Read the article : PHP : opcode and user data caches

So, I recommend all APC users to test this new extension, should replace it transparently for applications.

For PHP 5.4 users

yum remove php-pecl-apc
yum --enablerepo=remi install php-pecl-zendopcache php-pecl-apcu

For PHP 5.5 user

yum remove php-pecl-apc
yum --enablerepo=remi-test install php-opcache php-pecl-apcu

This package is submitted for official Fedora / EPEL repository (Review #928196).