wordpress禁止RSS订阅Feed代码

//关闭禁止wordpress RSS订阅Feed功能接口代码
function disable_feed() {
wp_die(__('<h2>网站已关闭Feed订阅，请访问<a href="'.get_bloginfo('url').'">网站首页</a>！</h2>'));
}
add_action('do_feed', 'disable_feed', 1);
add_action('do_feed_rdf', 'disable_feed', 1);
add_action('do_feed_rss', 'disable_feed', 1);
add_action('do_feed_rss2', 'disable_feed', 1);
add_action('do_feed_atom', 'disable_feed', 1);