--- a/index.php	Thu Oct 30 12:05:35 2014 +0900
+++ b/index.php	Thu Oct 30 12:14:32 2014 +0900
@@ -28,7 +28,8 @@
   $files = array();
   $dirs = array();
   while (($file = readdir($dir_handle)) !== false) {
-    if (substr($file, 0, 1) === ".") { continue; }
+    if ($file === "." || $file === "..") { continue; }
+    elseif (!(isset($_SERVER["DL_SHOWALL"]) && $_SERVER["DL_SHOWALL"] === "1") && substr($file, 0, 1) === ".") { continue; }
     elseif (is_dir($dir . $file)) { $dirs[] = $file; }
     else { $files[] = $file; }
   }