empty is better than isset

diff --git a/view/theme/frio/php/scheme.php b/view/theme/frio/php/scheme.php
index fa7d4a3fe50de2fef139b346247851e365e6ae36..9e3f610cd558d92f353c4e95a814c530add16700 100644 (file)
--- a/view/theme/frio/php/scheme.php
+++ b/view/theme/frio/php/scheme.php
@@ -24,7 +24,7 @@ function get_scheme_info($scheme)
 {
        $theme = \get_app()->getCurrentTheme();
        $themepath = 'view/theme/' . $theme . '/';
-       if (!isset($scheme)) {
+       if (empty($scheme)) {
                $scheme = PConfig::get(local_user(), 'frio', 'scheme', PConfig::get(local_user(), 'frio', 'scheme'));
        }