PHP encode and compress

encode_compress.php

<?php
/* by pablo at compuar dot com see http://php.net/manual/de/function.base64-encode.php
 *
 *
 */

$string = 'Blah';

$encoded = strtr(base64_encode(addslashes(gzcompress(serialize($string),9))), '+/=', '-_,');
$string= unserialize(gzuncompress(stripslashes(base64_decode(strtr($encoded, '-_,', '+/=')))));