From bcc493b7a5e5454f1aaadd6da4144e40ff487913 Mon Sep 17 00:00:00 2001
From: Daniil Gentili <daniil@daniil.it>
Date: Sat, 19 Oct 2024 15:03:50 +0000
Subject: [PATCH] Peer database bugfix

---
 src/MTProtoTools/PeerDatabase.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/MTProtoTools/PeerDatabase.php b/src/MTProtoTools/PeerDatabase.php
index 2c6d61850..80fc167be 100644
--- a/src/MTProtoTools/PeerDatabase.php
+++ b/src/MTProtoTools/PeerDatabase.php
@@ -265,7 +265,7 @@ final class PeerDatabase implements TLCallback
         if (!$this->API->settings->getDb()->getEnableUsernameDb()) {
             return;
         }
-        $new = self::getUsernames($new);
+        $new = $new ? self::getUsernames($new) : [];
         $old = $old ? self::getUsernames($old) : [];
         $diffToRemove = array_diff($old, $new);
         $diffToAdd = array_diff($new, $old);