From d448572dae73b09a13d319be5827df9101badb8e Mon Sep 17 00:00:00 2001
From: Vladimir Goncharov <morozovsk@gmail.com>
Date: Mon, 9 Jan 2017 12:53:13 +0200
Subject: [PATCH] Update Daemon.php

add check into sendToClient for connection exist
---
 Daemon.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Daemon.php b/Daemon.php
index 239862a..ca7cef6 100644
--- a/Daemon.php
+++ b/Daemon.php
@@ -64,7 +64,7 @@ protected function close($connectionId) {
     }
 
     protected function sendToClient($connectionId, $data, $type = 'text') {
-        if (!isset($this->_handshakes[$connectionId])) {
+        if (!isset($this->_handshakes[$connectionId]) && isset($this->clients[$connectionId])) {
             $this->_write($connectionId, $this->_encode($data, $type));
         }
     }