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<?php /** * This file is part of the ramsey/uuid library * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. * * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> * @license http://opensource.org/licenses/MIT MIT */ declare(strict_types=1); namespace Ramsey\Uuid\Rfc4122; /** * Provides common functionality for nil UUIDs * * @immutable */ trait NilTrait { /** * Returns the bytes that comprise the fields * * @pure */ abstract public function getBytes(): string; /** * Returns true if the byte string represents a nil UUID */ public function isNil(): bool { return $this->getBytes() === "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; } }