Destiny\Grimoire\StatisticCollection::__construct PHP Method

    public function __construct(Card $card, array $items = null)
    {
        if (is_array($items)) {
            foreach ($items as $properties) {
                $statistic = new Statistic($card, $properties);
                if ($statistic->value || $statistic->hasRanks()) {
                    $this->items[$statistic->statNumber] = $statistic;
                }
            }
        }
    }