Eloquent\Phony\Verification\Cardinality::__construct PHP Method

    public function __construct($minimum = 1, $maximum = null, $isAlways = false)
    {
        if ($minimum < 0 || $maximum < 0) {
            throw new InvalidCardinalityStateException();
        }
        if (null !== $maximum && $minimum > $maximum) {
            throw new InvalidCardinalityStateException();
        }
        if (null === $maximum && !$minimum) {
            throw new InvalidCardinalityStateException();
        }
        $this->minimum = $minimum;
        $this->maximum = $maximum;
        $this->setIsAlways($isAlways);
    }