1<?php
2namespace GuzzleHttp\Stream;
3
4/**
5 * Uses PHP's zlib.inflate filter to inflate deflate or gzipped content.
6 *
7 * This stream decorator skips the first 10 bytes of the given stream to remove
8 * the gzip header, converts the provided stream to a PHP stream resource,
9 * then appends the zlib.inflate filter. The stream is then converted back
10 * to a Guzzle stream resource to be used as a Guzzle stream.
11 *
12 * @link http://tools.ietf.org/html/rfc1952
13 * @link http://php.net/manual/en/filters.compression.php
14 */
15class InflateStream implements StreamInterface
16{
17    use StreamDecoratorTrait;
18
19    public function __construct(StreamInterface $stream)
20    {
21        // Skip the first 10 bytes
22        $stream = new LimitStream($stream, -1, 10);
23        $resource = GuzzleStreamWrapper::getResource($stream);
24        stream_filter_append($resource, 'zlib.inflate', STREAM_FILTER_READ);
25        $this->stream = new Stream($resource);
26    }
27}
28