dedecms5.7调用会员登录 显示登陆状态

一下代码就是 调用会员登陆状态，退出，显示注册和登陆

{dede:php}
        require_once(DEDEMEMBER."/config.php");
        $uid = $cfg_ml->M_LoginID;

        if(!$uid){
            echo '<div><a class="login-button" href="/member/login.php">登录</a>
        |<a class="join-button" href="/member/index_do.php?fmdo=user&dopost=regnew">注册</a></div>
';
        }else{
        echo ' <div><a class="login-button" href="'. $cfg_memberurl.'/index.php">'.$uid.'</a>
        |<a class="join-button" href="/member/index_do.php?fmdo=login&dopost=exit">登出</a></div>
';
        
        }
        {/dede:php}