How do Interfaces work in PHP? Interfaces let you tell a class what methods it should have. Interfaces make it easy for different classes to be used in the same…
What are Abstract Classes and Abstract Methods in PHP? Abstract classes and methods are used when the parent class has a named method, but the task needs to be done…
What does inheritance mean in PHP? In OOP, inheritance is when a class is based on another class. All of the public and protected properties and methods of the parent…
Class Constants in PHP Once a constant is declared, it can\'t be changed. If you need to define some data that stays the same inside a class, you can use…
Access Modifiers in PHP Access modifiers can be put on properties and methods to control how and where they can be used. There are three things that change access: public:…
The __construct Function in PHP A constructor lets you set up an object\'s properties when you first create it. If you make a __construct() function, PHP will automatically call it…
This chapter will show how PHP and PERL are alike and how they are different. This will make it easy for PERL developers to learn PHP and avoid making common…
PHP for C Experts is easiest to understand as interpreted C that can be put into HTML documents. The language itself is similar to C, but variables are not typed,…
What is OOP in PHP? Object-oriented programming is known as OOP. While object-oriented programming involves constructing objects that include both data and functions, procedural programming involves developing procedures or functions…