inflate_init()
版本:php7
(PHP 7)
Initialize an incremental inflate context
说明
inflate_init(int $encoding[,array $options= array()]): resource
Initialize an incremental inflate context with the specified$encoding.
参数
- $encoding
One of the
ZLIB_ENCODING_*
constants.- $options
An associative array which may contain the following elements:
- level
The compression level in range -1..9; defaults to -1.
- memory
The compression memory level in range 1..9; defaults to 8.
- window
The zlib window size(logarithmic)in range 8..15; defaults to 15.
- strategy
One of
ZLIB_FILTERED
,ZLIB_HUFFMAN_ONLY
,ZLIB_RLE
,ZLIB_FIXED
orZLIB_DEFAULT_STRATEGY
(the default).- dictionary
A string or an array of strings of the preset dictionary(default: no preset dictionary).
返回值
Returns an inflate context resource(zlib.inflate)on success,或者在失败时返回FALSE
.
错误/异常
If an invalid encoding or option is passed to$options, or the context couldn't be created, an error of level E_WARNING
is generated.
参见
inflate_add()
Incrementally inflate encoded datadeflate_init()
Initialize an incremental deflate context