public function url_stat($path)
{
stream_wrapper_restore('file');
$r = false;
if (file_exists($path)) {
$hwnd = fopen($path, 'r');
if ($hwnd) {
$r = fstat($hwnd);
}
}
stream_wrapper_unregister("file");
stream_wrapper_register("file", get_class($this));
return $r;
}