#!/usr/bin/env php setHost('https://api-3t.sandbox.paypal.com/nvp') ->setAPIUsername('sdk-three_api1.sdk.com') ->setAPIPassword('QFZCWN5HZM8VBG7Q') ->setAPISignature('A-IzJhZZjhg29XQ2qnhapuwxIDzyAZQ92FRP5dqBzVesOkzbdUONzmOU'); $future->setRawPayPalQuery( 'SetExpressCheckout', array( 'PAYMENTREQUEST_0_AMT' => '1.23', 'PAYMENTREQUEST_0_CURRENCYCODE' => 'USD', 'RETURNURL' => 'http://www.example.com/?return=1', 'CANCELURL' => 'http://www.example.com/?cancel=1', 'PAYMENTREQUEST_0_PAYMENTACTION' => 'Sale', )); print_r($future->resolve());