<?php 
namespace GuzzleHttp\Psr7; 
 
use Psr\Http\Message\StreamInterface; 
 
/** 
 * Uses PHP's zlib.inflate filter to inflate deflate or gzipped content. 
 * 
 * This stream decorator skips the first 10 bytes of the given stream to remove 
 * the gzip header, converts the provided stream to a PHP stream resource, 
 * then appends the zlib.inflate filter. The stream is then converted back 
 * to a Guzzle stream resource to be used as a Guzzle stream. 
 * 
 * @link http://tools.ietf.org/html/rfc1952 
 * @link http://php.net/manual/en/filters.compression.php 
 */ 
class InflateStream implements StreamInterface 
{ 
    use StreamDecoratorTrait; 
 
    public function __construct(StreamInterface $stream) 
    { 
        // Skip the first 10 bytes 
        $stream = new LimitStream($stream, -1, 10); 
        $resource = StreamWrapper::getResource($stream); 
        stream_filter_append($resource, 'zlib.inflate', STREAM_FILTER_READ); 
        $this->stream = new Stream($resource); 
    } 
} 
 
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