View file File name : result.php Content :<?php require_once('braintree_php-master/lib/Braintree.php'); Braintree_Configuration::environment('sandbox'); Braintree_Configuration::merchantId('d68m73wzrttmy8t9'); Braintree_Configuration::publicKey('h7c2bm97b72bm9fd'); Braintree_Configuration::privateKey('67cf79121710d11dfe308c95c8bb3987'); $nonce = $_POST['payment_method_nonce']; if (isset($nonce)) { $result = Braintree_Transaction::sale(array( 'orderId' => 20, 'amount' => 500.00, 'paymentMethodNonce' => $nonce, 'options' => array( 'submitForSettlement' => true ) )); if ($result->success) { $txn = $result->transaction; echo '<p>For your order ID <code>' . 20 . '</code>, ' . 'the Braintree Sandbox transaction ID is <code>' . $txn->id . '</code>.</p>'; } } ?>