PHP | ReflectionMethod isConstructor() Function

<?php

// Initializing a user-defined class
class Company {

    function __construct() {}
}

// Using ReflectionMethod() over the class Company
$A = new ReflectionMethod('Company', '__construct');

// Calling the isConstructor() function
$B = $A->isConstructor();

// Getting the value TRUE if the specified
// method is constructor, otherwise FALSE.
var_dump($B);
?>

<?php
 
// Initializing some user-defined classes
class Department1 {
 
    public function hr($name) {
        return 'HR' . $name;
    }
}
class Department2 {
    function __construct() {}
}

class Department3 {
     function marketing(){}
}

// Using ReflectionMethod() over the above classes
$A = new ReflectionMethod('Department1', 'hR');
$B = new ReflectionMethod('Department2', '__construct');
$C = new ReflectionMethod('Department3', 'marketing');
 
// Calling the isConstructor() function and 
// getting the value TRUE if the specified
// method is constructor, otherwise FALSE.
var_dump($A->isConstructor());
var_dump($B->isConstructor());
var_dump($C->isConstructor());
?>