<?php include 'Vehicle.php'; include 'Plane.php'; include 'Car.php'; include 'Bike.php'; $plane = new Plane(); $plane->velocidad(1000); $plane->fly(); $plane->maxpassengers(600); $car = new Car(); $car->velocidad(160); $car->notfly(); $car->maxpassengers(5); $bike = new Bike(); $bike->velocidad(30); $bike->notfly(); $bike->maxpassengers(2);