CakePHP2 by PHP5.4 builtin server

builtin-server.php

<?php
/**
 * Place this file in CakePHP's root dir and do: 
 * $ php -S localhost:8080 builtin-server.php
 * with PHP5.4
 */
list($path, $param) = preg_split('/\?/', $_SERVER['REQUEST_URI'], 2);
if($path != '/' && (file_exists('app/webroot' . $path)))
{
    header(sprintf('Location: http://%s/app/webroot%s',
        $_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'])); exit;
}
else if($path != '/' && (file_exists('./' . $path)))
{
    return false;
}
else
{
    //$_SERVER['PATH_INFO'] = $path;
    require 'app/webroot/index.php';
}