public function extract($archive, $destination)
	{
		$this->data = null;

		if (!isset($this->options['use_streams']) || $this->options['use_streams'] == false)
		{
			$this->data = file_get_contents($archive);

			if (!$this->data)
			{
				throw new \RuntimeException('Unable to read archive');
			}

			$position = $this->getFilePosition();
			$buffer   = gzinflate(substr($this->data, $position, \strlen($this->data) - $position));

			if (empty($buffer))
			{
				throw new \RuntimeException('Unable to decompress data');
			}

			if (!File::write($destination, $buffer))
			{
				throw new \RuntimeException('Unable to write archive to file ' . $destination);
			}
		}
		else
		{
			// New style! streams!
			$input = Stream::getStream();

			// Use gz
			$input->set('processingmethod', 'gz');

			if (!$input->open($archive))
			{
				throw new \RuntimeException('Unable to read archive');
			}

			$output = Stream::getStream();

			if (!$output->open($destination, 'w'))
			{
				$input->close();

				throw new \RuntimeException('Unable to open file "' . $destination . '" for writing');
			}

			do
			{
				$this->data = $input->read($input->get('chunksize', 8196));

				if ($this->data)
				{
					if (!$output->write($this->data))
					{
						$input->close();

						throw new \RuntimeException('Unable to write archive to file ' . $destination);
					}
				}
			}
			while ($this->data);

			$output->close();
			$input->close();
		}

		return true;
	}