Table of Contents
What is the difference between protected and private in PHP?
Protected :: A protected variable or method cannot be accessed by users of the class but can be accessed inside a subclass that inherits from the class. Private :: A private variable or method can only be accessed internally from the class in which it is defined.
What does Protected do in PHP?
The protected keyword ensures that all properties/methods declared/defined using this keyword cannot be accessed externally. However, its main advantage over the “private” keyword is that such methods/properties can be inherited by child classes.
What is private public and protected in PHP?
There are three access modifiers: public – the property or method can be accessed from everywhere. protected – the property or method can be accessed within the class and by classes derived from that class. private – the property or method can ONLY be accessed within the class.
What does private mean in PHP?
The private keyword is an access modifier. It marks a property or method as private. Private properties and methods can only be used by the class in which the property or method was defined. Derived classes and outside code cannot use them.
Can we override private method in PHP?
A private method is not overridable, as a private method is not visible even to its subclasses. Defining a method as protected means it is not visible outside of the class itself or its subclasses.
Can I override protected method in PHP?
3 Answers. The problem isn’t that you cannot override the protected method, it’s that you are calling a protected method from outside of the class. After the class is instantiated, you can call a public method which in turn could call get_name() and you will see that the code will work as expected.
What is PHP visibility?
Visibility ΒΆ The visibility of a property, a method or (as of PHP 7.1. 0) a constant can be defined by prefixing the declaration with the keywords public , protected or private . Members declared as private may only be accessed by the class that defines the member.
Is method overloading possible in PHP?
PHP does not support method overloading. In case you’ve never heard of method overloading, it means that the language can pick a method based on which parameters you’re using to call it.
Is constructor overloading possible in PHP?
15 Answers. You can’t overload ANY method in PHP. If you want to be able to instantiate a PHP object while passing several different combinations of parameters, use the factory pattern with a private constructor.