class Video
{
    private $title;
    private $amount;
    private $avgRating;

    public function __construct(string $title, int $amount, float $avgRating)
    {
        $this->title = $title;
        $this->amount = $amount;
        $this->avgRating = $avgRating;
    }

    public function listVideo(): string
    {
        return 'Title: ' . $this->title . ', Amount: ' . $this->amount . ', Rating: ' . $this->avgRating . "\n";
    }

    public function rentOutVideo(string $title)
    {
        $this->title = $title;

    }
}

class VideoStore
{
    private $videos;

    public function __construct(array $videos)
    {

        $this->videos = $videos;
    }

    public function listAllVideos(): array
    {
        $allVideos = [];

        foreach ($this->videos as $video) {
            $allVideos[] = $video->listVideo();
        }

        return $allVideos;
    }
}
$videos = [
    new Video('The Matrix', 11, '6.5'),
    new Video('Godfather II', 3, '8.9'),
    new Video('Star Wars Episode IV: A New Hope', 1, '9.1')
];

$videostore = new VideoStore($videos);
echo implode('', $videostore->listAllVideos());