Writing cache... Sleeping 1.1 second Is cached?bool(TRUE) Sleeping 1.1 second Is cached?bool(TRUE) Sleeping 1.1 second Is cached?bool(FALSE) Sleeping 1.1 second Is cached?bool(FALSE) Writing cache with relative expiration... Sleeping 1.1 second Is cached?bool(TRUE) Sleeping 1.1 second Is cached?bool(TRUE) Sleeping 1.1 second Is cached?bool(FALSE) Sleeping 1.1 second Is cached?bool(FALSE)