我正在尝试更改我的附件页链接yo

example.com/photos/attachment_ID/post_name/attachment_name

    function wpd_attachment_link( $link, $post_id ){
    $post = get_post( $post_id );
    $parent_post = get_post($parent_post_id);
    $rewrite_link = $post->post_name;
    $parent_post_name = $parent_post->parent_post_name;
    $home_url ->rules = \'/photos/\' . $post->ID . "/$rewrite_link" . "/$parent_post_name";
    return $home_url->rules;
}
add_filter( \'attachment_link\', \'wpd_attachment_link\', 20, 2 );