Attachment next/previous

function make_current_attachment_data_array($attachment_id){
        $attachment_id = (int)$attachment_id;

        $attachment = get_post($attachment_id);
        $attachments = get_image_attachments($attachment->post_parent);
        $previous = apply_filters('get_previous_post_where', get_adjacent_post(false, false, true));
        $next = apply_filters('get_next_post_where', get_adjacent_post(false, false, false));

        $attachment_data = compact(
                'attachment',
                'attachments',
                'previous',
                'next'
        );

        return $attachment_data;
}

add_filter('get_previous_post_where', 'filter_image_attachment_where');
add_filter('get_next_post_where', 'filter_image_attachment_where');
function filter_image_attachment_where($where){
        global $post;
        $where = str_replace('publish', 'inherit', $where);
        $where.= " AND p.post_mime_type LIKE '%image%' AND p.post_parent = {$post->post_parent}";
        return $where;
}