From 3431c4435940cbfefc1c0ad2986fdf87b6d80669 Mon Sep 17 00:00:00 2001
From: Eugene Leonovich <eugene.leonovich@helloprint.com>
Date: Wed, 21 Feb 2018 16:54:05 +0100
Subject: [PATCH] Enhance StreamConnection::isClosed() detection

Sometimes when dealing with amphp StreamConnection::$stream reset to 0
---
 src/Connection/StreamConnection.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Connection/StreamConnection.php b/src/Connection/StreamConnection.php
index 77910654..f43848c3 100644
--- a/src/Connection/StreamConnection.php
+++ b/src/Connection/StreamConnection.php
@@ -64,7 +64,7 @@ public function close()
 
     public function isClosed()
     {
-        return null === $this->stream;
+        return !\is_resource($this->stream);
     }
 
     public function send($data)