diff --git a/src/Events/FacebookEvent.php b/src/Events/FacebookEvent.php
index 6e0ff3b..f774b9b 100644
--- a/src/Events/FacebookEvent.php
+++ b/src/Events/FacebookEvent.php
@@ -9,7 +9,7 @@ abstract class FacebookEvent implements DriverEventInterface
     protected $payload;
 
     /**
-     * @param $payload
+     * @param  $payload
      */
     public function __construct($payload)
     {
diff --git a/src/Extensions/ButtonTemplate.php b/src/Extensions/ButtonTemplate.php
index 8f6b10e..31160c8 100644
--- a/src/Extensions/ButtonTemplate.php
+++ b/src/Extensions/ButtonTemplate.php
@@ -14,7 +14,7 @@ class ButtonTemplate implements JsonSerializable, WebAccess
     protected $buttons = [];
 
     /**
-     * @param $text
+     * @param  $text
      * @return static
      */
     public static function create($text)
diff --git a/src/Extensions/Element.php b/src/Extensions/Element.php
index 699e061..57b4a02 100644
--- a/src/Extensions/Element.php
+++ b/src/Extensions/Element.php
@@ -25,7 +25,7 @@ class Element implements JsonSerializable
     protected $default_action;
 
     /**
-     * @param $title
+     * @param  $title
      * @return static
      */
     public static function create($title)
diff --git a/src/Extensions/ElementButton.php b/src/Extensions/ElementButton.php
index 83c93a2..79e9097 100755
--- a/src/Extensions/ElementButton.php
+++ b/src/Extensions/ElementButton.php
@@ -87,7 +87,7 @@ public function type($type)
     }
 
     /**
-     * @param $payload
+     * @param  $payload
      * @return $this
      */
     public function payload($payload)
diff --git a/src/Extensions/MediaAttachmentElement.php b/src/Extensions/MediaAttachmentElement.php
index 6b16bb5..a1650d8 100644
--- a/src/Extensions/MediaAttachmentElement.php
+++ b/src/Extensions/MediaAttachmentElement.php
@@ -16,7 +16,7 @@ class MediaAttachmentElement implements JsonSerializable
     protected $buttons;
 
     /**
-     * @param $mediaType
+     * @param  $mediaType
      * @return static
      */
     public static function create($mediaType)
@@ -25,7 +25,7 @@ public static function create($mediaType)
     }
 
     /**
-     * @param $mediaType
+     * @param  $mediaType
      */
     public function __construct($mediaType)
     {
@@ -33,7 +33,7 @@ public function __construct($mediaType)
     }
 
     /**
-     * @param $attachmentId
+     * @param  $attachmentId
      * @return $this
      */
     public function attachmentId($attachmentId)
diff --git a/src/Extensions/MediaTemplate.php b/src/Extensions/MediaTemplate.php
index 0a468ed..a83df13 100644
--- a/src/Extensions/MediaTemplate.php
+++ b/src/Extensions/MediaTemplate.php
@@ -22,7 +22,7 @@ public static function create()
     }
 
     /**
-     * @param $element
+     * @param  $element
      * @return $this
      */
     public function element($element)
diff --git a/src/Extensions/MediaUrlElement.php b/src/Extensions/MediaUrlElement.php
index a8ccc41..73bf112 100644
--- a/src/Extensions/MediaUrlElement.php
+++ b/src/Extensions/MediaUrlElement.php
@@ -16,7 +16,7 @@ class MediaUrlElement implements JsonSerializable
     protected $buttons;
 
     /**
-     * @param $mediaType
+     * @param  $mediaType
      * @return static
      */
     public static function create($mediaType)
@@ -25,7 +25,7 @@ public static function create($mediaType)
     }
 
     /**
-     * @param $mediaType
+     * @param  $mediaType
      */
     public function __construct($mediaType)
     {
@@ -33,7 +33,7 @@ public function __construct($mediaType)
     }
 
     /**
-     * @param $url
+     * @param  $url
      * @return $this
      */
     public function url($url)
diff --git a/src/Extensions/QuickReplyButton.php b/src/Extensions/QuickReplyButton.php
index 560a77f..c08d635 100644
--- a/src/Extensions/QuickReplyButton.php
+++ b/src/Extensions/QuickReplyButton.php
@@ -51,7 +51,7 @@ public function type($type)
     }
 
     /**
-     * @param $payload
+     * @param  $payload
      * @return $this
      */
     public function payload($payload)
diff --git a/src/Extensions/ReceiptAddress.php b/src/Extensions/ReceiptAddress.php
index e691dc4..311e4f5 100644
--- a/src/Extensions/ReceiptAddress.php
+++ b/src/Extensions/ReceiptAddress.php
@@ -55,7 +55,7 @@ public function street2($street)
     }
 
     /**
-     * @param $city
+     * @param  $city
      * @return $this
      */
     public function city($city)
@@ -66,7 +66,7 @@ public function city($city)
     }
 
     /**
-     * @param $postalCode
+     * @param  $postalCode
      * @return $this
      */
     public function postalCode($postalCode)
@@ -77,7 +77,7 @@ public function postalCode($postalCode)
     }
 
     /**
-     * @param $state
+     * @param  $state
      * @return $this
      */
     public function state($state)
diff --git a/src/Extensions/ReceiptAdjustment.php b/src/Extensions/ReceiptAdjustment.php
index 9f4443a..cdcd72a 100644
--- a/src/Extensions/ReceiptAdjustment.php
+++ b/src/Extensions/ReceiptAdjustment.php
@@ -13,7 +13,7 @@ class ReceiptAdjustment implements JsonSerializable
     protected $amount;
 
     /**
-     * @param $name
+     * @param  $name
      * @return static
      */
     public static function create($name)
@@ -24,7 +24,7 @@ public static function create($name)
     /**
      * ReceiptAdjustment constructor.
      *
-     * @param $name
+     * @param  $name
      */
     public function __construct($name)
     {
diff --git a/src/Extensions/ReceiptElement.php b/src/Extensions/ReceiptElement.php
index 2d9208d..3c28c29 100644
--- a/src/Extensions/ReceiptElement.php
+++ b/src/Extensions/ReceiptElement.php
@@ -25,7 +25,7 @@ class ReceiptElement implements JsonSerializable
     protected $image_url;
 
     /**
-     * @param $title
+     * @param  $title
      * @return static
      */
     public static function create($title)
@@ -53,7 +53,7 @@ public function subtitle($subtitle)
     }
 
     /**
-     * @param $quantity
+     * @param  $quantity
      * @return $this
      */
     public function quantity($quantity)
@@ -64,7 +64,7 @@ public function quantity($quantity)
     }
 
     /**
-     * @param $price
+     * @param  $price
      * @return $this
      */
     public function price($price)
@@ -75,7 +75,7 @@ public function price($price)
     }
 
     /**
-     * @param $currency
+     * @param  $currency
      * @return $this
      */
     public function currency($currency)
diff --git a/src/Extensions/ReceiptSummary.php b/src/Extensions/ReceiptSummary.php
index fda8d5b..6d71907 100644
--- a/src/Extensions/ReceiptSummary.php
+++ b/src/Extensions/ReceiptSummary.php
@@ -49,7 +49,7 @@ public function shippingCost($shippingCost)
     }
 
     /**
-     * @param $totalTax
+     * @param  $totalTax
      * @return $this
      */
     public function totalTax($totalTax)
@@ -60,7 +60,7 @@ public function totalTax($totalTax)
     }
 
     /**
-     * @param $totalCost
+     * @param  $totalCost
      * @return $this
      */
     public function totalCost($totalCost)
diff --git a/src/Extensions/ReceiptTemplate.php b/src/Extensions/ReceiptTemplate.php
index 7997213..ace4d23 100644
--- a/src/Extensions/ReceiptTemplate.php
+++ b/src/Extensions/ReceiptTemplate.php
@@ -49,7 +49,7 @@ public static function create()
     }
 
     /**
-     * @param $name
+     * @param  $name
      * @return $this
      */
     public function recipientName($name)
@@ -60,7 +60,7 @@ public function recipientName($name)
     }
 
     /**
-     * @param $name
+     * @param  $name
      * @return $this
      */
     public function merchantName($name)
@@ -71,7 +71,7 @@ public function merchantName($name)
     }
 
     /**
-     * @param $orderNumber
+     * @param  $orderNumber
      * @return $this
      */
     public function orderNumber($orderNumber)
@@ -82,7 +82,7 @@ public function orderNumber($orderNumber)
     }
 
     /**
-     * @param $currency
+     * @param  $currency
      * @return $this
      */
     public function currency($currency)
@@ -93,7 +93,7 @@ public function currency($currency)
     }
 
     /**
-     * @param $paymentMethod
+     * @param  $paymentMethod
      * @return $this
      */
     public function paymentMethod($paymentMethod)
@@ -104,7 +104,7 @@ public function paymentMethod($paymentMethod)
     }
 
     /**
-     * @param $orderUrl
+     * @param  $orderUrl
      * @return $this
      */
     public function orderUrl($orderUrl)
@@ -115,7 +115,7 @@ public function orderUrl($orderUrl)
     }
 
     /**
-     * @param $timestamp
+     * @param  $timestamp
      * @return $this
      */
     public function timestamp($timestamp)
diff --git a/src/FacebookDriver.php b/src/FacebookDriver.php
index a0b3645..75e3a71 100755
--- a/src/FacebookDriver.php
+++ b/src/FacebookDriver.php
@@ -104,10 +104,10 @@ public function matchesRequest()
     {
         $validSignature = empty($this->config->get('app_secret')) || $this->validateSignature();
         $messages = Collection::make($this->event->get('messaging'))->filter(function ($msg) {
-            return (isset($msg['message']['text']) || isset($msg['postback']['payload'])) && !isset($msg['message']['is_echo']);
+            return (isset($msg['message']['text']) || isset($msg['postback']['payload'])) && ! isset($msg['message']['is_echo']);
         });
 
-        return !$messages->isEmpty() && $validSignature;
+        return ! $messages->isEmpty() && $validSignature;
     }
 
     /**
@@ -139,7 +139,7 @@ public function hasMatchingEvent()
             return Collection::make($msg)->toArray();
         })->first();
 
-        if (!is_null($event)) {
+        if (! is_null($event)) {
             $this->driverEvent = $this->getEventFromEventData($event);
 
             return $this->driverEvent;
@@ -197,7 +197,7 @@ protected function validateSignature()
     {
         return hash_equals(
             $this->signature,
-            'sha1=' . hash_hmac('sha1', $this->content, $this->config->get('app_secret'))
+            'sha1='.hash_hmac('sha1', $this->content, $this->config->get('app_secret'))
         );
     }
 
@@ -215,7 +215,7 @@ public function markSeen(IncomingMessage $matchingMessage)
             'sender_action' => 'mark_seen',
         ];
 
-        return $this->http->post($this->facebookProfileEndpoint . 'me/messages', [], $parameters);
+        return $this->http->post($this->facebookProfileEndpoint.'me/messages', [], $parameters);
     }
 
     /**
@@ -232,7 +232,7 @@ public function types(IncomingMessage $matchingMessage)
             'sender_action' => 'typing_on',
         ];
 
-        return $this->http->post($this->facebookProfileEndpoint . 'me/messages', [], $parameters);
+        return $this->http->post($this->facebookProfileEndpoint.'me/messages', [], $parameters);
     }
 
     /**
@@ -273,7 +273,7 @@ protected function loadMessages()
         $messages = Collection::make($this->event->get('messaging'));
         $messages = $messages->transform(function ($msg) {
             $message = new IncomingMessage('', $this->getMessageSender($msg), $this->getMessageRecipient($msg), $msg);
-            if (isset($msg['message']['text']) && !isset($msg['message']['quick_reply']['payload'])) {
+            if (isset($msg['message']['text']) && ! isset($msg['message']['quick_reply']['payload'])) {
                 $message->setText($msg['message']['text']);
 
                 if (isset($msg['message']['nlp'])) {
@@ -384,7 +384,7 @@ public function buildServicePayload($message, $matchingMessage, $additionalParam
             $parameters['message'] = $message->toArray();
         } elseif ($message instanceof OutgoingMessage) {
             $attachment = $message->getAttachment();
-            if (!is_null($attachment) && in_array(get_class($attachment), $this->supportedAttachments)) {
+            if (! is_null($attachment) && in_array(get_class($attachment), $this->supportedAttachments)) {
                 $attachmentType = strtolower(basename(str_replace('\\', '/', get_class($attachment))));
                 unset($parameters['message']['text']);
                 $parameters['message']['attachment'] = [
@@ -412,7 +412,7 @@ public function buildServicePayload($message, $matchingMessage, $additionalParam
      */
     public function sendPayload($payload)
     {
-        $response = $this->http->post($this->facebookProfileEndpoint . 'me/messages', [], $payload);
+        $response = $this->http->post($this->facebookProfileEndpoint.'me/messages', [], $payload);
         $this->throwExceptionIfResponseNotOk($response);
 
         return $response;
@@ -423,7 +423,7 @@ public function sendPayload($payload)
      */
     public function isConfigured()
     {
-        return !empty($this->config->get('token'));
+        return ! empty($this->config->get('token'));
     }
 
     /**
@@ -445,7 +445,7 @@ public function getUserWithFields(array $fields, IncomingMessage $matchingMessag
         if (isset($messagingDetails['sender']['community'])) {
             $fields = 'first_name,last_name,email,title,department,employee_number,primary_phone,primary_address,picture,link,locale,name,name_format,updated_time';
         }
-        $userInfoData = $this->http->get($this->facebookProfileEndpoint . $matchingMessage->getSender() . '?fields=' . $fields . '&access_token=' . $this->config->get('token'));
+        $userInfoData = $this->http->get($this->facebookProfileEndpoint.$matchingMessage->getSender().'?fields='.$fields.'&access_token='.$this->config->get('token'));
         $this->throwExceptionIfResponseNotOk($userInfoData);
         $userInfo = json_decode($userInfoData->getContent(), true);
         $firstName = $userInfo['first_name'] ?? null;
@@ -475,7 +475,7 @@ public function getUser(IncomingMessage $matchingMessage)
             $fields = 'first_name,last_name,email,title,department,employee_number,primary_phone,primary_address,picture,link,locale,name,name_format,updated_time';
         }
 
-        $userInfoData = $this->http->get($this->facebookProfileEndpoint . $matchingMessage->getSender() . '?fields=' . $fields . '&access_token=' . $this->config->get('token'));
+        $userInfoData = $this->http->get($this->facebookProfileEndpoint.$matchingMessage->getSender().'?fields='.$fields.'&access_token='.$this->config->get('token'));
 
         $this->throwExceptionIfResponseNotOk($userInfoData);
         $userInfo = json_decode($userInfoData->getContent(), true);
@@ -500,7 +500,7 @@ public function sendRequest($endpoint, array $parameters, IncomingMessage $match
             'access_token' => $this->config->get('token'),
         ], $parameters);
 
-        return $this->http->post($this->facebookProfileEndpoint . $endpoint, [], $parameters);
+        return $this->http->post($this->facebookProfileEndpoint.$endpoint, [], $parameters);
     }
 
     /**
@@ -521,12 +521,12 @@ protected function throwExceptionIfResponseNotOk(Response $facebookResponse)
     {
         if ($facebookResponse->getStatusCode() !== 200) {
             $responseData = json_decode($facebookResponse->getContent(), true);
-            throw new FacebookException('Error sending payload: ' . $responseData['error']['message']);
+            throw new FacebookException('Error sending payload: '.$responseData['error']['message']);
         }
     }
 
     /**
-     * @param $msg
+     * @param  $msg
      * @return string|null
      */
     protected function getMessageSender($msg)
@@ -539,7 +539,7 @@ protected function getMessageSender($msg)
     }
 
     /**
-     * @param $msg
+     * @param  $msg
      * @return string|null
      */
     protected function getMessageRecipient($msg)
@@ -553,12 +553,12 @@ protected function getMessageRecipient($msg)
      * Pass a conversation to the page inbox.
      *
      * @param  IncomingMessage  $message
-     * @param $bot
+     * @param  $bot
      * @return Response
      */
     public function handover(IncomingMessage $message, $bot)
     {
-        return $this->http->post($this->facebookProfileEndpoint . 'me/pass_thread_control?access_token=' . $this->config->get('token'), [], [
+        return $this->http->post($this->facebookProfileEndpoint.'me/pass_thread_control?access_token='.$this->config->get('token'), [], [
             'recipient' => [
                 'id' => $message->getSender(),
             ],