- Removed PHP 5.3

+ Removed PHP 7 specific sintax in order to backward compatibility

Author: matricali

.travis.yml

@@ -1,7 +1,6 @@
 language: php
 
 php:
-  - 5.3
   - 5.4
   - 5.5
   - 5.6

src/Client.php

@@ -105,7 +105,7 @@ protected function parseHeaders($lines)
         return $this->responseHeaders;
     }
 
-    public function sendRequest(RequestInterface $request): ResponseInterface
+    public function sendRequest(RequestInterface $request)
     {
         curl_setopt($this->handle, CURLOPT_URL, (string) $request->getUri());
         curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, [$this, 'headerFunction']);
@@ -122,7 +122,7 @@ public function sendRequest(RequestInterface $request): ResponseInterface
         return $response;
     }
 
-    public function get($uri, $headers = []): ResponseInterface
+    public function get($uri, $headers = [])
     {
         $request = new Request('GET', $uri, $headers);
         print_r($request);

src/Uri.php

@@ -209,7 +209,8 @@ public function getHost()
      */
     public function getPort()
     {
-        if (empty($this->port) && empty($this->getScheme())) {
+        $scheme = $this->getScheme();
+        if (empty($this->port) && empty($scheme)) {
             return null;
         }
         if (empty($this->port)) {