If you have miss the great news ;)
This very old and closed source opcode cache have been Open Sourced
under the PHP License by Zend company.
So it is already submitted for review
https://bugzilla.redhat.com/911111
Upsteam plan to merge it into main php tree
https://wiki.php.net/rfc/optimizerplus
As this RFC is not yet voted / approved, we don't know if it will be
part of php 5.5, 5.6 or simply pecl.
I think it worth having it in fedora, at least for older php version
(php 5.4 in Fedora <= 18 and php 5.3 in EPEL)
Test RPM are already available
http://rpms.famillecollet.com/fedora/18/remi/x86_64/repoview/php-ZendOpti...
http://rpms.famillecollet.com/fedora/17/remi/x86_64/repoview/php-ZendOpti...
But of course a quick review will git it a larger audience ;)
APC could probably be removed (it is in a really poor state, still no
stable version for PHP 5.4) or keep only as a user data cache.
Regards.
Remi.