build_marketplace_checkout_php.php

<?php
// WePay PHP SDK - http://git.io/mY7iQQ
require 'wepay.php';

// application settings
$account_id = 123456789;
$client_id = 123456789;
$client_secret = "1a3b5c7d9";
$access_token = "STAGE_8a19aff55b85a436dad5cd1386db1999437facb5914b494f4da5f206a56a5d20";

// credit card id to charge
$credit_card_id = 123456789;

// change to useProduction for live environments
Wepay::useStaging($client_id, $client_secret);

$wepay = new WePay($access_token);

// charge the credit card
$response = $wepay->request('checkout/create', array(
    'account_id'        => $account_id,
    'amount'        => '25.50',
    'currency'      =>  'USD',
    'short_description'    => 'A brand new soccer ball',
    'type'            => 'goods',
    'payment_method'   =>  array(
        'type'        => 'credit_card',
        'credit_card'   =>   array(
            'id'    => $credit_card_id
        )
    )
));

// display the response
print_r($response);
?>