public static function can_do_advanced()
{
if (self::$_can_do_advanced < 0) {
$filemod = cms_utils::get_module('FileManager');
$config = cmsms()->GetConfig();
if (startswith($config['uploads_path'], $config['root_path']) && $filemod->AdvancedAccessAllowed()) {
self::$_can_do_advanced = 1;
} else {
self::$_can_do_advanced = 0;
}
}
return self::$_can_do_advanced;
}