Subversion-Projekte lars-tiefland.laravel_shop

<?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\Exception\NameException;

use Ramsey\Uuid\UuidInterface;

use ValueError;

use function hash;

/**

 * DefaultNameGenerator generates strings of binary data based on a namespace,

 * name, and hashing algorithm

 */

class DefaultNameGenerator implements NameGeneratorInterface

{

    /** @psalm-pure */

    public function generate(UuidInterface $ns, string $name, string $hashAlgorithm): string

    {

        try {

            /** @var string|bool $bytes */

            $bytes = @hash($hashAlgorithm, $ns->getBytes() . $name, true);

        } catch (ValueError $e) {

            $bytes = false; // keep same behavior than PHP 7

        }

        if ($bytes === false) {

            throw new NameException(sprintf(

                'Unable to hash namespace and name with algorithm \'%s\'',

                $hashAlgorithm

            ));

        }

        return (string) $bytes;

    }

}