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.

$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 or ZLIB_DEFAULT_STRATEGY(the default).
dictionary: A string or an array of strings of the preset dictionary(default: no preset dictionary).

Returns an inflate context resource(zlib.inflate)on success,或者在失败时返回FALSE.

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.