OOP PHP rozprávka

class Yogi extends Bear {
	public $hasBasket;
	public $rangerVisible;

	public function __construct() {
		parent::__construct('Yogi');
		$this->hasBasket = false;
		$this->rangerVisible = true;
	}

	public function act() {
		if($this->hasBasket) {
			while($this->rangerVisible === true) {
				$this->run();
			}
			$this->eat('Basket');
		} else {
			if($this->rangerVisible === false) {
				$this->shit();
			}
			$this->searchBasket();
		}
	}

	private function run() {
		if(rand(0, 2) == 1) {
		$this->rangerVisible = false;
		}
	}

	private function searchBasket() {
		if(rand(0, 10) == 1) {
			$this->hasBasket = true;
		}
	}
} // end class Yogi

class Bear {
	private $name;
	private $stomach;

	public function __construct($name) {
		$this->name = &$name;
		$this->stomach = array();
	}

	protected function eat($what) {
		$this->stomach[] = &$what;
	}

	protected function shit() {
		array_shift($this->stomach);
	}

	protected function spew() {
		array_pop($this->stomach);
	}
} // end class Bear