Add-on [PAID] Who Is Online - Wordpress/XenForo Sync


I use Wordpress and XenForo on one domain.

I'm looking for someone to develop the functionality to sync 'Who is online' across both Wordpress and XenForo.

So, XenForo's 'Who is online' to include those browsing Wordpress and Wordpress to display a 'Who Is Online' including the same count.

The count must include both users browsing the wordpress front page, and users browing XenForo - with a session time that can be readily altered and well optimised.

Any takers?