PHP 8 Objects, Patterns, and Practice: Mastering OO Enhancements, Design Patterns, and Essential Development Tools

© Matt Zandstra 2021

M. ZandstraPHP 8 Objects, Patterns, and Practicehttps://doi.org/10.1007/978-1-4842-6791-2_6

6. Objects and Design

Matt Zandstra¹  

(1)

Brighton, UK

 

Now that we have seen the mechanics of PHP’s object support in some detail, we will step back from the details and consider how best to use the tools that we have encountered. In this chapter, I introduce you to some of the issues surrounding objects and design. I will also look at the UML, a powerful graphical language for describing object-oriented systems.

This chapter will cover the following topics:

• Design basics: What I mean by design and how object-oriented design differs from procedural code

• Class scope: How to decide what to include in a class

• Encapsulation: Hiding implementation ...