<?php require_once('gdapi.phar'); // Or /path/to/gdapi.phar
$url = 'https://api.cloud.secureserver.net/v1/schemas';
$access_key = 'your-access-key';
$secret_key = 'your-secret-key';
$client = new GDAPIClient($url, $access_key, $secret_key);
?>