wordpress404页面自动301跳转到首页 返回状态码并跳转

<?php
header("HTTP/1.1 301 Moved Permanently");
header("Location: ".get_bloginfo("url"));
exit();
?>

<?php
//WordPress 301 跳转到网站首页
wp_redirect(home_url(), 301);exit;
?>

<?php
//直接载入首页 返回 404 状态
global $wp_query;
$wp_query->set_404();
status_header(404);
nocache_headers();
include( get_query_template( 'index' ) );
die();
?>

<?php
//返回 404 状态，然后通过 html 刷新跳转到首页
global $wp_query;
$wp_query->set_404();
status_header(404);
nocache_headers();
echo '<meta http-equiv="refresh" content="0;url='.home_url().'">';
exit;
?>