Multiple Constructors in PHP OOP

<?php

class Product
{
    private $id;
    private $name;
    private $price;
    private $quantity;

    public function __construct()
    {
        $get_arguments       = func_get_args();
        $number_of_arguments = func_num_args();
        if (method_exists($this, $method_name = '__construct' . $number_of_arguments)) {
            call_user_func_array(array($this, $method_name), $get_arguments);
        }
    }

    public function __construct1($id)
    {
        $this->id = $id;
    }

    public function __construct2($id, $name)
    {
        $this->id = $id;
        $this->name = $name;
    }

    public function __construct3($id, $name, $price)
    {
        $this->id = $id;
        $this->name = $name;
        $this->price = $price;
    }

    public function __construct4($id, $name, $price, $quantity)
    {
        $this->id = $id;
        $this->name = $name;
        $this->price = $price;
        $this->quantity = $quantity;
    }

    public function getId()
    {
        return $this->id;
    }

    public function getName()
    {
        return $this->name;
    }

    public function getPrice()
    {
        return $this->price;
    }

    public function getQuantity()
    {
        return $this->quantity;
    }
}

$product1 = new Product();

$product2 = new Product('p02');
echo '<h4>Product 2 Info</h4>';
echo 'id: ' . $product2->getId();

$product3 = new Product('p03', 'name 3');
echo '<h4>Product 3 Info</h4>';
echo 'id: ' . $product3->getId();
echo '<br>name: ' . $product3->getName();

$product4 = new Product('p04', 'name 4', 4.5);
echo '<h4>Product 4 Info</h4>';
echo 'id: ' . $product4->getId();
echo '<br>name: ' . $product4->getName();
echo '<br>price: ' . $product4->getPrice();

$product5 = new Product('p05', 'name 5', 4.5, 5);
echo '<h4>Product 5 Info</h4>';
echo 'id: ' . $product5->getId();
echo '<br>name: ' . $product5->getName();
echo '<br>price: ' . $product5->getPrice();
echo '<br>quantity: ' . $product5->getQuantity();


?>

Output

Product 2 Info
id: p02

Product 3 Info
id: p03
name: name 3

Product 4 Info
id: p04
name: name 4
price: 4.5

Product 5 Info
id: p05
name: name 5
price: 4.5
quantity: 5