子比主题美化-新发布文章列表角标

/*新文章发布角标 blog.zbiwl.com*/
function add_zbfox_new_post_label($title, $id) {
    if (!is_admin() && !is_single()) {
        $post_time = get_the_time('U', $id);
        if (time() - $post_time <= 24 * 60 * 60) {
            $title .= ' <div class="zbfox_new_post_label">NEW</div>';
        }
    }
    return $title;
}
add_filter('the_title', 'add_zbfox_new_post_label', 10, 2);