Optimising PHP: Class initialisation

In this article we discuss alternative methods for loading classes depending on how we intend to use the class and how many times we intend to use it.

Variables form an essential part of every application for storing, retrieving and generating dynamic data. In OOP (Object-Oriented Programming) there are three main types of variables which provide slightly different functionality; Instance variables, Class variables and Local variables.

Classes and objects are a key principal of OOP (Object-Oriented Programming). The idea behind OOP is that classes are created to represent a real world entity; this real world entity could be a tangible object, such as a person or a car, or an intangible object, such as a job position or a date.