open
read
doRead: abc|i:123;

updateTimestamp
close
Array
(
    [0] => Content-Type: text/plain; charset=utf-8
    [1] => Cache-Control: max-age=10800, private, must-revalidate
    [2] => Set-Cookie: sid=87aa7fa6e5677dc385419d4def0af87a; path=/; secure; HttpOnly
    [3] => Set-Cookie: abc=def
)
shutdown