OOP

Patterns and OOP in PHP George Schlossnagle <george@omniti.com>

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],What are Patterns?

[object Object],[object Object],[object Object],[object Object],What do patterns have to do with OOP?

[object Object],[object Object],[object Object],[object Object],[object Object],A tasty design pattern

[object Object],[object Object],[object Object],[object Object],What is OOP?

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Rephrase: What is its motivation?

[object Object],[object Object],Encapsulation

[object Object],[object Object],Are Classes Just Dictionaries?

[object Object],[object Object],[object Object],Are Classes Just Dictionaries?

Leaving a Legacy ,[object Object],[object Object],[object Object],[object Object],[object Object]

A Simple Inheritance Example ,[object Object]

Inheritance and the issue of Code Duplication ,[object Object],[object Object]

The Problem of Code Duplication ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Multiple Inheritance

[object Object],[object Object],Multiple Inheritance

[object Object],[object Object],[object Object],Abstract Classes

[object Object],[object Object],Public Relations

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Data Hiding

[object Object],Minimizing Special Case Handling

[object Object],[object Object],[object Object],Simplicity Through Polymorphism

Weren’t we talking about patterns...?

[object Object],[object Object],[object Object],[object Object],[object Object],Singleton Pattern

[object Object],[object Object],Singleton Pattern

[object Object],Static Properties and Methods

[object Object],[object Object],[object Object],Aggregator Pattern

[object Object],[object Object],Aggregator Pattern

[object Object],[object Object],Iterator Pattern

An Infinite Iterator ,[object Object],es = new EndlessSquares; foreach($es as $square) { echo "$sq"; }

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Aren’t Iterators Pointless in PHP?

[object Object],[object Object],[object Object],Proxy Pattern

[object Object],Proxy Pattern in PEAR SOAP

[object Object],[object Object],[object Object],Observer Pattern

[object Object],[object Object],Observer Pattern

THANKS! ,[object Object],[object Object],[object Object]

OOP

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