From 9b5e870a2db73895820749ce9d83250af98012ee Mon Sep 17 00:00:00 2001
From: Qiang Xue <qiang.xue@gmail.com>
Date: Fri, 10 Aug 2012 08:43:54 -0400
Subject: [PATCH] Added Component::__clone()

---
 framework/base/Component.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/framework/base/Component.php b/framework/base/Component.php
index fb9657a..f3f2f73 100644
--- a/framework/base/Component.php
+++ b/framework/base/Component.php
@@ -208,6 +208,15 @@ class Component extends \yii\base\Object
 	}
 
 	/**
+	 * This method is called after the object is created by cloning an existing one.
+	 * It removes all behaviors because they are attached to the old object.
+	 */
+	public function __clone()
+	{
+		$this->_b = null;
+	}
+
+	/**
 	 * Returns a list of behaviors that this component should behave as.
 	 *
 	 * Child classes may override this method to specify the behaviors they want to behave as.