From cd150123116d158f97436592ab1509e90bf9a9d3 Mon Sep 17 00:00:00 2001
From: Chris Boden <cboden@gmail.com>
Date: Fri, 20 Oct 2017 10:25:12 -0400
Subject: [PATCH] Mask the close frame

---
 src/WebSocket.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/WebSocket.php b/src/WebSocket.php
index bf0ebc8..0e9f7f6 100644
--- a/src/WebSocket.php
+++ b/src/WebSocket.php
@@ -130,6 +130,7 @@ public function send($msg) {
 
     public function close($code = 1000, $reason = '') {
         $frame = new Frame(pack('n', $code) . $reason, true, Frame::OP_CLOSE);
+        $frame->maskPayload();
         $this->_stream->write($frame->getContents());
 
         $closeFn = $this->_close;