OpenedIntegerInterval.php

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<?php
declare(strict_types=1);
/* Copyright (c) 1998-2019 ILIAS open source, Extended GPL, see docs/LICENSE */

namespace ILIAS\Data\Interval;

use ILIAS\Refinery\ConstraintViolationException;

class OpenedIntegerInterval
{
    private $minimum;

    private $maximum;

    public function __construct(int $minimum, int $maximum)
    {
        if ($maximum < $minimum) {
            throw new ConstraintViolationException(
                sprintf('The maximum("%s") can NOT be lower than the minimum("%s")', $maximum, $minimum),
                'exception_maximum_minimum_mismatch',
                $maximum,
                $minimum
            );
        }

        $this->minimum = $minimum;
        $this->maximum = $maximum;
    }

    public function spans(int $numberToCheck) : bool
    {
        if ($numberToCheck < $this->minimum) {
            return false;
        } elseif ($numberToCheck > $this->maximum) {
            return false;
        }

        return true;
    }

    public function minimum() : int
    {
        return $this->minimum;
    }

    public function maximum() : int
    {
        return $this->maximum;
    }
}