echo "<pre>"; print_r($cars); * * */ // public / private / protected require_once "car.class.php"; require_once "truck.class.php"; require_once "plane.class.php"; $car = new Car(20, 'red', 5); $car->load(3); $car->unload(1); $truck = new Truck(50, 'yello', 2200); $truck->load(2); $truck->unload(5); $vehicle = new Vehicle(20, 'blue'); $plane = new Plane(3000, "white", 200, 5000, "Emirates", 40); $plane->attack(70); echo "<pre>"; print_r($car); print_r($truck); print_r($vehicle); print_r($plane); if ($plane->seats >= 200) { echo "No Seats Available"; } $vehicle = new Vehicle(20, 'red'); $vehicle->move(20); $vehicle->move(30); $vehicle->move(15); echo "<pre>"; print_r($vehicle);