Start with GET variables, eg. example.com/?bla/something/whatever Use a .htaccess file to re-route every 404-resulting request (eg xyz.com/bla/something/ doesn

Start with GET variables, eg. example.com/?bla/something/whatever Use a .htaccess file to re-route every 404-resulting request (eg xyz.com/bla/something/ doesn't really exist) to index.php, then you can explode() the $_GET variable (look at what $_SERVER outputs).