PHP as a Template Engine
Templates must be placed in
templates/ directory (or some other place you set in your
They are just plain PHP script enhanced by Plates library. Thus, you can whatever you can do with PHP.
If you build a certain level of large Web site, you will want to divide templates to multiple files. Layout feature is helpful for such a situation.
Soushi's template system just exploits PHP and Plates library mentioned above. Thus you can build your site with layouts using a feature of Plates.
See Layouts - Plates for details.