When deleting a cookie you should assure that the expiration date is in the past, to trigger the removal mechanism in your browser.
?php setcookie( "cookie[three]", "cookiethree "); setcookie ("cookie[two]", "cookietwo"); setcookie ("cookie[one]", "cookieone "); if (isset ($cookie)) {while (list ($name, $value) = each ($cookie)) {echo "$name == $value br \n";}}?