Flow PHP

CompressionCodec

FinalYes

Supported compression algorithms.

Codecs added in format version X.Y can be read by readers based on X.Y and later. Codec support may vary between readers based on the format version and libraries available at runtime.

See Compression.md for a detailed specification of these algorithms.

Constants

BROTLI = 4
GZIP = 2
LZ4 = 5
LZ4_RAW = 7
LZO = 3
SNAPPY = 1
UNCOMPRESSED = 0
ZSTD = 6

Properties

$__names : mixed

BROTLI


    public
        mixed
    BROTLI
    = 4

GZIP


    public
        mixed
    GZIP
    = 2

LZ4


    public
        mixed
    LZ4
    = 5

LZ4_RAW


    public
        mixed
    LZ4_RAW
    = 7

LZO


    public
        mixed
    LZO
    = 3

SNAPPY


    public
        mixed
    SNAPPY
    = 1

UNCOMPRESSED


    public
        mixed
    UNCOMPRESSED
    = 0

ZSTD


    public
        mixed
    ZSTD
    = 6

$__names


    public
    static    mixed
    $__names
     = [0 => 'UNCOMPRESSED', 1 => 'SNAPPY', 2 => 'GZIP', 3 => 'LZO', 4 => 'BROTLI', 5 => 'LZ4', 6 => 'ZSTD', 7 => 'LZ4_RAW']