From fd2ac997ef87a6fdbdfe61ba05d1cc125cf571c6 Mon Sep 17 00:00:00 2001
From: Paal Joergensen <pal.jorgensen@gmail.com>
Date: Fri, 26 Oct 2018 08:45:20 +0200
Subject: [PATCH] HFP-2328 Fix bug

---
 h5p-metadata.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/h5p-metadata.class.php b/h5p-metadata.class.php
index 6884e0e..3a504e3 100644
--- a/h5p-metadata.class.php
+++ b/h5p-metadata.class.php
@@ -85,7 +85,7 @@ abstract class H5PMetadata {
         continue;
       }
 
-      if ($metadata[$key] === null || isset($metadata[$key])) {
+      if (array_key_exists($key, $metadata)) {
         $value = $metadata[$key];
         $db_field_name = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $key));