name : TimeGeneratorInterface.php <?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\Generator; use Ramsey\Uuid\Type\Hexadecimal; /** * A time generator generates strings of binary data based on a node ID, * clock sequence, and the current time */ interface TimeGeneratorInterface { /** * Generate a binary string from a node ID, clock sequence, and current time * * @param Hexadecimal|int|string|null $node A 48-bit number representing the * hardware address; this number may be represented as an integer or a * hexadecimal string * @param int|null $clockSeq A 14-bit number used to help avoid duplicates * that could arise when the clock is set backwards in time or if the * node ID changes * * @return string A binary string */ public function generate($node = null, ?int $clockSeq = null): string; }