text 如果用户未登录，则仅显示维护模式。将maintenance.php文件添加到wp-content文件夹以自定义维护页面。

Posted 2021-05-03

<?php
function is_user_logged_in() {
    $loggedin = false;
    foreach ( (array) $_COOKIE as $cookie => $value ) {
        if ( stristr($cookie, 'wordpress_logged_in_') )
            $loggedin = true;
    }
    return $loggedin;
}
if ( ! stristr($_SERVER['REQUEST_URI'], '/wp-admin') &&
     ! stristr($_SERVER['REQUEST_URI'], '/wp-login.php') &&
     ! is_user_logged_in() )
    $upgrading = time();
?>