add_action( 'admin_menu', function() {
	add_submenu_page(
		'edit.php?post_type=foo',
		'',
		'Add Foo in Bar',
		'edit_posts',
		'post-new.php?post_type=foo&custom_tax_term=bar'
	);
});

$app['release.dir'] = __DIR__ . '/releases';

$app['finder'] = function (Application $app) {

    $finder = new Finder();
    return $finder->files()->in($app['release.dir']);
};

$app['parser'] = function (Application $app) {

    return new ReleaseParser($app['finder']);
};

$finder = new Finder( $path );
$finder->setType( 'zip' );
$finder->setDepth( 2 );
$finder->setLimit( -1 );
$parser = new Parser( $finder );
$results = $parser->getResults();
foreach ( $results as $r )
    var_dump( $result->current->isFile() );

    public function getReleases()
    {
        $releases = [ ];

        $this->finder->depth('== 2')->name('*.zip');

        /** @var SplFileInfo $file */
        foreach ($this->finder as $file) {

            $releases[] = new Release($file);
        }

        return $releases;
    }

namespace Rarst;

use Symfony\Component\Finder\Finder as SymfonyFinder;

class Finder {

  function __construct(SymfonyFinder $finder ) {
    $this->finder = $finder;
  }

  function zip( $depth = 2 ) {
    return $this->finder->depth($depth)->name('*.zip');
  }

  function php( $depth = 2 ) {
    return $this->finder->depth($depth)->name('*.php');
  }
}

protected function getData(ReleaseParser $parser, Manager $fractal)
{
    $releases = $parser->getReleases();
    $resource = new Collection($releases, new ReleaseTransformer());
    $data     = $fractal->createData($resource);
    return $data->toArray();
}

    protected function getData(Manager $fractal)
    {
        // $this->factory is an instance of CollectionFactory
        // passed via DI

        $resource = $this->factory->factory(new ReleaseTransformer());
        return $fractal->createData($resource)->toArray();
    }


    class CollectionFactory {

        function __construct( ReleaseParser $parser ) {
            $this->parser = $parser;
        }

        function factory(ReleaseTransformer $transformer, $class = 'Collection') {
            return new $class($this->parser->getReleases(), $transformer);

class InvokeMe {

    function __invoke(Pimple $pimple) {
        //
    }
}



$container['invokable'] = function() {
  return new InvokeMe;
};

$container['object'] =  $container['invokable'];