2 fonctions PHP pour compresser et décompresser un fichier .gz

<?php
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/* Titre          : 2 fonctions PHP pour compresser et décompresser un...     */
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/* URL            : http://www.phpsources.org/scripts191-PHP.htm              */
/* Auteur         : PHP Sources                                               */
/* Date édition   : 19 Déc 2006                                               */
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function uncompress($srcName, $dstName) {
$string = implode("", gzfile($srcName));
$fp = fopen($dstName, "w");
fwrite($fp, $string, strlen($string));
fclose($fp);
} 

function compress($srcName, $dstName)
{
$fp = fopen($srcName, "r");
$data = fread ($fp, filesize($srcName));
fclose($fp);

$zp = gzopen($dstName, "w9");
gzwrite($zp, $data);
gzclose($zp);
}

compress("test.php","test.gz");
uncompress("test.gz","test2.php");

?>