【Composer、PHP、支付】easypay支付插件，支付宝打款代码警告

问题：easypay支付插件，支付宝打款代码警告Invalid characters passed for attempted conversion, these have been ignored at

解决：

文件路径：vendor\javareact\easypay\src\Utils\AntCertificationUtil.php

$ssl[$i] = openssl_x509_parse($array[$i] . "-----END CERTIFICATE-----");

            if (strpos($ssl[$i]['serialNumber'], '0x') === 0) {

            $ssl[$i]['serialNumber'] = $this->hex2dec($ssl[$i]['serialNumber']);// old代码

                $ssl[$i]['serialNumber'] = $this->hex2dec($ssl[$i]['serialNumberHex']);// new 代码

            }