vendor/nesbot/carbon/src/Carbon/Traits/Serialization.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\Traits;

use Carbon\Exceptions\InvalidFormatException;
use ReturnTypeWillChange;
use Throwable;

/**
 * Trait Serialization.
 *
 * Serialization and JSON stuff.
 *
 * Depends on the following properties:
 *
 * @property int $year
 * @property int $month
 * @property int $daysInMonth
 * @property int $quarter
 *
 * Depends on the following methods:
 *
 * @method string|static locale(string $locale = null, string ...$fallbackLocales)
 * @method string        toJSON()
 */
trait Serialization
{
    use ObjectInitialisation;

    /**
     * The custom Carbon JSON serializer.
     *
     * @var callable|null
     */
    protected static $serializer;

    /**
     * List of key to use for dump/serialization.
     *
     * @var string[]
     */
    protected $dumpProperties = ['date', 'timezone_type', 'timezone'];

    /**
     * Locale to dump comes here before serialization.
     *
     * @var string|null
     */
    protected $dumpLocale;

    /**