What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.



gzcompress — Compress a string of data using ZLIB compression.


string gzcompress(data[, level]);
string data: A string of data
int level (optional): Level of compression


A string of compressed data or FALSE on failure


Compresses a string of data starting with 0 compression to level 9 compression. The compressed data useing the ZLIB compression alogrithm, but is not the same as a gzip file, which has header information.


PHP 4 >= 4.0.1


Example 1462. Compress data using ZLIB compression

$gzcompressed = gzcompress('Compress this.', 9);
print $gzcompressed;

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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