zendframework/zf1 — pull request #263 by holtkamp (2014-01-06 23:07:18+00:00)
Title: Allow setting Memcached::OPT_NO_BLOCK

https://github.com/zendframework/zf1/issues/53
www.php.net/manual/en/memcached.constants.php#memcached.constants.opt-no-block

The value of the constant is '0', which the old approach filtered out