/** * @param mixed $car */ public function buyCar(Cars $car) { $price = $car->getPrice(); if ($this->money >= $price) { $this->car = $car; $this->money -= $price; $car->setOwner($this); echo 'You heve a new car', PHP_EOL; return true; } else { echo 'You don\'t have enough money'; return false; } }
public function isMoreExpensive(Cars $car) { if ($this->price < $car->getPrice()) { return 'Other car is more Expensive'; } else { return 'Your car is more Expensive'; } }