PHP | ReflectionMethod invoke() Function

<?php

// Initializing a user-defined class
class Company {

    public function GFG($name) {
        return 'GeeksforGeeks' . $name;
    }
}

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

// Calling the invoke() function
$B = $A->invoke(new Company(), 
          ' is a Computer Science Portal.');

// Getting the result of the invoked method.
echo $B;
?>

<?php
 
// Initializing some user-defined classes
class Department1 {
 
    public function hr($name) {
        return 'HR' . $name;
    }
}
class Department2 {
 
    public function coding($name) {
        return 'Coding' . $name;
    }
}
class Department3 {
 
    public function marketing($name) {
        return 'Marketing' . $name;
    }
}

// Using ReflectionMethod() over the above classes
$A = new ReflectionMethod('Department1', 'hR');
$B = new ReflectionMethod('Department2', 'coding');
$C = new ReflectionMethod('Department3', 'marketing');
 
// Calling the invoke() function and 
// getting the result of the invoked method.
echo $A->invoke(new Department1(), ' is a Department.');
echo "\n";
echo $B->invoke(new Department2(), ' is also a Department.');
echo "\n";
echo $C->invoke(new Department3(), ' too.');
?>