search for in the  
<gzcompressgzencode>
Last updated: Thu, 19 May 2005

gzdeflate

(PHP 4 >= 4.0.4, PHP 5)

gzdeflate -- Deflate a string

Description

string gzdeflate ( string data [, int level] )

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

For details on the DEFLATE compression algorithm see the document "DEFLATE Compressed Data Format Specification version 1.3" (RFC 1951).

Parameters

data

The data to deflate.

level

The level of compression. Can be given as 0 for no compression up to 9 for maximum compression. If not given, the default compression level will be the default compression level of the zlib library.

Return Values

The deflated string or FALSE if an error occurred.

Examples

Example 1. gzdeflate() example

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

See Also

gzinflate()
gzcompress()
gzuncompress()
gzencode()



User Contributed Notes
gzdeflate
denis dot noessler at red-at dot de
17-Jun-2003 05:26
if you have compressed data which is greater than 2 MB (system dependent), you will receive a buffer error by calling the function gzinflate().
be sure to to compress your data by a lower compression level, like 1.
i.e.: gzdeflate($sData, 1);

<gzcompressgzencode>
 Last updated: Thu, 19 May 2005
Copyright © 2001-2005 The PHP Group
All rights reserved.		 This unofficial mirror is operated at: The Server Pages
Last updated: Thu May 19 17:35:34 2005 CDT