fix PSR-0

Decorator/RenderInXml.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace DesignPatterns\Decorator;
+
+class RenderInXml extends Decorator
+{
+    public function renderData()
+    {
+        $output = $this->_wrapped->renderData();
+        // do some fany conversion to xml from array ...
+        $doc = new \DOMDocument();
+        foreach ($output as $key => $val) {
+            $doc->appendChild($doc->createElement('foo', 'bar'));
+        }
+        
+        return $doc->saveXML();
+    }
+}