Fixed issue #11651: Multiple question exportation to SPSS unclear

Dev: use isset for !is_null, if it's null : not answered
LimeSurvey · Sep 16, 2016 · fbbca82 · fbbca82
1 parent 7d42ff6
commit fbbca82
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/application/helpers/export_helper.php b/application/helpers/export_helper.php
@@ -180,9 +180,11 @@ function SPSSExportData ($iSurveyID, $iLength, $na = '', $q='\'', $header=FALSE)
                                 if ($row[$fieldno] == 'Y')
                                 {
                                     echo($q. 1 .$q);
-                                } else
+                                } elseif(isset($row[$fieldno]))
                                 {
                                     echo($q. 0 .$q);
+                                } else {
+                                    echo($na);
                                 }
                             } elseif (!$field['hide']) {
                                 $strTmp=mb_substr(stripTagsFull($row[$fieldno]), 0, $iLength);