Lister un repertoire selon les extension, aide href

<?php
function browse($pDirectory, $pExtension)
{
if($handle = opendir($pDirectory))
{
while(false !== ($file = readdir($handle)))
{
$getExt = explode(".", $file);
$countExt = count($getExt);
$fExt = $countExt - 1;
$myExt = $getExt[$fExt];

if (($myExt == $pExtension) && ($file != "." ) && ($file != ".." ))
{$files[] = $file;}
}
}
return $files;
closedir($handle);
}

$gDirectory = "./cheats/";
$gExtension = "rar zip";

$ExpExt = explode(" ", $gExtension);
sort ($ExpExt);

foreach ($ExpExt as $findExt)
{
$getFile = @browse($gDirectory, $findExt);
$countFile = count($getFile);

echo "<b>Fichier(s) ".strtoupper($findExt)."</b> (".$countFile." )<br>";

if ($countFile != 0)
{ foreach ($getFile as $myFile) {echo "- ".$myFile."<br>";} }
else
{ echo "- Aucun fichier ".$findExt." trouvé<br>"; }
echo "<br>";
}