<?php
include '../../../init.php';

use WHMCS\Product\Server;
use WHMCS\Service\Service;

$serviceId = $_GET['serviceId'];
$service = Service::find($serviceId);

// Deny access if no serviceId is specified, if the client is not logged in or if the client does not own the service
if(!$serviceId OR !$_SESSION['uid'] OR $service->clientId !== $_SESSION['uid']){
    throw new Exception('Access denied');
}
$server = Server::find($service->serverId);

header('Content-Type: application/json');

//echo $array
​