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Boundaries.php (12.15 KB)

Cast.php (1.16 KB)

Comparison.php (46.09 KB)

Converter.php (14.12 KB)

Creator.php (31.13 KB)

Date.php (350.15 KB)

DeprecatedPeriodProperties.php (1.89 KB)

Difference.php (42.63 KB)

IntervalRounding.php (1.65 KB)

IntervalStep.php (2.86 KB)

LocalFactory.php (1.59 KB)

Macro.php (2.71 KB)

MagicParameter.php (747 B)

Mixin.php (7.28 KB)

Mutability.php (1.27 KB)

ObjectInitialisation.php (448 B)

Options.php (5.92 KB)

Rounding.php (6.93 KB)

StaticOptions.php (5.28 KB)

Test.php (6.28 KB)

Timestamp.php (6.45 KB)

Units.php (19.07 KB)

Week.php (7.54 KB)

Edit: Mutability.php

<?php

declare(strict_types=1);

/**
 * 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\Traits;

use Carbon\Carbon;
use Carbon\CarbonImmutable;

/**
 * Trait Mutability.
 *
 * Utils to know if the current object is mutable or immutable and convert it.
 */
trait Mutability
{
    use Cast;

/**
     * Returns true if the current class/instance is mutable.
     */
    public static function isMutable(): bool
    {
        return false;
    }

/**
     * Returns true if the current class/instance is immutable.
     */
    public static function isImmutable(): bool
    {
        return !static::isMutable();
    }

/**
     * Return a mutable copy of the instance.
     */
    public function toMutable(): Carbon
    {
        return $this->cast(Carbon::class);
    }

/**
     * Return an immutable copy of the instance.
     */
    public function toImmutable(): CarbonImmutable
    {
        // Immutable objects are fine as is (uncloned)
        if ($this::class === CarbonImmutable::class) {
            return $this;
        }

return $this->cast(CarbonImmutable::class);
    }
}