The APC opcode cache extension also has a user cache which has an API similar to memcache but a bit faster since it's using shared memory and not going over the

The APC opcode cache extension also has a user cache which has an API similar to memcache but a bit faster since it's using shared memory and not going over the network. It's shared between all visitors across all requests. http://php.net/manual/en/book.apc.php http://php.net/manual/en/book.apc.php