Removed redundant code in detachBehaviors()

After ensureBehaviors() call $this->_behaviors is an array already. And since detachBehavior() unsets elements in $this->_behaviors, $this->_behaviors turns out to be an empty array after all iterations.

Removed redundant code in detachBehaviors()
ee81915a · Paul Kofmann · 369b9c27 · ee81915a
Commit ee81915a authored Dec 30, 2013 by Paul Kofmann
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Component.php framework/yii/base/Component.php +0 -3

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--- a/framework/yii/base/Component.php
+++ b/framework/yii/base/Component.php
@@ -543,13 +543,10 @@ class Component extends Object
 	public function detachBehaviors()
 	{
 		$this->ensureBehaviors();
-		if ($this->_behaviors !== null) {
 		foreach ($this->_behaviors as $name => $behavior) {
 			$this->detachBehavior($name);
 		}
 	}
-		$this->_behaviors = [];
-	}

 	/**
 	 * Makes sure that the behaviors declared in [[behaviors()]] are attached to this component.