Version 4.2.0

system/Patterns/Singleton.php

@@ -1,12 +1,11 @@
 <?php
 /**
  * @brief		Singleton Pattern
- * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
- * @copyright	(c) 2001 - 2016 Invision Power Services, Inc.
- * @license		http://www.invisionpower.com/legal/standards/
- * @package		IPS Community Suite
+ * @author		<a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) Invision Power Services, Inc.
+ * @license		https://www.invisioncommunity.com/legal/standards/
+ * @package		Invision Community
  * @since		18 Feb 2013
- * @version		SVN_VERSION_NUMBER
  */
 
 namespace IPS\Patterns;
@@ -89,6 +88,17 @@ class _Singleton implements \Iterator
 		return isset( $this->data[ $key ] );
 	}
 	
+	/**
+	 * Magic Method: Unset
+	 *
+	 * @param	mixed	$key	Key
+	 * @return	void
+	 */
+	public function __unset( $key )
+	{
+		unset( $this->data[ $key ] );
+	}
+	
 	/**
 	 * Iterator: Rewind
 	 *