History: OPcache
Preview of version: 5
Tiki12
Added in Tiki12: OPcache stats are shown in Performance admin panel.
Related:
http://thephp.cc/viewpoints/blog/2013/06/php-5-5-out-of-the-box-bytecode-cache
http://wikisuite.org/How-to-deactivate-OPcache-on-ClearOS