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)
-
-
ZLIB_VERSION
(string)
-
zlib
version number as a string.
-
ZLIB_VERNUM
(int)
-
zlib
version number as an int.
-
ZLIB_OK
(int)
-
No errors or additional status information.
-
ZLIB_STREAM_END
(int)
-
Stream ended successfully.
-
ZLIB_NEED_DICT
(int)
-
Preset dictionary is needed.
-
ZLIB_ERRNO
(int)
-
File operation error.
-
ZLIB_STREAM_ERROR
(int)
-
Stream state is inconsistent or a parameter is invalid.
-
ZLIB_DATA_ERROR
(int)
-
Input data is corrupted.
-
ZLIB_MEM_ERROR
(int)
-
Insufficient memory.
-
ZLIB_BUF_ERROR
(int)
-
No progress is possible due to insufficient buffer space or unexpected ending of an input stream.
-
ZLIB_VERSION_ERROR
(int)
-
zlib
library version is incompatible with the version assumed by the caller.