wordpress评论夜间自动改为必须审核

/**
 * WordPress控制评论状态的钩子：pre_comment_approved - 龙笑天下
 * https://www.ilxtx.com/wordpress-filter-pre-comment-approved.html
 * 实用方法：新增评论规则 -- 晚上23:30-9:00的评论全部设为待审核
 */
function lxtx_limit_comment_to_pending($approved, $commentdata){
    date_default_timezone_set('Asia/Shanghai'); //设置为东八区上海时间
    $time = time();
    $t1 = date("Y-m-d",$time).' 09:00:00';
    $t2 = date("Y-m-d",$time).' 23:30:00';    
    $short_t1 = strtotime($t1);
    $short_t2 = strtotime($t2);
    if( ($time>$short_t2 || $time<$short_t1) && !current_user_can('manage_options') ){
        $approved = 0;
    }
    return $approved;
}
add_action('pre_comment_approved', 'lxtx_limit_comment_to_pending', 10, 2);