<?php

include('../../files/functions.php');

/**
 * @var $settings
 * @var $UserID
 */


$link = "https://pay.freekassa.ru?";
$payment_desc = iconv("utf-8", 'windows-1251', "Пополнение баланса ID " . $UserID);
$hash = md5($settings['FkShopId'] . ":" . $_GET['amount'] . ":" . $settings['FkSecret'] . ":" . $payment_desc);

$options = [
    'm' => $settings['FkShopId'],
    'oa' => $_GET['amount'],
    'o' => $payment_desc,
    's' => $hash,
    'currency' => 'RUB',
    'us_id' => $UserID,
];

header("Location: " . $link . http_build_query($options));