open read doRead: abc|i:123; destroy doDestroy close open validateId read doRead: abc|i:123; read write doWrite: abc|i:123; close Array ( [0] => 'X-Powered-By: PHP/7.1.33 ZendServer/9.1.10' [1] => Content-Type: text/plain; charset=utf-8 [2] => Cache-Control: max-age=10800, private, must-revalidate [3] => Set-Cookie: sid=random_session_id; path=/; secure; HttpOnly ) shutdown