inflate_add
(PHP 7)
inflate_add — Incrementally inflate encoded data
说明
$context
,
string $encoded_data
[,
int $flush_mode
= ZLIB_SYNC_FLUSH ] ) :
string
Incrementally inflates encoded data in the specified context
.
Limitation: header information from GZIP compressed data are not made available.
参数
-
context
-
A context created with inflate_init().
-
encoded_data
-
A chunk of compressed data.
-
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 setZLIB_NO_FLUSH
to maximize compression, andZLIB_FINISH
to terminate with the last chunk of data. See the » zlib manual for a detailed description of these constants.
返回值
Returns a chunk of uncompressed data, 或者在失败时返回 FALSE
.
错误/异常
If invalid parameters are given, inflating the data requires a preset dictionary, but none is specified, the compressed stream is corrupt or has an invalid checksum, an error of level E_WARNING
is generated.
参见
- inflate_init() - Initialize an incremental inflate context