Sorcery

<?phpnamespace App\Game;/** The score counters of a game in progress. */final class Stats{    public function __construct(        public int $ticks = 0,        public int $hurts = 0,        public int $kills = 0,        public int $pickups = 0,        public int $rooms = 0,    ) {    }    public function copyFrom(self $o): void    {        $this->ticks = $o->ticks;        $this->hurts = $o->hurts;        $this->kills = $o->kills;        $this->pickups = $o->pickups;        $this->rooms = $o->rooms;    }}