CHAPTER 4
Advanced Features
You have already seen how class type hinting and access control give you more control over a class’s interface. In this chapter, I will delve deeper into PHP’s object-oriented features.
This chapter will cover
- Static methods and properties: Accessing data and functionality through classes rather than objects
- Abstract classes and interfaces: Separating design from implementation
- Traits: Sharing implementation between class hierarchies
- Error handling: Introducing exceptions
- Final classes and methods: Limiting inheritance
- Interceptor methods: Automating delegation
- Destructor methods: Cleaning up after your objects
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