<?php
namespace Blog;

class DecoratorWithAnotherGetId extends Decorator
{
    public function getId()
    {
        return 1000 + $this->class->getId();
    }
}

// tests

class DecoratorWithAnotherGetIdTest extends PHPUnit_Framework_TestCase
{
    public function testOverridingRender()
    {
        $decorator = new DecoratorWithAnotherGetId(new Object());
        $decorator->setId(666);
        $this->assertEquals('decorator id = 1666', $decorator->render());
    }
}