From 11624cfee9478b102fb668dbdd25e39e70a9a3f9 Mon Sep 17 00:00:00 2001
From: Carsten Schmitz <c_schmitz@users.sourceforge.net>
Date: Sun, 9 Dec 2012 18:12:07 +0100
Subject: [PATCH] Fixed issue #7023: Error when viewing charts in stats with a
 radio button question

---
 application/helpers/admin/statistics_helper.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/application/helpers/admin/statistics_helper.php b/application/helpers/admin/statistics_helper.php
index 2f70ecbadca..d73e7116843 100644
--- a/application/helpers/admin/statistics_helper.php
+++ b/application/helpers/admin/statistics_helper.php
@@ -193,9 +193,10 @@ function createChart($iQuestionID, $iSurveyID, $type = null, $lbl, $gdata, $graw
             // this block is to remove the items with value == 0
             // and an inelegant way to remove comments from List with Comments questions
             $i = 0;
+            $aHelperArray=array_keys($lbl);
             while (isset ($gdata[$i]))
             {
-                if ($gdata[$i] == 0 || ($type == "O" && substr($lbl[$i],0,strlen($oLanguage->gT("Comments")))==$oLanguage->gT("Comments")))
+                if ($gdata[$i] == 0 || ($type == "O" && substr($aHelperArray[$i],0,strlen($oLanguage->gT("Comments")))==$oLanguage->gT("Comments")))
                 {
                     array_splice ($gdata, $i, 1);
                     array_splice ($lbl, $i, 1);