Initialize $permissions variable in ActivityPub\Transmitter::fetchPermissionBlockFrom...

- Address https://github.com/friendica/friendica/issues/10757#issuecomment-927361800

diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php
index 44b0463b033b4e73e799937ddd6d617cb77bb356..9b5d05213888918aff1ccb3c3970080292b3f9bc 100644 (file)
--- a/src/Protocol/ActivityPub/Transmitter.php
+++ b/src/Protocol/ActivityPub/Transmitter.php
@@ -437,6 +437,13 @@ class Transmitter
                        return [];
                }
 
+               $permissions = [
+                       'to' => [],
+                       'cc' => [],
+                       'bto' => [],
+                       'bcc' => [],
+               ];
+
                $activity = json_decode($conversation['source'], true);
 
                $actor = JsonLD::fetchElement($activity, 'actor', 'id');