App\Libraries\ProfileCover::id PHP Метод

    public function id()
    {
        if ($this->hasCustomCover()) {
            return;
        }
        if (!in_array($this->data['id'], $this->availableIds, true)) {
            return $this->availableIds[$this->userId % count($this->availableIds)];
        }
        return $this->data['id'];
    }