It is if you're using version 5.5: http://www.php.net/manual/en/intro.opcache.ph...

		lmz on May 6, 2014 \| parent \| context \| favorite \| on: Refactored PHP engine makes Wordpress 20% faster It is if you're using version 5.5: http://www.php.net/manual/en/intro.opcache.php