CarbonPeriodImmutable.php
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<?php
/**
* This file is part of the Carbon package.
*
* (c) Brian Nesbitt <brian@nesbot.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Carbon;
class CarbonPeriodImmutable extends CarbonPeriod
{
/**
* Default date class of iteration items.
*
* @var string
*/
protected const DEFAULT_DATE_CLASS = CarbonImmutable::class;
/**
* Date class of iteration items.
*
* @var string
*/
protected $dateClass = CarbonImmutable::class;
/**
* Prepare the instance to be set (self if mutable to be mutated,
* copy if immutable to generate a new instance).
*
* @return static
*/
protected function copyIfImmutable()
{
return $this->constructed ? clone $this : $this;
}
}