Facade design pattern using PHP

The Facade pattern provides a unified interface in a subsystem. The Facade defines a HIGHER level interface easier to use.

Facade design pattern slide show

• The Facade provides convenient access to a particular part of the subsystem’s functionality. It knows where to direct the client’s request and how to operate all the moving parts.

• An Additional Facade class can be created to prevent polluting a single facade with unrelated features that might make it yet another complex structure. Additional facades can be used by both clients and other facades.

Facade in Java

Facade is a structural design pattern that provides a simplified (but limited) interface to a complex system of classes, library or framework.

This example uses Java