WordPress禁用RSS订阅

function fb_disable_feed() {
    wp_die(__('<h1>本站不提供 RSS 阅读服务，请点击此处返回首页</h1>'));
}
add_action('do_feed',      'fb_disable_feed', 1);
add_action('do_feed_rdf',  'fb_disable_feed', 1);
add_action('do_feed_rss',  'fb_disable_feed', 1);
add_action('do_feed_rss2', 'fb_disable_feed', 1);
add_action('do_feed_atom', 'fb_disable_feed', 1);