`ee site update example.com --hhvm=on` useful for single site `ee site update-all --hhvm=on` useful for all sites Idea is `update-all` will run `ee update` for each site accessible via `ee site list`
ee site update example.com --hhvm=onuseful for single siteee site update-all --hhvm=onuseful for all sitesIdea is
update-allwill runee updatefor each site accessible viaee site list