Style fixes to pass PSR-2 style checks

https://travis-ci.org/razorpay/omnipay-razorpay/jobs/459573597

Author: eileenmcnaughton

src/Message/CompletePurchaseResponse.php

@@ -6,8 +6,7 @@ class CompletePurchaseResponse extends PurchaseResponse
 {
     public function isSuccessful()
     {
-        if (!empty($_POST['x_result']))
-        {
+        if (!empty($_POST['x_result'])) {
             $data = parent::getRedirectData();
 
             $hmacKey = $data['key_secret'];
@@ -16,7 +15,7 @@ public function isSuccessful()
             $verifySignature = new Signature($hmacKey);
             $signature = $verifySignature->getSignature($_POST);
 
-            return $this->hash_equals($signature, $razorpaySignature);
+            return $this->hashEquals($signature, $razorpaySignature);
         }
 
         return false;
@@ -26,21 +25,18 @@ public function isSuccessful()
      * Taken from https://stackoverflow.com/questions/10576827/secure-string-compare-function
      * under the MIT license
      */
-    protected function hash_equals($str1, $str2)
+    protected function hashEquals($str1, $str2)
     {
-        if (function_exists('hash_equals') === true)
-        {
+        if (function_exists('hash_equals') === true) {
             return hash_equals($str1, $str2);
         }
-        if (strlen($str1) !== strlen($str2))
-        {
+        if (strlen($str1) !== strlen($str2)) {
             return false;
         }
 
         $result = 0;
 
-        for ($i = 0; $i < strlen($str1); $i++)
-        {
+        for ($i = 0; $i < strlen($str1); $i++) {
             $result |= ord($str1) ^ ord($str2);
         }
 

src/Message/PurchaseRequest.php

@@ -10,10 +10,8 @@
  */
 class PurchaseRequest extends AbstractRequest
 {
-	public function getData()
-	{
-        if (!empty($this->getCard()))
-        {
+    public function getData() {
+        if (!empty($this->getCard())) {
             $card = $this->getCard();
 
             $hmacKey = $this->getKeySecret();
@@ -58,9 +56,9 @@ public function getData()
 
         // Default case
         return $this->getParameters();
-	}
+    }
 
-	// To send the data for our
+    // To send the data for our
     public function sendData($data)
     {
         return $this->createResponse($data);

src/Message/PurchaseResponse.php

@@ -25,7 +25,9 @@ public function getRedirectData()
         return $this->data;
     }
 
-    public function redirect(){}
+    public function redirect()
+    {
+    }
 
     public function isRedirect()
     {

src/Message/Signature.php

@@ -4,16 +4,16 @@
 
 class Signature
 {
-	public function __construct($key)
-	{
-		$this->key = $key;
-	}
+    public function __construct($key)
+    {
+        $this->key = $key;
+    }
 
-	public function getSignature(array $data)
+    public function getSignature(array $data)
     {
         $validFields = array_filter(array_keys($data), function ($key)
         {
-            return $key != 'x_signature' and substr($key,0,2) == 'x_';
+            return $key != 'x_signature' and substr($key, 0, 2) == 'x_';
         });
 
         $data = array_intersect_key($data, array_flip($validFields));