From 059b6800b51065aa5df1cb99fa87094868eb7c90 Mon Sep 17 00:00:00 2001
From: Sebastian Kostka <derkostka@users.noreply.github.com>
Date: Sun, 11 Jun 2017 22:25:21 +0200
Subject: [PATCH] Create Sapi.php

---
 lib/Sapi.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/Sapi.php b/lib/Sapi.php
index 4101f82..534a8f0 100644
--- a/lib/Sapi.php
+++ b/lib/Sapi.php
@@ -88,8 +88,14 @@ static function sendResponse(ResponseInterface $response) {
         if ($contentLength !== null) {
             $output = fopen('php://output', 'wb');
             if (is_resource($body) && get_resource_type($body) == 'stream') {
-                while (!feof($body)) {
-                    fwrite($output,fread($body,8192));    
+                if PHP_INT_SIZE != 4){
+                    // use the dedicated function on 64 Bit systems
+                    stream_copy_to_stream($body, $output, $contentLength);  
+                } else {
+                    // workaround for 32 Bit systems to avoid stream_copy_to_stream
+                    while (!feof($body)) {
+                        fwrite($output,fread($body,8192));    
+                      }   
                 }
             } else {
                 fwrite($output, $body, (int)$contentLength);