Php connector + Forms question.

Hello
When following the guide to connect php connector to the form:
docs.dhtmlx.com/form__server_side.html
It says to add the
But is this documentation really up to date? As I cannot find this file anywhere in as well the dhtmlxForm_v45_std folder as the dhtmlxConnector_php_v15_120612 folder…

Is there any up to date guide to connect a form to a mysql phpmyadmin db?
Cheers!