Here's the code. Keep in mind that register_globals is set to "off" in my php.ini file.
I know this code works. I use it on my Unix-hosted websites.
// Read the files from the directory
$Open = opendir("docs");
while ($Files = readdir($Open)) {
$Filename = "docs/" . $Files;
if (is_file($Filename)) {
$Size = filesize("docs/$Files");
$Show_Filesize = number_format($Size/1024) . " KB";
print ("<TR><TD class=small><a href=\"docs/$Files\">$Files</a></TD><TD class=small>$Show_Filesize</TD><TD class=small><INPUT TYPE=CHECKBOX NAME=\"Delete[]\" VALUE=\"$Files\"></TD><TD class=small><INPUT TYPE=CHECKBOX NAME=\"Rename[]\" VALUE=\"$Files\"> <INPUT TYPE=TEXT NAME=\"NewName[$Files]\"></TD></TR>\n");
}
}
closedir($Open);