Table of Contents Introduction Copying an Object Cloning an Object Introduction In PHP, objects are always passed by reference. This means that when we pass an object into a function, any changes we make to it in there are reflected outside the function. However, it is sometimes important to only work on copies of...

Table of Contents Introduction Copying an Object Cloning an Object Introduction In PHP, objects are always passed by reference. This means that when we pass an object into a function, any changes we make to it in there are reflected outside the function. However, it is sometimes important to only work on copies of...

Table of Contents Introduction The __destruct () Function Introduction A destructor is called when the object is destroyed or the script ends. The destructor can do cleanup to free up memory such as releasing a connection to a database or some other resource that you reserved within the class. Because you reserved the...

Table of Contents Introduction The __construct() Function Introduction We see in the previous section that we can initialize the properties of an object after it has been created by using the -> object operator. However, a more direct way is to initialize some or all of the properties at the same time we create the...

Table of Contents Introduction Defining a Class Initializing Properties and Calling Methods Introduction Before you can use an object, you must define a class with the class keyword. Class definitions contain the class name (which is case-sensitive), its properties, and its methods. Defining a Class Syntax Defining a...

Table of Contents Introduction Advantages of OOP Classes and Objects Introduction OOP stands for Object-Oriented Programming. Object-oriented programming can be defined as a programming model which is based upon the concept of objects. Objects contain data in the form of attributes and functions in the form of methods....