}
public function getCost()
{
return 10 + $this->carService->getCost();
}
public function getDescription()
{
return "oil change car service" . " and " . $this->carService->getDescription();
}
}
class TireRotation implements CarService
{
protected $carService;
public function __construct(CarService $carService)
{
$this->carService = $carService;
}
public function getCost()
{
return 5 + $this->carService->getCost();
}
public function getDescription()
{
return "tire change car service" . " and " . $this->carService->getDescription();
}
}
//$object = new BaseCarService();
//$object = new OilChange(new BaseCarService());
$object = new TireRotation(new OilChange(new BaseCarService()));
echo $object->getDescription() . "\n";
echo $object->getCost() . "\n";
return 29 + $this->carService->getCost();
}
public function getDescription()
{
return $this->carService->getDescription() . ", and oil change";
}
}
class TireRotation implements CarService
{
/**
* @var CarService
*/
private $carService;
function __construct(CarService $carService = null)
{
$this->carService = $carService;
}
public function getCost()
{
return 15 + $this->carService->getCost();
}
public function getDescription()
{
return $this->carService->getDescription() . ", and tire rotation";
}
}
$service = new TireRotation(new OilChange(new BasicInspections()));
echo $service->getCost();
echo PHP_EOL;
echo $service->getDescription();
echo PHP_EOL;
