text = 'Hello world!'; } } class View { private $model; private $controller; public function __construct(Controller $controller, Model $model) { $this->controller = $controller; $this->model = $model; } public function output() { return '

' . $this->model->text .'

'; } } class Controller { private $model; public function __construct(Model $model) { $this->model = $model; } } //initiate the triad $model = new Model(); //It is important that the controller and the view share the model $controller = new Controller($model); $view = new View($controller, $model); echo $view->output(); echo "

"; echo "The above output is generated by the code below:
"; highlight_file( __FILE__ ); ?>