From 4946afb46673219947e1bf1297a70516019d8ec6 Mon Sep 17 00:00:00 2001
From: LouisGac <louis.gac@limesurvey.org>
Date: Thu, 21 Dec 2017 14:50:33 +0100
Subject: [PATCH] Dev: replaced is_null by empty

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

diff --git a/application/models/Template.php b/application/models/Template.php
index c96c9528935..5ce0cc19d00 100755
--- a/application/models/Template.php
+++ b/application/models/Template.php
@@ -236,7 +236,7 @@ public static function getTemplateConfiguration($sTemplateName = null, $iSurveyI
         // First we try to get a confifuration row from DB
         if (!$bForceXML) {
             // The name need to be filtred only for DB version. From TemplateEditor, the template is not installed.
-            $sTemplateName = (is_null($sTemplateName)) ? null : self::templateNameFilter($sTemplateName);
+            $sTemplateName = (empty($sTemplateName)) ? null : self::templateNameFilter($sTemplateName);
             $oTemplateConfigurationModel = TemplateConfiguration::getInstance($sTemplateName, $iSurveyGroupId, $iSurveyId);
         }