From 3db814c3a3c5dd7d46d180a67f3f6598a430d04e Mon Sep 17 00:00:00 2001
From: Beatrycze Volk <beatrycze.volk@slub-dresden.de>
Date: Fri, 31 May 2024 16:07:03 +0200
Subject: [PATCH] [BUGFIX] Correctly check if `storagePid` key exists in array
 (#1241)

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

diff --git a/Classes/Common/AbstractDocument.php b/Classes/Common/AbstractDocument.php
index 0f3d280f6..42901fc8e 100644
--- a/Classes/Common/AbstractDocument.php
+++ b/Classes/Common/AbstractDocument.php
@@ -574,7 +574,7 @@ public static function &getInstance(string $location, array $settings = [], bool
         }
 
         // Sanitize input.
-        $pid = $settings['storagePid'] ? max((int) $settings['storagePid'], 0) : 0;
+        $pid = array_key_exists('storagePid', $settings) ? max((int) $settings['storagePid'], 0) : 0;
         if ($documentFormat == 'METS') {
             $instance = new MetsDocument($pid, $location, $xml, $settings);
         } elseif ($documentFormat == 'IIIF') {