Developer.com: PHP Pattern Principles

"Although design patterns simply describe solutions to problems, they tend to emphasize solutions that promote reusability and flexibility. To achieve this, they manifest some key object-oriented design principles.

"This article will cover

• "Composition: How to use object aggregation to achieve greater flexibility than you could with inheritance alone
• "Decoupling: How to reduce dependency between elements in a system
• "The power of the interface: Patterns and polymorphism..."

Complete Story

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