預(yù)定義常量

下列常量由此擴(kuò)展定義，且僅在此擴(kuò)展編譯入 PHP 或在運(yùn)行時(shí)動態(tài)載入時(shí)可用。

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)