Constructors & Destructors
This lesson introduces the concept of constructors, destructors, how to declare and call them.
We'll cover the following
Introduction
A constructor is used to initialize member variables when an object is declared. It is automatically called at the time when the object of the class is declared.
Note: A constructor is a member function that is usually
public
.
Also keep in mind that unlike other methods defined inside a class, a constructor cannot return a value.
Constructor Declaration
Classes can define a special __construct()
method, which is executed as part of object creation.
Let’s take a look at how it is defined:
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