Jose\Compression\Deflate::__construct PHP Method

    public function __construct($compression_level = -1)
    {
        Assertion::integer($compression_level, 'The compression level can be given as 0 for no compression up to 9 for maximum compression. If -1 given, the default compression level will be the default compression level of the zlib library.');
        Assertion::range($compression_level, -1, 9, 'The compression level can be given as 0 for no compression up to 9 for maximum compression. If -1 given, the default compression level will be the default compression level of the zlib library.');
        $this->compression_level = $compression_level;
    }