Esi\ConsistentHash\Hasher\Crc32Hasher

Complexity

Total Complexity

1

Size/Duplication

Total Lines	6
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	hash()	0	4	1

<?php

declare(strict_types=1);

/**
 * This file is part of Esi\ConsistentHash.
 *
 * (c) Eric Sizemore <admin@secondversion.com>
 * (c) Paul Annesley <paul@annesley.cc>
 *
 * This source file is subject to the MIT license. For the full copyright and
 * license information, please view the LICENSE file that was distributed with
 * this source code.
 */

namespace Esi\ConsistentHash\Hasher;

use Override;

use function crc32;

/**
 * Uses CRC32 to hash a value into a signed 32bit int address space.
 * Under 32bit PHP this (safely) overflows into negatives ints.
 */
final class Crc32Hasher implements HasherInterface
{
    #[Override]
    public function hash(string $string): int
    {
        return crc32($string);
    }
}