Adds a DirectoryFilter IteratorFilter to match subdirectories

source/lib/SihnonFramework/Utility/DirectoryFilter.class.php

@@ -0,0 +1,9 @@
+<?php
+
+class SihnonFramework_Utility_DirectoryFilter extends FilterIterator {
+    public function accept() {
+        return is_dir($this->current()->getFilename());
+    }
+}
+
+?>