Using presence channels in Pusher (http://pusher.com), how can I get notified server side when someone connects or disconnects from a presence channel? Is it even possible? My server is running PHP.
I found a similar question on Pusher's support. Phil Leggetter who answerd said that there are two possible workarounds. But they aren't presented. Here is that question: https://pusher.tenderapp.com/discussions/questions/65-how-to-see-that-a-user-is-still-alive-on-a-private-channel
