Set generated PHP output to Memcached server by Nginx transparently

[Dayo]

This is like the Holy Grail. See my similar request here
http://forum.nginx.org/read.php?2,117833.

However, the answer I got was on the cryptic side with the only thing I
could make out being it is not a good idea with proxy which I use as at
yet so I gave up.

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,120614,120755#msg-120755