xyzshop/helper/refill/api/yl/feimingyu/RefillCallBack.php

<?php
namespace refill\feimingyu;

require_once(BASE_HELPER_RAPI_PATH . '/feimingyu/config.php');

use refill;

class RefillCallBack implements refill\IRefillCallBack
{
    public function verify($params): bool
    {
        $input = $params;
        unset($input['sign']);
        unset($input['voucher']);
        $sign = $this->sign($input);
        if ($params['sign'] == $sign) {
            return true;
        } else {
            return false;
        }
    }

    private function sign($params)
    {
        ksort($params);
        $str = implode('', $params);
        $str .= config::KEY;
        return strtoupper(md5($str));
    }

    public function notify($params)
    {
        $status = $params['state'];
        $order_sn = $params['user_order'];
        $order_info = Model('vr_order')->getOrderInfo(['order_sn' => $order_sn]);
        if (empty($order_info)) {
            return [false, false, false,false];
        }

        $order_id = $order_info['order_id'];
        if ($status === 'success') {
            $data['official_sn'] = strtolower($params['voucher']) == 'null' ? '' : $params['voucher'];
            Model('refill_order')->edit($order_id, $data);
            return [$order_id, true, false, true];
        } elseif ($status === 'failed') {
            return [$order_id, false, true, true];
        } else {
            return [$order_id, false, false, false];
        }
    }
}