<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 Symfony\Component\Cache\Marshaller;
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use Symfony\Component\Cache\Exception\CacheException;
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/**
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* Compresses values using gzdeflate().
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class DeflateMarshaller implements MarshallerInterface
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{
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private $marshaller;
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public function __construct(MarshallerInterface $marshaller)
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{
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if (!\function_exists('gzdeflate')) {
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throw new CacheException('The "zlib" PHP extension is not loaded.');
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}
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$this->marshaller = $marshaller;
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}
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/**
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* {@inheritdoc}
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*/
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public function marshall(array $values, ?array &$failed): array
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{
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return array_map('gzdeflate', $this->marshaller->marshall($values, $failed));
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}
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/**
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* {@inheritdoc}
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*/
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public function unmarshall(string $value)
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{
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if (false !== $inflatedValue = @gzinflate($value)) {
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$value = $inflatedValue;
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}
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return $this->marshaller->unmarshall($value);
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}
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}
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