<?php
require_once dirname(__FILE__) . '/../../index.php';
$preapproval_data = new MercadoPago\Preapproval();
$preapproval_data->payer_email = "your.payer@email.com";
$preapproval_data->back_url = "http://www.my-site.com";
$preapproval_data->reason = "Monthly subscription to premium package";
$preapproval_data->external_reference = "OP-1234";
$preapproval_data->auto_recurring = array(
"frequency" => 1,
"frequency_type" => "months",
"transaction_amount" => 10,
"currency_id" => "XXX", // your currency
"start_date" => date(DATE_ISO8601),
"end_date" => date(DATE_ISO8601, strtotime('+5 years'))
);
$preapproval_data->save();
var_dump($preapproval_data);
?>