inflate_add() - zlib函数（压缩文件）

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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 set ZLIB_NO_FLUSH to maximize compression, and ZLIB_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

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