Fixed: count(): Parameter must be an array or an object that implements Countable

Author: Cristi Cotet

src/shared/FileInfoCollection.php

@@ -11,7 +11,7 @@ class FileInfoCollection implements \Iterator, \Countable {
         /**
          * @var FileInfo[]
          */
-        private $data;
+        private $data = [];
 
         /**
          * @var int