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Introduction

Zend_Controller is the heart of Zend Framework's MVC system. MVC stands for Model-View-Controller and is a design pattern targeted at separating application logic from display logic. Zend_Controller_Front implements a Front Controller pattern, in which all requests are intercepted by the front controller and dispatched to individual Action Controllers based on the URL requested.

The Zend_Controller system was built with extensibility in mind, either by subclassing the existing classes, writing new classes that implement the various interfaces and abstract classes that form the foundation of the controller family of classes, or writing plugins or action helpers to augment or manipulate the functionality of the system.

Zend Framework