From 34d8942aa8ee9125a34ae5d92453655ddaca078a Mon Sep 17 00:00:00 2001
From: vedatakd <vedat@vebze.com>
Date: Wed, 27 Jan 2021 17:50:28 +0300
Subject: [PATCH] fixed null

---
 .../visiosoft/advs-module/src/AdvsModulePlugin.php       | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/addons/default/visiosoft/advs-module/src/AdvsModulePlugin.php b/addons/default/visiosoft/advs-module/src/AdvsModulePlugin.php
index 2005dd80e..733c2d8c6 100644
--- a/addons/default/visiosoft/advs-module/src/AdvsModulePlugin.php
+++ b/addons/default/visiosoft/advs-module/src/AdvsModulePlugin.php
@@ -131,9 +131,12 @@ class AdvsModulePlugin extends Plugin
         return [
             new \Twig_SimpleFilter(
                 'ksort',
-                function (array $array) {
-                    ksort($array);
-                    return $array;
+                function ($array) {
+                    if ($array) {
+                        ksort($array);
+                        return $array;
+                    }
+                    return null;
                 }
             ),
         ];