Minor code improvements (cherry-picked from #295 by @PabloJoan)

Author: PabloJoan

src/Io/IniUtil.php

@@ -16,7 +16,7 @@ final class IniUtil
     public static function iniSizeToBytes($size)
     {
         if (is_numeric($size)) {
-            return $size;
+            return (int)$size;
         }
 
         $suffix = strtoupper(substr($size, -1));
@@ -43,6 +43,6 @@ public static function iniSizeToBytes($size)
             return $strippedSize * 1024  * 1024 * 1024 * 1024;
         }
 
-        return $size;
+        return (int)$size;
     }
 }

src/Io/MultipartParser.php

@@ -18,14 +18,14 @@
 final class MultipartParser
 {
     /**
-     * @var ServerRequestInterface
+     * @var ServerRequestInterface|null
      */
-    protected $request;
+    private $request;
 
     /**
      * @var int|null
      */
-    protected $maxFileSize;
+    private $maxFileSize;
 
     /**
      * ini setting "max_input_vars"

src/Io/ServerRequest.php

@@ -37,7 +37,7 @@ class ServerRequest extends Request implements ServerRequestInterface
      * @param array $headers Headers for the message.
      * @param string|resource|StreamInterface $body Message body.
      * @param string $protocolVersion HTTP protocol version.
-     * @param array server-side parameters
+     * @param array $serverParams server-side parameters
      *
      * @throws \InvalidArgumentException for an invalid URI
      */

src/StreamingServer.php

@@ -3,7 +3,6 @@
 namespace React\Http;
 
 use Evenement\EventEmitter;
-use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use React\Http\Io\ChunkedDecoder;
@@ -171,7 +170,7 @@ public function handleConnection(ConnectionInterface $conn)
         $parser = new RequestHeaderParser($uriLocal, $uriRemote);
 
         $listener = array($parser, 'feed');
-        $parser->on('headers', function (RequestInterface $request, $bodyBuffer) use ($conn, $listener, $that) {
+        $parser->on('headers', function (ServerRequestInterface $request, $bodyBuffer) use ($conn, $listener, $that) {
             // parsing request completed => stop feeding parser
             $conn->removeListener('data', $listener);