xyzshop/helper/refill/api/mh/lifang_normal/config.php

<?php

namespace refill\lifang_normal;

class config
{
    public const accessToken = 'beaf87f8-7c6b-cb8a-98b8-53c207ca9aef';
    public const appSecret = '24b67f6f-2696-ede0-ced6-0b975b05d8e1';
    public const ORDER_URL = 'http://api.lifang001.com/api/mobile/charge';
    public const QUERY_URL = 'http://api.lifang001.com/api/mobile/query';
    public const BALANCE_URL = 'http://api.lifang001.com/api/finance/balance';
    public const NOTIFY_URL = BASE_SITE_URL . "/racc/callback/mh/lifang_normal.php";

    public const add_keys = ['accessToken', 'amount', 'outOrderId', 'phoneNumber', 'requestDate'];
    public const query_keys = ['accessToken', 'outOrderId', 'requestDate'];
    public const balance_keys = ['accessToken', 'requestDate'];
    public const notify_keys = ['accessToken', 'orderId', 'outOrderId', 'requestDate', 'status'];

    public static function sign($params,$keys): string
    {
        $str = '';
        foreach ($keys as $key)
        {
            $str .= $key;
            if($key == 'accessToken') {
                $str .= config::accessToken;
            }
            else {
                $val = $params[$key] ?? '';
                $str .= $val;
            }
        }

        $str .= self::appSecret;
        return strtoupper(md5($str));
    }

    public static function gen_params($params,$keys)
    {
        $params['sign'] = config::sign($params,$keys);
        $params['accessToken'] = config::accessToken;
        return $params;
    }
    public static function time_stamp ()
    {
        return date('YmdHis', time());
    }
}