Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

FORCE_GZIP (int)

FORCE_DEFLATE (int)

ZLIB_ENCODING_RAW (int)

DEFLATE algorithm as per RFC 1951.

ZLIB_ENCODING_DEFLATE (int)

ZLIB compression algorithm as per RFC 1950.

ZLIB_ENCODING_GZIP (int)

GZIP algorithm as per RFC 1952.

ZLIB_FILTERED (int)

ZLIB_HUFFMAN_ONLY (int)

ZLIB_FIXED (int)

ZLIB_RLE (int)

ZLIB_DEFAULT_STRATEGY (int)

ZLIB_BLOCK (int)

ZLIB_NO_FLUSH (int)

ZLIB_PARTIAL_FLUSH (int)

ZLIB_SYNC_FLUSH (int)

ZLIB_FULL_FLUSH (int)

ZLIB_FINISH (int)