PHP | ReflectionClass getConstants() Function

<?php

// Declaring a class named as Company
class Company {
    
    // Defining some constants
    const First = "GeeksforGeeks";
    const Second = "GFG";
}

// Using the ReflectionClass() function 
// over the Company class
$A = new ReflectionClass('Company');

// Calling the getConstants() function
$a = $A->getConstants();

// Getting an array of the constants
print_r($a);
?>

<?php

// Declaring a class named as Departments
class Departments {
    
    // Defining some constants
    const First = "CSE";
    const Second = "ECE";
    const Third = "EE";
    const Fourth = "Mechanical";
}

// Using the ReflectionClass() function 
// over the Departments class
$A = new ReflectionClass('Departments');

// Calling the getConstants() function
$a = $A->getConstants();

// Getting an array of the constants
print_r($a);
?>