xyzshop/helper/refill/api/xyz/youhe/RefillCallBack.php

<?php
namespace refill\youhe;

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

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

    private function sign($params)
    {
        $userid = config::USER_ID;
        $key = config::KEY;
        $content = "szAgentId={$userid}&szOrderId={$params['szOrderId']}&szPhoneNum={$params['szPhoneNum']}&nDemo={$params['nDemo']}&fSalePrice={$params['fSalePrice']}";
        $content .= "&nFlag={$params['nFlag']}&szKey={$key}";
        return md5($content);
    }

    public function notify($params)
    {
        $status = intval($params['nFlag']);
        $order_sn = $params['szOrderId'];
        $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 === 2) {
            $data['official_sn'] = strtolower($params['szRtnMsg']) == 'null' ? '' : $params['szRtnMsg'];
            Model('refill_order')->edit($order_id, $data);
            return [$order_id, true, false,true];
        }
        elseif ($status === 3) {
            return [$order_id, false, true,true];
        }
        else {
            return [$order_id, false, false,false];
        }
    }
}