To find out later that not everything can be cached, e.g. time(), rand(), file_g...

		mojuba on July 24, 2015 \| parent \| context \| favorite \| on: A call to PHP's mt_rand generates only odd numbers To find out later that not everything can be cached, e.g. time(), rand(), file_get_contents()... to find out further that no sys or lib call that contains I/O can be cached. And then damn it, why bother caching at all?