Basically, mpfserver is a wrapper class for PHP Hypertext Preprocessor that allows you to create Web-based business applications.

It provides a template parser that lets you separate interface- and programming logic.

mpfserver is not limited to text-files like HTML or XML. You may also output binary formats like PDF for example.

"mpf:"-tokens can do things like storing/retrieving session values, connecting databases and filesystems, sending emails, retrieving information about server environment and much more.

You may use "mpf:"-tokens anywhere in your templates, because they are going to be replaced before sending the response to a client.

There are dozens of different tokens, so you may think it is almost like a whole scripting language by itself. It is not meant to be.

Yes, there are quite a few standard tokens you may use, but if you want to make use of advanced features, you must implement your own tokens. It's actually pretty simple to do so.