But the last version of php 5 is not finished:
I remember the book
What happened to php6 ? https://wiki.php.net/ideas/php6
Opcache has been bundled with 5.5.0. A real integration did not happen yet while stabilizing it was the highest priority.
OPCache is preferred for efficient drupal 8 performance.
Personally I will concentrate on php 5.+ until ...
Site admins or moderators
My profile information is wrong:
Joined Aug 29, '14
xml kgun site:sitepoint.com
and you will find post long before that date, I think I joined your forumun in 2005 or 2006.