Iterator Design Pattern
The Iterator design pattern is used to elegantly retrieve the members of a collection. In PHP 5, that means implementing the Iterator interface defined in the Standard PHP Library (SPL).
Front Controller Design Pattern
One way to more efficiently and securely manage a web application is to implement the Front Controller design pattern. This pattern calls for a single object to route web traffic: This means there must be an entry point (commonly called the bootstrap) where the application defers control to the Front Controller object.
Exploring a New Application
Once an application is created using the Istarel Workshop Application Framework installer, a series of initial directories and files are created.