From a5cf1236db6779bdd5004515a34df7dd7151396f Mon Sep 17 00:00:00 2001
From: freek <freek@spatie.be>
Date: Tue, 27 Nov 2018 21:39:27 +0100
Subject: [PATCH] commit

---
 src/WebSockets/Channels/ChannelManager.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/WebSockets/Channels/ChannelManager.php b/src/WebSockets/Channels/ChannelManager.php
index 765bc23..b8cd4f4 100644
--- a/src/WebSockets/Channels/ChannelManager.php
+++ b/src/WebSockets/Channels/ChannelManager.php
@@ -47,6 +47,10 @@ class ChannelManager
 
     public function removeFromAllChannels(ConnectionInterface $connection)
     {
+        if (! isset($connection->client)) {
+            return;
+        }
+
         collect($this->channels[$connection->client->appId])->each->unsubscribe($connection);
 
         collect($this->channels[$connection->client->appId])