From e86cc55ba60dd7b7a4edea427a1aff283dbb816a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Werner=20M=2E=20Krau=C3=9F?= <werner.krauss@netwerkstatt.at>
Date: Thu, 1 Jun 2017 14:43:25 +0200
Subject: [PATCH] fixing a PHP7 only statement to be 5.6 compatible

---
 code/extensions/GroupSubsites.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/code/extensions/GroupSubsites.php b/code/extensions/GroupSubsites.php
index 41667415..cdb18c63 100644
--- a/code/extensions/GroupSubsites.php
+++ b/code/extensions/GroupSubsites.php
@@ -46,7 +46,8 @@ public function requireDefaultRecords()
             return;
         }
         // Migration for Group.SubsiteID data from when Groups only had a single subsite
-        $schema = $this->owner::getSchema();
+        $ownerClass = get_class($this->owner);
+        $schema = $ownerClass::getSchema();
         $groupFields = DB::field_list($schema->tableName(Group::class));
 
         // Detection of SubsiteID field is the trigger for old-style-subsiteID migration