Update to current dependency versions

composer.json

@@ -9,11 +9,10 @@
         }
     ],
     "require": {
-        "guzzlehttp/guzzle": "^6.1",
-        "nesbot/carbon": "~1.20 || ^2.0"
-    },
-    "require-dev": {
-        "phpunit/phpunit": "4.0.*"
+        "php": "^7.1",
+        "ext-json": "*",
+        "guzzlehttp/guzzle": "^7.2",
+        "nesbot/carbon": "^2.0"
     },
     "autoload": {
         "psr-4": {"TrustPilot\\": "src/TrustPilot"}

src/TrustPilot/Adapter/AdapterInterface.php

@@ -17,34 +17,19 @@ interface AdapterInterface
      * @param string $url
      * @param array $options
      *
-     * @throws HttpException
-     *
      * @return string
      */
-    public function get($url, $options = []);
-
-    /**
-     * @param string $url
-     * @return mixed
-     */
-    public function delete($url);
+    public function get(string $url, array $options = []);
 
     /**
      * @param string $url
      * @param string $content
      * @return mixed
      */
-    public function put($url, $content = '');
-
-    /**
-     * @param string $url
-     * @param string $content
-     * @return mixed
-     */
-    public function post($url, $content = '');
+    public function post(string $url, array $content = []);
 
     /**
      * @return string[]|null
      */
     public function getLatestResponseHeaders();
-}
+}

src/TrustPilot/Adapter/GuzzleHttpAdapter.php

@@ -17,8 +17,6 @@
 use GuzzleHttp\Client;
 use GuzzleHttp\ClientInterface;
 use GuzzleHttp\Exception\RequestException;
-use GuzzleHttp\Message\ResponseInterface;
-use GuzzleHttp\Psr7\Response;
 
 class GuzzleHttpAdapter implements AdapterInterface
 {
@@ -40,11 +38,11 @@ class GuzzleHttpAdapter implements AdapterInterface
     /**
      * guzzle_http_adapter constructor.
      *
-     * @param $headers
+     * @param array $headers
      * @param string $endpoint
      * @param ClientInterface|NULL $client
      */
-    public function __construct($headers, $endpoint = '', ClientInterface $client = null)
+    public function __construct(array $headers, string $endpoint = '', ?ClientInterface $client = null)
     {
 
         $this->endpoint = $endpoint;
@@ -55,41 +53,13 @@ public function __construct($headers, $endpoint = '', ClientInterface $client =
     /**
      * {@inheritdoc}
      */
-    public function get($url, $options = array())
+    public function get(string $url, array $options = [])
     {
         try {
-            $this->response = $this->client->get($this->endpoint.$url,$options);
-
-        } catch (RequestException $e) {
-            $this->response = $e->getResponse();
-            $this->handleError();
-        }
-
-        return $this->response->getBody();
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function delete($url)
-    {
-        try {
-            $this->response = $this->client->delete($this->endpoint.$url);
-        } catch (RequestException $e) {
-            $this->response = $e->getResponse();
-            $this->handleError();
-        }
-
-        return $this->response->getBody();
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function put($url, $content = '')
-    {
-        try {
-            $this->response = $this->client->put($this->endpoint.$url, $content);
+            $this->response = $this->client->get(
+                $this->endpoint . $url,
+                $options
+            );
         } catch (RequestException $e) {
             $this->response = $e->getResponse();
             $this->handleError();
@@ -101,10 +71,13 @@ public function put($url, $content = '')
     /**
      * {@inheritdoc}
      */
-    public function post($url, $content = '')
+    public function post(string $url, array $content = [])
     {
         try {
-            $this->response = $this->client->post($this->endpoint.$url, $content);
+            $this->response = $this->client->post(
+                $this->endpoint . $url,
+                $content
+            );
         } catch (RequestException $e) {
             $this->response = $e->getResponse();
             $this->handleError();
@@ -142,4 +115,4 @@ protected function handleError()
 
         throw new HttpException(isset($content) ? print_r($content,true) : 'Request not processed.', $code);
     }
-}
+}

src/TrustPilot/Api/Authorize.php

@@ -106,9 +106,9 @@ protected function createToken($type,$data)
 
         return $response = json_decode($this->api->post(
             'oauth/oauth-business-users-for-applications/accesstoken',
-            array(
+            [
                 'form_params' => $fullBody
-            )
+            ]
         ));
     }
 
@@ -171,4 +171,4 @@ public function isValidToken()
 
     }
 
-}
+}