Fix warnings

[banana.git] / banana / tree.inc.php

diff --git a/banana/tree.inc.php b/banana/tree.inc.php
index f780bcd..6db3c44 100644 (file)
--- a/banana/tree.inc.php
+++ b/banana/tree.inc.php
@@ -102,6 +102,13 @@ class BananaTree
         file_put_contents(BananaTree::filename($id), serialize($this));
     }
 
+    /** Return html to display the tree
+     */
+    public function &show()
+    {
+        return $this->data;
+    }
+
     /** Get filename
      */
     static private function filename($id)