rf3main/addons/TinyShop/services/member/MemberService.php

<?php

namespace addons\TinyShop\services\member;

/**
 * Class MemberService
 * @package addons\TinyShop\services\member
 */
class MemberService
{
    /**
     * @param $member_id
     * @return int|mixed
     */
    public function getCurrentLevel($member_id)
    {
        return 0;
    }
}