<?php
/* ------------------------------------------------- *\
Ex Lamp, Video Button
\* ------------------------------------------------- */
require_once './Lamp.php';
require_once './Button.php';
require_once './Video.php';
$lamp = new Button(new Lamp());
echo $lamp->switchDevice();
// turn on
echo $lamp->switchDevice();
// turn off
echo $lamp->switchDevice();
// turn on
echo $lamp->switchDevice();
// turn off
// video
var_dump("------ video -----------");
$video = new Button(new Video());
var_dump($video);
var_dump($video->switchDevice());
var_dump($video->switchDevice());
var_dump($video->switchDevice());
var_dump($video->switchDevice());
var_dump($video->switchDevice());
var_dump($video->switchDevice());
