<?php interface Product {} class Factory {     private $product;     public function __construct(Product $product) {        $this->product = $product;    }     public function getProduct() {        return clone $this->product;    }} class SomeProduct implements Product {    public $name;}  $prototypeFactory = new Factory(new SomeProduct()); $firstProduct = $prototypeFactory->getProduct();$firstProduct->name = ‘The first product‘; $secondProduct = $prototypeFactory->getProduct();$secondProduct->name = ‘Second product‘; print_r($firstProduct->name);// The first productprint_r($secondProduct->name);// Second product