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Zend Framework Intro: Creating Controller

Zend Framework Step By Step Tutorial - Part 5: The front controller pattern maps the URL requested by the user to a particular member function within a specific controller class. We called as routing and dispatching. The controller class have a strict naming convention requirement. The router calls a function named {actionname}Action() within the {ControllerName}Controller class. This class must be within a file called {ControllerName}.php. If not provide, index will be used. Still confuse? look at this example:

Create a file named "IndexController.php" within application/controllers. Enter following code:

<?php
require_once 'Zend/Controller/Action.php';

class IndexController extends Zend_Controller_Action
{
  public function indexAction()
  {
    $this->view->assign('title', 'Hello, World!');
  }
  
}
?>

Within the front controller system, the dispatcher expects to find a file called IndexController.php within the application/controllers directory. This file must contain a class called Indexcontroller and, as a minimum, contain a function called indexAction().