PHP5中文手册·Compress a string -- 追寻梦想＞编程乐园＞PHP 编程

string gzcompress ( string $data [, int $level ] )

This function compress the given string using the ZLIB data format.

For details on the ZLIB compression algorithm see the document "» ZLIB Compressed Data Format Specification version 3.3" (RFC 1950).

Note: This is not the same as gzip compression, which includes some header data. See gzencode() for gzip compression.

data: The data to compress.
level: The level of compression. Can be given as 0 for no compression up to 9 for maximum compression.

The compressed string or FALSE if an error occurred.

Example#1 gzcompress() example


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


	PHP5中文手册 gzclose gzdecode Zlib PHP Manual gzcompress (PHP 4 >= 4.0.1, PHP 5) gzcompress — Compress a string 说明 string gzcompress ( string `$data` [, int `$level` ] ) This function compress the given string using the ZLIB data format. For details on the ZLIB compression algorithm see the document "» ZLIB Compressed Data Format Specification version 3.3" (RFC 1950). Note: This is not the same as gzip compression, which includes some header data. See gzencode() for gzip compression. 参数 `data` The data to compress. `level` The level of compression. Can be given as 0 for no compression up to 9 for maximum compression. 返回值 The compressed string or `FALSE` if an error occurred. 范例 Example#1 gzcompress() example `<?php $compressed = gzcompress('Compress me', 9); echo $compressed; ?>` 参见 gzdeflate() gzinflate() gzuncompress() gzencode() gzclose gzdecode Zlib PHP Manual

gzcompress