(PHP 7)
deflate_add — Incrementally deflate data
$context
, string $data
[, int $flush_mode
= ZLIB_SYNC_FLUSH
] )Incrementally deflates data in the specified context.
context
A context created with deflate_init().
data
A chunk of data to compress.
flush_mode
One of ZLIB_BLOCK
,
ZLIB_NO_FLUSH
,
ZLIB_PARTIAL_FLUSH
,
ZLIB_SYNC_FLUSH
(default),
ZLIB_FULL_FLUSH
, ZLIB_FINISH
.
Normally you will want to set ZLIB_NO_FLUSH
to
maximize compression, and ZLIB_FINISH
to terminate
with the last chunk of data. See the » zlib manual for a
detailed description of these constants.
Returns a chunk of compressed data, 失敗した場合に FALSE
を返します.
If invalid arguments are given, an error of level
E_WARNING
is generated.