<?php

namespace MovieApp {

class AbstractLister {

public $finder;

public function setFinder(Finder $finder){

$this->finder = $finder;

}

}

class Lister extends AbstractLister {}

class Finder {

}

}

namespace {

// bootstrap

include 'zf2bootstrap' . ((stream_resolve_include_path('zf2bootstrap.php')) ? '.php' : '.dist.php');

$di = new Zend\Di\Di;

$di->configure(new Zend\Di\Configuration(array(

'definition' => array(

'class' => array(

'MovieApp\AbstractLister' => array(

'setFinder' => array('required' => true)

)

)

)

)));

$lister = $di->get('MovieApp\Lister');

// expression to test

$works = ($lister->finder instanceof MovieApp\Finder);

// display result

echo (($works) ? 'It works!' : 'It DOES NOT work!');

}