ScotlandPHP

inflate_init

(PHP 7)

inflate_initInitialize an incremental inflate context

説明

resource inflate_init ( int $encoding [, array $options = array() ] )

Initialize an incremental inflate context with the specified encoding.

パラメータ

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).

返り値

Returns an inflate context resource (zlib.inflate) on success, 失敗した場合に FALSE を返します.

エラー / 例外

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.

参考

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