SCA: minor control flow tweaks

Author: kalessil

examples/09-stream-request.php

@@ -16,11 +16,12 @@
 $server = new StreamingServer(function (ServerRequestInterface $request) {
     return new Promise(function ($resolve, $reject) use ($request) {
         $contentLength = 0;
-        $request->getBody()->on('data', function ($data) use (&$contentLength) {
+        $requestBody = $request->getBody();
+        $requestBody->on('data', function ($data) use (&$contentLength) {
             $contentLength += strlen($data);
         });
 
-        $request->getBody()->on('end', function () use ($resolve, &$contentLength){
+        $requestBody->on('end', function () use ($resolve, &$contentLength){
             $response = new Response(
                 200,
                 array(
@@ -32,7 +33,7 @@
         });
 
         // an error occures e.g. on invalid chunked encoded data or an unexpected 'end' event
-        $request->getBody()->on('error', function (\Exception $exception) use ($resolve, &$contentLength) {
+        $requestBody->on('error', function (\Exception $exception) use ($resolve, &$contentLength) {
             $response = new Response(
                 400,
                 array(

src/Io/ChunkedEncoder.php

@@ -101,8 +101,7 @@ public function handleEnd()
      */
     private function createChunk($data)
     {
-        $byteSize = strlen($data);
-        $byteSize = dechex($byteSize);
+        $byteSize = dechex(strlen($data));
         $chunkBeginning = $byteSize . "\r\n";
 
         return $chunkBeginning . $data . "\r\n";

src/Server.php

@@ -102,8 +102,7 @@ private function getConcurrentRequestsLimit()
         }
 
         $availableMemory = IniUtil::iniSizeToBytes(ini_get('memory_limit')) / 4;
-        $concurrentRequests = $availableMemory / IniUtil::iniSizeToBytes(ini_get('post_max_size'));
-        $concurrentRequests = ceil($concurrentRequests);
+        $concurrentRequests = ceil($availableMemory / IniUtil::iniSizeToBytes(ini_get('post_max_size')));
 
         if ($concurrentRequests >= self::MAXIMUM_CONCURRENT_REQUESTS) {
             return self::MAXIMUM_CONCURRENT_REQUESTS;