start a restructure

Structural/Composite/InputElement.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace DesignPatterns\Composite;
+
+/**
+ * Class InputElement
+ */
+class InputElement extends FormElement
+{
+    /**
+     * renders the input element HTML
+     *
+     * @param int $indent
+     *
+     * @return mixed|string
+     */
+    public function render($indent = 0)
+    {
+        return str_repeat('  ', $indent) . '<input type="text" />';
+    }
+}