browsergame/libs/InstallRoute.php

<?php
class InstallRoute implements IRoute
{

	public static function getInstance()
	{
		return new InstallRoute(new View(), new HeaderWrapper());
	}
	private $view;
	private $header;

	private function __construct(View $view, HeaderWrapper $header)
	{
		$this->view = $view;
		$this->header = $header;
	}

	public function run(Url $url)
	{
		if(!file_exists(APPROOT . "setup/install.php"))
		{
			$this->header->location("/");
		}
		return $this->view->render("../setup/install.php", array());
	}
}