zendframework/zf2 — pull request #4577 by Tomdarkness (2013-06-02 18:07:28+00:00)
Title: Fix issue with Redis Cache adapter whereby setOption was being called before connecting to Redis server

You can't call setOption until you've connected to Redis. Not really sure why this is the case but this is how the phpredis extension behaves.

See issue #4576