - followup - avoid a division by 0.
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=1aea04dcbfbd95dfac03441e0d91f877ab7e1248;p=moodle.git

MDL-15452 quiz navigation - followup - avoid a division by 0.
---

diff --git a/mod/quiz/attemptlib.php b/mod/quiz/attemptlib.php
index 90c9136976..71aa8aed2b 100644
--- a/mod/quiz/attemptlib.php
+++ b/mod/quiz/attemptlib.php
@@ -546,7 +546,7 @@ class quiz_attempt extends quiz {
             case QUESTION_EVENTCLOSE:
             case QUESTION_EVENTMANUALGRADE:
                 $options = $this->get_render_options($this->states[$questionid]);
-                if ($options->scores) {
+                if ($options->scores && $this->questions[$questionid]->maxgrade > 0) {
                     return question_get_feedback_class($state->last_graded->raw_grade /
                             $this->questions[$questionid]->maxgrade);
                 } else {