PHP program to implement the parameterized constructor using __construct()

<?php
//PHP program to demonstrate the parameterized constructor 
//using __construct().
class Sample
{
    private $num1;
    private $num2;

    public function __construct($n1, $n2)
    {
        $this->num1 = $n1;
        $this->num2 = $n2;
    }
    public function PrintValues()
    {
        echo "Num1: " . $this->num1 . "<br>";
        echo "Num2: " . $this->num2 . "<br>";
    }
}
$S = new Sample(10, 20);
$S->PrintValues();
?>

Output
Num1: 10
Num2: 20