new appraoch

pancake/system/vendor/symfony/var-dumper/Cloner/ClonerInterface.php

@@ -0,0 +1,27 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Cloner;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+interface ClonerInterface
+{
+    /**
+     * Clones a PHP variable.
+     *
+     * @param mixed $var Any PHP variable
+     *
+     * @return Data The cloned variable represented by a Data object
+     */
+    public function cloneVar($var);
+}