预定义常量

下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

FORCE_GZIP (int)
FORCE_DEFLATE (int)
ZLIB_ENCODING_RAW (int)
DEFLATE 压缩算法,按照 RFC 1951 标准。
ZLIB_ENCODING_DEFLATE (int)
ZLIB 压缩算法,按照 RFC 1950 标准。
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)