<?php
    if(isset($_GET['code']))
    {
        $code = $_GET['code'];
    $email = "emailDaSuaConta";
    $token = "tokenDaSuaConta";

        print file_get_contents("https://ws.pagseguro.uol.com.br/v2/transactions/".$code."?email=".$email."&token=".$token);
    }
?>