class Youtube{    private $url = null;    private $id;    public function __construct($url)    {        $this->url = $url;        $this->parseUrl($url);    }    protected function parseUrl($url)    {        if (preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^&?/ ]{11})%i', $url, $match)) {            $this->id = $match[1];        }        else        {            throw new exception('Cannot find an ID!');        }    }    public function getVideo($width='560', $height='315')    {        $video = <<<EOF        <iframe width=$width height=$height src=//www.youtube-nocookie.com/embed/$this->id frameborder=0 allowfullscreen></iframe>EOF;        return $video;    }}$sistar = new Youtube('http://www.youtube.com/watch?v=JtVhwsACgTw');print $sistar->getVideo();$twoneone = new Youtube('http://www.youtube.com/watch?v=LUrUPzLm5SI');print $twoneone->getVideo();This is my first object-oriented script in PHP (I hope it's not too bad in general). I know I should do more validation and commenting within the code. Do you have any suggestions for improving the quality of the code?
Is this a qualified OOP script in PHP?
php;object oriented