40 lines
932 B
PHP
Executable File
40 lines
932 B
PHP
Executable File
<?php
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namespace Http\Message\Encoding;
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use Clue\StreamFilter as Filter;
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use Psr\Http\Message\StreamInterface;
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/**
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* Stream for decoding from gzip format (RFC 1952).
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*
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* @author Joel Wurtz <joel.wurtz@gmail.com>
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*/
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class GzipDecodeStream extends FilteredStream
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{
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/**
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* @param int $level
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*/
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public function __construct(StreamInterface $stream, $level = -1)
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{
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if (!extension_loaded('zlib')) {
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throw new \RuntimeException('The zlib extension must be enabled to use this stream');
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}
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parent::__construct($stream, ['window' => 31]);
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// @deprecated will be removed in 2.0
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$this->writeFilterCallback = Filter\fun($this->writeFilter(), ['window' => 31, 'level' => $level]);
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}
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protected function readFilter(): string
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{
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return 'zlib.inflate';
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}
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protected function writeFilter(): string
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{
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return 'zlib.deflate';
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}
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}
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