inflate_add()
版本:php7
(PHP 7)
Incrementally inflate encoded data
说明
inflate_add(resource $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