diff --git a/samples/clone_stored_card.php b/samples/clone_stored_card.php
index 73ccc40..c01c78a 100644
--- a/samples/clone_stored_card.php
+++ b/samples/clone_stored_card.php
@@ -3,9 +3,9 @@
 require_once('config/sample_config.php');
 
 $request = array(
-        'sourceCardUserKey' => 'fac377f2-ab15-4696-88d2-5e71b27ec378',
-        'sourceCardToken' => '11a078c4-3c32-4796-90b1-51ee5517a212',
-        'targetMerchantId' => 1,
+    'sourceCardUserKey' => 'fac377f2-ab15-4696-88d2-5e71b27ec378',
+    'sourceCardToken' => '11a078c4-3c32-4796-90b1-51ee5517a212',
+    'targetMerchantId' => 1,
 );
 
 $response = SampleConfig::craftgate()->payment()->cloneCard($request);
diff --git a/samples/create_member_as_buyer_and_sub_merchant.php b/samples/create_member_as_buyer_and_sub_merchant.php
index b27da24..f0baed0 100644
--- a/samples/create_member_as_buyer_and_sub_merchant.php
+++ b/samples/create_member_as_buyer_and_sub_merchant.php
@@ -3,7 +3,6 @@
 require_once('config/sample_config.php');
 
 use Craftgate\Model\MemberType;
-use Craftgate\Model\SettlementEarningsDestination;
 use Craftgate\Util\Guid;
 
 $request = array(
diff --git a/samples/create_merchant.php b/samples/create_merchant.php
index 02891f4..b070e27 100644
--- a/samples/create_merchant.php
+++ b/samples/create_merchant.php
@@ -2,10 +2,6 @@
 
 require_once('config/sample_config.php');
 
-use Craftgate\Model\MemberType;
-use Craftgate\Model\SettlementEarningsDestination;
-use Craftgate\Util\Guid;
-
 $request = array(
     'name' => "newMerchant",
     'legalCompanyTitle' => "legalCompanyTitle",
diff --git a/samples/delete_merchant_pos.php b/samples/delete_merchant_pos.php
index bde0aba..63110ba 100644
--- a/samples/delete_merchant_pos.php
+++ b/samples/delete_merchant_pos.php
@@ -1,13 +1,5 @@
 <?php
 
-use Craftgate\Model\CardAssociation;
-use Craftgate\Model\Currency;
-use Craftgate\Model\PaymentAuthenticationType;
-use Craftgate\Model\PosIntegrator;
-use Craftgate\Model\PosOperationType;
-use Craftgate\Model\PosStatus;
-use Craftgate\Model\PosUserType;
-
 require_once('config/sample_config.php');
 
 
diff --git a/samples/init_apm_deposit_payment.php b/samples/init_apm_deposit_payment.php
index f53fd2f..95ab7ca 100644
--- a/samples/init_apm_deposit_payment.php
+++ b/samples/init_apm_deposit_payment.php
@@ -4,8 +4,6 @@
 
 use Craftgate\Model\ApmType;
 use Craftgate\Model\Currency;
-use Craftgate\Model\PaymentGroup;
-use Craftgate\Util\Guid;
 
 $request = array(
     'apmType' => ApmType::PAPARA,
diff --git a/samples/init_bizum_apm_payment.php b/samples/init_bizum_apm_payment.php
index e06b6c2..684b603 100644
--- a/samples/init_bizum_apm_payment.php
+++ b/samples/init_bizum_apm_payment.php
@@ -28,7 +28,7 @@
         )
     ),
     'additionalParams' => array(
-            'buyerPhoneNumber' => "34700000000",
+        'buyerPhoneNumber' => "34700000000",
     )
 );
 
diff --git a/samples/init_iwallet_apm_payment_with_card_password.php b/samples/init_iwallet_apm_payment_with_card_password.php
index b79dfbd..8c99326 100644
--- a/samples/init_iwallet_apm_payment_with_card_password.php
+++ b/samples/init_iwallet_apm_payment_with_card_password.php
@@ -18,7 +18,7 @@
     'callbackUrl' => 'https://www.your-website.com/craftgate-apm-callback',
     'apmUserIdentity' => '1111222233334444',
     'additionalParams' => array(
-      "otpCode" => "1122"
+        "otpCode" => "1122"
     ),
     'items' => array(
         array(
diff --git a/samples/init_juzdan_payment.php b/samples/init_juzdan_payment.php
index 39e0d4f..72cce0f 100644
--- a/samples/init_juzdan_payment.php
+++ b/samples/init_juzdan_payment.php
@@ -2,10 +2,10 @@
 
 require_once('config/sample_config.php');
 
+use Craftgate\Model\ClientType;
 use Craftgate\Model\Currency;
 use Craftgate\Model\PaymentGroup;
 use Craftgate\Model\PaymentPhase;
-use Craftgate\Model\ClientType;
 use Craftgate\Util\Guid;
 
 $request = array(
@@ -47,6 +47,6 @@
     'loanCampaignId' => 1
 );
 
-$response = SampleConfig::craftgate()->juzdan()-> initJuzdanPayment($request);
+$response = SampleConfig::craftgate()->juzdan()->initJuzdanPayment($request);
 
 print_r($response);
diff --git a/samples/init_metropol_apm_payment.php b/samples/init_metropol_apm_payment.php
index 0f96d1b..945731b 100644
--- a/samples/init_metropol_apm_payment.php
+++ b/samples/init_metropol_apm_payment.php
@@ -8,28 +8,28 @@
 use Craftgate\Util\Guid;
 
 $request = array(
-        'apmType' => ApmType::METROPOL,
-        'price' => 1,
-        'paidPrice' => 1,
-        'currency' => Currency::TL,
-        'paymentGroup' => PaymentGroup::LISTING_OR_SUBSCRIPTION,
-        'conversationId' => 'myConversationId',
-        'externalId' => 'optional-externalId',
-        'items' => array(
-                array(
-                        'externalId' => Guid::generate(),
-                        'name' => 'Item 1',
-                        'price' => 0.40
-                ),
-                array(
-                        'externalId' => Guid::generate(),
-                        'name' => 'Item 2',
-                        'price' => 0.60
-                )
+    'apmType' => ApmType::METROPOL,
+    'price' => 1,
+    'paidPrice' => 1,
+    'currency' => Currency::TL,
+    'paymentGroup' => PaymentGroup::LISTING_OR_SUBSCRIPTION,
+    'conversationId' => 'myConversationId',
+    'externalId' => 'optional-externalId',
+    'items' => array(
+        array(
+            'externalId' => Guid::generate(),
+            'name' => 'Item 1',
+            'price' => 0.40
         ),
-        'additionalParams' => array(
-                'cardNumber' => '6375780115068760'
+        array(
+            'externalId' => Guid::generate(),
+            'name' => 'Item 2',
+            'price' => 0.60
         )
+    ),
+    'additionalParams' => array(
+        'cardNumber' => '6375780115068760'
+    )
 );
 
 $response = SampleConfig::craftgate()->payment()->initApmPayment($request);
diff --git a/samples/init_paymob_apm_payment.php b/samples/init_paymob_apm_payment.php
index 0584823..61d9268 100644
--- a/samples/init_paymob_apm_payment.php
+++ b/samples/init_paymob_apm_payment.php
@@ -30,7 +30,7 @@
     ),
     'additionalParams' => array(
         'integrationId' => '11223344'
-     ),
+    ),
 );
 
 $response = SampleConfig::craftgate()->payment()->initApmPayment($request);
diff --git a/samples/init_ykb_world_pay_pos_apm_payment.php b/samples/init_ykb_world_pay_pos_apm_payment.php
index e9d0562..a34381e 100644
--- a/samples/init_ykb_world_pay_pos_apm_payment.php
+++ b/samples/init_ykb_world_pay_pos_apm_payment.php
@@ -3,8 +3,8 @@
 require_once('config/sample_config.php');
 
 use Craftgate\Model\Currency;
-use Craftgate\Model\PosApmPaymentProvider;
 use Craftgate\Model\PaymentGroup;
+use Craftgate\Model\PosApmPaymentProvider;
 use Craftgate\Util\Guid;
 
 $request = array(
diff --git a/samples/retrieve_merchant_pos.php b/samples/retrieve_merchant_pos.php
index 381efe5..5383145 100644
--- a/samples/retrieve_merchant_pos.php
+++ b/samples/retrieve_merchant_pos.php
@@ -1,12 +1,5 @@
 <?php
 
-use Craftgate\Model\Currency;
-use Craftgate\Model\PaymentAuthenticationType;
-use Craftgate\Model\PosIntegrator;
-use Craftgate\Model\PosOperationType;
-use Craftgate\Model\PosStatus;
-use Craftgate\Model\PosUserType;
-
 require_once('config/sample_config.php');
 
 
diff --git a/samples/retrieve_merchant_pos_commissions.php b/samples/retrieve_merchant_pos_commissions.php
index 5d5c7fd..f567ac1 100644
--- a/samples/retrieve_merchant_pos_commissions.php
+++ b/samples/retrieve_merchant_pos_commissions.php
@@ -1,13 +1,5 @@
 <?php
 
-use Craftgate\Model\CardAssociation;
-use Craftgate\Model\Currency;
-use Craftgate\Model\PaymentAuthenticationType;
-use Craftgate\Model\PosIntegrator;
-use Craftgate\Model\PosOperationType;
-use Craftgate\Model\PosStatus;
-use Craftgate\Model\PosUserType;
-
 require_once('config/sample_config.php');
 
 
diff --git a/samples/search_payout_account.php b/samples/search_payout_account.php
index 3374677..a44bfff 100644
--- a/samples/search_payout_account.php
+++ b/samples/search_payout_account.php
@@ -4,7 +4,6 @@
 
 use Craftgate\Model\AccountOwner;
 use Craftgate\Model\Currency;
-use Craftgate\Model\PayoutAccountType;
 
 $request = array(
     'currency' => Currency::USD,
diff --git a/samples/update_merchant_pos_status.php b/samples/update_merchant_pos_status.php
index ec38e8a..7287585 100644
--- a/samples/update_merchant_pos_status.php
+++ b/samples/update_merchant_pos_status.php
@@ -1,12 +1,6 @@
 <?php
 
-use Craftgate\Model\CardAssociation;
-use Craftgate\Model\Currency;
-use Craftgate\Model\PaymentAuthenticationType;
-use Craftgate\Model\PosIntegrator;
-use Craftgate\Model\PosOperationType;
 use Craftgate\Model\PosStatus;
-use Craftgate\Model\PosUserType;
 
 require_once('config/sample_config.php');
 
diff --git a/samples/update_payout_account.php b/samples/update_payout_account.php
index c63dbfb..2bfbd7c 100644
--- a/samples/update_payout_account.php
+++ b/samples/update_payout_account.php
@@ -2,8 +2,6 @@
 
 require_once('config/sample_config.php');
 
-use Craftgate\Model\AccountOwner;
-use Craftgate\Model\Currency;
 use Craftgate\Model\PayoutAccountType;
 
 $request = array(
diff --git a/samples/verify_webhook.php b/samples/verify_webhook.php
index 057ad2b..6b031a3 100644
--- a/samples/verify_webhook.php
+++ b/samples/verify_webhook.php
@@ -12,6 +12,6 @@
     'payloadId' => '584'
 );
 
-$isVerified = SampleConfig::craftgate()->hook()->isWebhookVerified($merchantHookKey,$incomingSignature, $webhookData);
+$isVerified = SampleConfig::craftgate()->hook()->isWebhookVerified($merchantHookKey, $incomingSignature, $webhookData);
 
 print_r($isVerified);
diff --git a/src/Adapter/MasterpassPaymentAdapter.php b/src/Adapter/MasterpassPaymentAdapter.php
index bbbbe16..96ed3bc 100644
--- a/src/Adapter/MasterpassPaymentAdapter.php
+++ b/src/Adapter/MasterpassPaymentAdapter.php
@@ -2,9 +2,6 @@
 
 namespace Craftgate\Adapter;
 
-use Craftgate\Util\QueryBuilder;
-use Craftgate\Util\Signature;
-
 class MasterpassPaymentAdapter extends BaseAdapter
 {
     public function checkMasterpassUser(array $request)
diff --git a/src/Adapter/PaymentAdapter.php b/src/Adapter/PaymentAdapter.php
index 8e3b2b5..f305549 100644
--- a/src/Adapter/PaymentAdapter.php
+++ b/src/Adapter/PaymentAdapter.php
@@ -219,13 +219,13 @@ public function initBnplPayment(array $request)
 
     public function approveBnplPayment($paymentId)
     {
-        $path =  "/payment/v1/bnpl-payments/" . $paymentId . "/approve";
+        $path = "/payment/v1/bnpl-payments/" . $paymentId . "/approve";
         return $this->httpPost($path);
     }
 
     public function verifyBnplPayment(array $request)
     {
-        $path =  "/payment/v1/bnpl-payments/verify";
+        $path = "/payment/v1/bnpl-payments/verify";
         return $this->httpPost($path, $request);
     }
 
diff --git a/src/Adapter/SettlementAdapter.php b/src/Adapter/SettlementAdapter.php
index 327291f..a42c647 100644
--- a/src/Adapter/SettlementAdapter.php
+++ b/src/Adapter/SettlementAdapter.php
@@ -18,7 +18,7 @@ public function createPayoutAccount(array $request)
         return $this->httpPost($path, $request);
     }
 
-    public function updatePayoutAccount($id,array $request)
+    public function updatePayoutAccount($id, array $request)
     {
         $path = "/settlement/v1/payout-accounts/" . $id;
         return $this->httpPut($path, $request);
diff --git a/src/Adapter/WalletAdapter.php b/src/Adapter/WalletAdapter.php
index 8f2c063..c1cc7da 100644
--- a/src/Adapter/WalletAdapter.php
+++ b/src/Adapter/WalletAdapter.php
@@ -27,7 +27,7 @@ public function searchWalletTransactions($walletId, array $request)
 
     public function updateMemberWallet($memberId, $walletId, array $request)
     {
-        $path = "/wallet/v1/members/" . $memberId . "/wallets/". $walletId;
+        $path = "/wallet/v1/members/" . $memberId . "/wallets/" . $walletId;
         return $this->httpPut($path, $request);
     }
 
diff --git a/src/Craftgate.php b/src/Craftgate.php
index f025cfc..fe97815 100644
--- a/src/Craftgate.php
+++ b/src/Craftgate.php
@@ -125,6 +125,7 @@ public function juzdan()
     {
         return new JuzdanPaymentAdapter($this->options);
     }
+
     public function bkmExpress()
     {
         return new BkmExpressPaymentAdapter($this->options);
diff --git a/src/Util/Signature.php b/src/Util/Signature.php
index e3f828b..bd8a802 100644
--- a/src/Util/Signature.php
+++ b/src/Util/Signature.php
@@ -22,6 +22,6 @@ public static function generateHash($hashString)
 
     public static function generateWebhookSignature($merchantHookKey, $hashString)
     {
-        return base64_encode(hash_hmac('sha256', $hashString, $merchantHookKey,true));
+        return base64_encode(hash_hmac('sha256', $hashString, $merchantHookKey, true));
     }
 }