43 lines
961 B
PHP
43 lines
961 B
PHP
<?php
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/*
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* This file is part of the Predis package.
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*
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* (c) 2009-2020 Daniele Alessandri
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* (c) 2021-2023 Till Krüss
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Predis\Cluster\Hash;
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use Predis\NotSupportedException;
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/**
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* Hash generator implementing the CRC-CCITT-16 algorithm used by redis-cluster.
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*
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* @deprecated 2.1.2
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*/
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class PhpiredisCRC16 implements HashGeneratorInterface
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{
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public function __construct()
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{
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if (!function_exists('phpiredis_utils_crc16')) {
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// @codeCoverageIgnoreStart
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throw new NotSupportedException(
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'This hash generator requires a compatible version of ext-phpiredis'
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);
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// @codeCoverageIgnoreEnd
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function hash($value)
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{
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return phpiredis_utils_crc16($value);
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}
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}
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