gistfile1.php

<?php

use Doctrine\Common\Annotations\AnnotationRegistry;
use PHPSC\PagSeguro\Credentials;
//use PHPSC\PagSeguro\Environments\Production;
use PHPSC\PagSeguro\Environments\Sandbox;
use PHPSC\PagSeguro\Customer\Customer;
use PHPSC\PagSeguro\Items\Item;
use PHPSC\PagSeguro\Requests\Checkout\CheckoutService;

$autoloader = require __DIR__ . '/../../../../vendor/autoload.php';
AnnotationRegistry::registerLoader([$autoloader, 'loadClass']);

class Checkout extends TPage
{
    /**
     * Constructor method
     * https://www.adianti.com.br/framework_files/tutor/index.php?class=SinglePageView
     */
    public function __construct()
    {
        parent::__construct();

        //new TMessage('info', 'teste');

        $credentials = new Credentials(
            '[email protected]',
            '0000123123HASH',
            new Sandbox()
        );

        try {
            $service = new CheckoutService($credentials); // cria instância do serviço de pagamentos

            $amount = 1.99;
            $amount = number_format($amount, 2, '.', '');

            $checkout = $service->createCheckoutBuilder()
                ->addItem(new Item(1, 'Cotação Online', $amount))
                ->getCheckout();



            $response = $service->checkout($checkout);
            $code = $response->getCode();
            TPage::include_js('https://stc.sandbox.pagseguro.uol.com.br/pagseguro/api/v2/checkout/pagseguro.lightbox.js');
            $script =new TElement('script');
            $script->type = 'text/javascript';
            $script->add('
                <script>
                    $(function() {
                        PagSeguroLightbox({
                            code: "' . $code . '",
                            success : function(transactionCode) {
                                alert("success - " + transactionCode);
                            },
                            abort : function(transactionCode) {
                                //...
                            }
                        });
                    });
                </script>
            ');

        } catch (Exception $e) { // Caso ocorreu algum erro
            new TMessage('error', $e->getMessage());
            $this->onSolicitar($data);
        }
    }
}