Hello world example

<?php
class Model {
	public $text;
	
	public function __construct() {
		$this->text = 'Hello world!';
	}		
}

class View {
	private $model;
	private $route;
	
	public function __construct($route, Model $model) {
		$this->route = $route;
		$this->model = $model;
	}
	
	public function output() {
		return '<a href="mvc2.php?route=' . $this->route . '&action=textclicked">' . $this->model->text . '</a>';
	}	
}
 
class Controller {
	private $model;

	public function getName() {
		return 'Controller'; //In the real world this may well be get_class($this), and this method defined in a parent class.
	}
	
	public function __construct(Model $model) {
		$this->model = $model;
	}

	public function textClicked() {
		$this->model->text = 'Text Updated';
	}
}

class Route {
	public $model;
	public $view;
	public $controller;
	
	public function __construct($model, $view, $controller) {
		$this->model = $model;
		$this->view = $view;
		$this->controller = $controller;		
	}
}
 
class Router {
	private $table = array();
	
	public function __construct() {
		$this->table['controller'] = new Route('Model', 'View', 'Controller');  
	}
	
	public function getRoute($route) {
		$route = strtolower($route);

		//Return a default route if no route is found
		if (!isset($this->table[$route])) {
			return $this->table['controller'];	
		}
		
		return $this->table[$route];		
	}
}

class FrontController {
	private $controller;
	private $view;
	
	public function __construct(Router $router, $routeName, $action = null) {
		$route = $router->getRoute($routeName);
		$modelName = $route->model;
		$controllerName = $route->controller;
		$viewName = $route->view;
		
		$model = new $modelName;
		$this->controller = new $controllerName($model);
		$this->view = new $viewName($routeName, $model);
		
		
		if (!empty($action)) $this->controller->{$action}();
	}
	
	public function output() {
		//This allows for some consistent layout generation code 
		$header = '<h1>Hello world example</h1>';
		return $header . '<div>' . $this->view->output() . '</div>';
	}
}


$frontController = new FrontController(new Router, $_GET['route'], isset($_GET['action']) ? $_GET['action'] : null);
echo $frontController->output();
?>