PHP | ReflectionClass getReflectionConstant() 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 getReflectionConstant() function
// over the constant 'First'
$a = $A->getReflectionConstant('First');

// Getting the ReflectionClassConstant
print_r($a);
?>

<?php
 
// Declaring a user-defined class Departments
class Departments {
     
    // Defining some constants
    const D1 = "EE";
    const D2 = "Civil";
    const D3 = "CSE";
    const D4 = "IT";
}
 
// Using the ReflectionClass() function 
// over the Departments class
$A = new ReflectionClass('Departments');
 
// Calling the getReflectionConstant() function
// over specified constants
$a1 = $A->getReflectionConstant('D1');
$a2 = $A->getReflectionConstant('D2');
$a3 = $A->getReflectionConstant('D3');
$a4 = $A->getReflectionConstant('D4');
 
// Getting the ReflectionClassConstant
print_r($a1);
print_r($a2);
print_r($a3);
print_r($a4);
?>