<?php require_once "express_checkout.php"; $uid = "MERCHANT ACCOUNT ID"; $password = "******"; $signature = "MERCHANT ACCOUNT SIGNATURE"; $checkout = new ExpressCheckout($uid, $password, $signature); if ($_GET["token"]) { $userData = $checkout->getCheckoutDetails(); print_r($userData); $payResponse = $checkout->completeCheckout(); echo "<br /><br /><br />"; print_r($payResponse); } else { $urlSuccess = "http://localhost/sample.php"; $urlFailure = "http://localhost/sample.php?status=cancel"; $postData = array("AMT" => "10", "cancelUrl" => $urlFailure, "returnUrl" => $urlSuccess); $checkout->setCheckout($postData); }