Variable names correction

lib/Portfolio.php

@@ -40,7 +40,7 @@ final class Portfolio
         $galleries = [];
         foreach (array_diff(scandir("./galleries"), [".", ".."]) as $dir) {
             $path = "./galleries/$dir";
-            $meta = "$gallery_path/metadata.txt";
+            $meta = "$path/metadata.txt";
             if (!is_file($meta)) {
                 continue;
             }