Php/docs/function.inflate-add
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inflate_add
(PHP 7)
inflate_add — Incrementally inflate encoded data
说明
inflate_add
( InflateContext $context
, string $data
[, int $flush_mode = ZLIB_SYNC_FLUSH
] ) : string|false
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().
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_FLUSHto maximize compression, andZLIB_FINISHto 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.
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0 | context expects an InflateContext
instance now; previously, a resource was expected. |
