index.php

<?php
	class Model{
		public $string;
		public function __construct(){
			$this->string = "Hello world" ;
		}
	}
	class View{
		private $model ;
		private $controller ;

		public function __construct($controller, $model){
			$this->model = $model ;
			$this->controller = $controller ;
		}
		public function output(){
        	return "<p>" . $this->model->string . "</p>";
    	}
	}

	class Controller{
		private $model ;
		public function __construct($model){
			$this->model = $model ;
		}
	}

	$model = new Model();
	$controller = new Controller($model);
	$view = new View($controller, $model);
	echo $view->output();

?>