[Summary view] [Print] [Text view]

   1  <?php
   2  namespace 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   */
  15  class 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  }