Description:
------------
Hey,
i got a problen about deleting cookie array.
when i use the code above with normal cookie, all work good, but when i defined a "cookie array" i cannot delete it.

Reproduce code:
---------------
<?php

// the cookie array name is PearServices_ClientSession

if( isset( $_COOKIE['PearServices_ClientSession'] ) )
		{
			foreach ( $_COOKIE['PearServices_ClientSession'] as $k => $v )
			{
				pearRegistry::DeleteCookie( "PearServices_ClientSession[".$k."]" );
			}
		}
// pearRegistry::deletecookie function

final static function DeleteCookie( $name )
	{
		setcookie( $name, "", time() -3600 );
	}
?>

Expected result:
----------------
Cookie disappire

Actual result:
--------------
Cookie still in browser...