From bfb8cbae2ea2fb38b5b095c47ff14cae00c82d93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20Fl=C3=BCr?= <fluer.markus@googlemail.com>
Date: Mon, 5 Nov 2018 15:20:24 +0100
Subject: [PATCH] Fixed issue: PHP7 compatibility 2

---
 application/helpers/export_helper.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/application/helpers/export_helper.php b/application/helpers/export_helper.php
index f5fb8e77801..e234d8225ef 100644
--- a/application/helpers/export_helper.php
+++ b/application/helpers/export_helper.php
@@ -2633,7 +2633,7 @@ function tsvSurveyExport($surveyid){
  * @param string $column_name
  **/
 function sortArrayByColumn(&$array, $column_name){
-    uasort($array, function($a,$b) {
+    uasort($array, function($a,$b) use ($column_name) {
         return strnatcmp($a["' . $column_name . '"], $b["' . $column_name . '"]);
     });
 }