CHAPTER 4Advanced Features

We have already seen how class type hinting and access control give you more control over a class's interface. In this chapter, we will delve deeper into PHP's enhanced object-oriented support.

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
  • Error handling: Introducing exceptions
  • Final classes and methods: Limiting inheritance
  • Interceptor methods: Automating delegation
  • Destructor methods: Cleaning up after your objects
  • Cloning objects: Making object copies
  • Resolving objects to strings: Creating a summary method

Static Methods and Properties

All the examples in the previous ...

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