Código errado, lei de demeter

product_bad_code_demeter_law.php

<?php
  class Product {
    private $value;
    private $name;
    
    public function __construct($name, $value) {
      $this->name  = $name;
      $this->value = $value;
    }
    
    public function getValue() {
      return $this->value;
    }
  }
?>