How Do PHP\'s Arrow and Scope Resolution Operators Work with Objects?

Object Operators in PHP

In PHP, object operators allow us to interact with objects and their properties and methods. There are two primary types of object operators:

1. Arrow Operator (->)

The arrow operator (->) is used to access properties and methods of an object:

$user = new User();
$name = $user->getName(); // Accesses the getName() method

2. Scope Resolution Operator (::)

The scope resolution operator (::) is used for three main purposes:

• Calling static methods:

User::create($data); // Calls the static create() method

• Accessing static variables:

echo User::NUM_USERS; // Accesses the NUM_USERS static variable

• Calling parent class methods from a child class:

class Child extends Parent {
    public function method() {
        parent::method(); // Calls the parent's version of the method()
    }
}

In summary, the arrow operator (->) is used to interact with instances of objects, while the scope resolution operator (::) is used for accessing static elements of classes and calling parent methods from child classes.

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