PHP Weby is a Free Directory script that can create a SEO friendly directory for you. It’s prety SEO friendly but it does lack an XML sitemap generator. So I’ve brushed off some PHP skills last used a few years ago and I’ve made a script that generates an XML sitemap for PHP Weby Directory.
All you need to do is add in your database details, the URL of the site and upload the php file. This then generates sitemap which you can then submit to Google and reference in your robots.txt.
For instruction and to download the file follow the link