Replace the abandoned guzzle/parser

composer.json

@@ -5,7 +5,7 @@
     "license": "MIT",
     "require": {
         "php": ">=5.4.0",
-        "guzzle/parser": "~3.0",
+        "guzzlehttp/psr7": "^1.0",
         "react/socket-client": "0.4.*",
         "react/dns": "0.4.*",
         "react/event-loop": "0.4.*",

src/Request.php

@@ -3,7 +3,7 @@
 namespace React\HttpClient;
 
 use Evenement\EventEmitterTrait;
-use Guzzle\Parser\Message\MessageParser;
+use GuzzleHttp\Psr7 as gPsr;
 use React\SocketClient\ConnectorInterface;
 use React\Stream\WritableStreamInterface;
 
@@ -203,20 +203,26 @@ public function close(\Exception $error = null)
 
     protected function parseResponse($data)
     {
-        $parser = new MessageParser();
-        $parsed = $parser->parseResponse($data);
+        $psrResponse = gPsr\parse_response($data);
+        $headers = array_map(function(&$val) {
+            if (1 === count($val)) {
+                $val = $val[0];
+            }
+
+            return $val;
+        }, $psrResponse->getHeaders());
 
         $factory = $this->getResponseFactory();
 
         $response = $factory(
-            $parsed['protocol'],
-            $parsed['version'],
-            $parsed['code'],
-            $parsed['reason_phrase'],
-            $parsed['headers']
+            'HTTP',
+            $psrResponse->getProtocolVersion(),
+            $psrResponse->getStatusCode(),
+            $psrResponse->getReasonPhrase(),
+            $headers
         );
 
-        return array($response, $parsed['body']);
+        return array($response, $psrResponse->getBody());
     }
 
     protected function connect()

tests/RequestTest.php

@@ -462,5 +462,43 @@ private function rejectedConnectionMock()
             ->with('www.example.com', 80)
             ->will($this->returnValue(new RejectedPromise(new \RuntimeException())));
     }
-}
 
+    /** @test */
+    public function multivalueHeader()
+    {
+        $requestData = new RequestData('GET', 'http://www.example.com');
+        $request = new Request($this->connector, $requestData);
+
+        $this->successfulConnectionMock();
+
+        $response = $this->response;
+
+        $response->expects($this->at(0))
+        ->method('on')
+        ->with('end', $this->anything());
+        $response->expects($this->at(1))
+        ->method('on')
+        ->with('error', $this->anything())
+        ->will($this->returnCallback(function ($event, $cb) use (&$errorCallback) {
+            $errorCallback = $cb;
+        }));
+
+        $factory = $this->createCallableMock();
+        $factory->expects($this->once())
+        ->method('__invoke')
+        ->with('HTTP', '1.0', '200', 'OK', array('Content-Type' => 'text/plain', 'X-Xss-Protection' => '1; mode=block', 'Cache-Control' => 'public, must-revalidate, max-age=0'))
+        ->will($this->returnValue($response));
+
+        $request->setResponseFactory($factory);
+        $request->end();
+
+        $request->handleData("HTTP/1.0 200 OK\r\n");
+        $request->handleData("Content-Type: text/plain\r\n");
+        $request->handleData("X-Xss-Protection:1; mode=block\r\n");
+        $request->handleData("Cache-Control:public, must-revalidate, max-age=0\r\n");
+        $request->handleData("\r\nbody");
+
+        $this->assertNotNull($errorCallback);
+        call_user_func($errorCallback, new \Exception('test'));
+    }
+}