From 94fa6c9d053154c17fbfdd3720973f702a2d7007 Mon Sep 17 00:00:00 2001
From: witt <witt@sr29.sub.uni-hamburg.de>
Date: Fri, 23 Oct 2020 08:42:58 +0200
Subject: [PATCH] Added possible https connection in preg_match

---
 Classes/Lib/Zdb.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Classes/Lib/Zdb.php b/Classes/Lib/Zdb.php
index 5c98c73..9b4c9b6 100755
--- a/Classes/Lib/Zdb.php
+++ b/Classes/Lib/Zdb.php
@@ -430,7 +430,7 @@ public function getSuccessor($zdbId){
 
         $request = $this->setRequest($url);
 
-        preg_match('/\<rdau:P60306 rdf:resource="http:\/\/ld.zdb-services.de\/resource\/(.*)"\/\>/', $request, $matches, PREG_OFFSET_CAPTURE);
+        preg_match('/\<rdau:P60306 rdf:resource="https?:\/\/ld.zdb-services.de\/resource\/(.*)"\/\>/', $request, $matches, PREG_OFFSET_CAPTURE);
 
         if(!empty($matches[1][0])){
             $this->successor[]['zdbid'] = $matches[1][0];