List all files in a directory and place them in a select menu

List all files in a directory and place them in a select menu

<?
//list all files in current directory andplace
//ina select box
function listfiles()
{
echo '<select name="filelist">';
$dir = opendir("./");
while($dirlist = readdir($dir))
{
if ($dirlist[0] != "." && $dirlist[0] != ".." )
{
echo "<option value=\"$dirlist\">$dirlist</option>";
}
}
echo '</select>';
closedir($dir);
}

echo '<form method="post" action="">';
listfiles();
echo '</form>';

?>