PHP Manual
Zlib 函数
Uncompress a compressed string

gzuncompress

(PHP 4 >= 4.0.1, PHP 5, PHP 7)

gzuncompress — Uncompress a compressed string

说明

gzuncompress ( string $data [, int $length = 0 ] ) : string

This function uncompress a compressed string.

参数

data: The data compressed by gzcompress().
length: The maximum length of data to decode.

返回值

The original uncompressed data or FALSE on error.

The function will return an error if the uncompressed data is more than 32768 times the length of the compressed input data or more than the optional parameter length.

范例

Example #1 gzuncompress() example

 <?php
$compressed   = gzcompress('Compress me', 9);
$uncompressed = gzuncompress($compressed);
echo $uncompressed;
?>

参见

gzcompress() - Compress a string
gzinflate() - Inflate a deflated string
gzdeflate() - Deflate a string
gzencode() - Create a gzip compressed string

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