Joomla is a platform based on PHP and MySQL which was created in by a It is also open to anyone who wants to create extensions and templates. As part of the Official Joomla Documentation program, this tutorial has been at turfgrassfestival.com in various complete formats, Word, PDF and HTML. What files make up a Joomla template and what functions they. The purpose of this tutorial is to serve as an introduction to creating Joomla. templates.