<?php
define(U1, 10);

class Machine {
	public $name;
	public $model;
	public $price;
	public $maxpassagers;

	public function setName($name) {
		$this->name = $name;
	}

	public function getName() {
		return $this->name;
	}

	public function setModel($model) {
		$this->model = $model;
	}

	public function getModel() {
		return $this->model;
	}

	public function setPrice($price) {
		$this->price = $price;
	}

	public function getPrice() {
		return $this->price;
	}

	public function setMaxpassagers($maxpassagers) {
		$this->maxpassagers = $maxpassagers;
	}

	public function getMaxpassagers() {
		return $this->maxpassagers;
	}
}
class Cars extends Machine {

}

class Bus extends Machine {

}

class Moto extends Machine {

}

$product3 = new Bus();
$product3->setName('Honda');
$product3->setModel('Giorno');
$product3->setPrice(5);
$product3->setMaxpassagers(1);

$product4 = new Cars();
$product4->setName('WV');
$product4->setModel('B5');
$product4->setPrice(12);
$product4->setMaxpassagers(4);

		if( ( $product3->getPrice() ) <= U1) {
			$need = U1 - $product3->getPrice();
			echo
			'<h4><b>'.$product3->getName().'</b> is good for you.';
				if ($need > 0)
					echo ' You save: <b>'.$need.'$</b><br></h4>';
		}
		else{
			$need =  $product3->getPrice() - U1;
			echo '<b>'.$product3->getName().'</b> is bad for you. You need <b>'.$need.'$</b><br>';
		}

		if( ( $product4->getPrice() ) <= U1) {
			$need = U1 - $product4->getPrice();
			echo
			'<h4><b>'.$product4->getName().'</b> is good for you.';
				if ($need > 0)
					echo ' You save: <b>'.$need.'$</b><br></h4>';
		}
		else{
			$need =  $product4->getPrice() - U1;
			echo '<b>'.$product4->getName().'</b> is bad for you. You need <b>'.$need.'$</b><br>';
		}
?>