From 2ec1446b2882ee046d1cefca427a7ad046a6d633 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20Mrozi=C5=84ski?= <maciej.mrozinski@kinguin.net>
Date: Fri, 7 Apr 2017 18:43:30 +0200
Subject: [PATCH] Cast getSize() to string for Content-Length header

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

diff --git a/src/Server.php b/src/Server.php
index e081fb62..87ae5054 100644
--- a/src/Server.php
+++ b/src/Server.php
@@ -341,7 +341,7 @@ public function handleResponse(ConnectionInterface $connection, RequestInterface
         }
 
         if (!$response->getBody() instanceof HttpBodyStream) {
-            $response = $response->withHeader('Content-Length', $response->getBody()->getSize());
+            $response = $response->withHeader('Content-Length', (string)$response->getBody()->getSize());
         } elseif (!$response->hasHeader('Content-Length') && $request->getProtocolVersion() === '1.1') {
             // assign chunked transfer-encoding if no 'content-length' is given for HTTP/1.1 responses
             $response = $response->withHeader('Transfer-Encoding', 'chunked');