A zacneme hned “swiss army knife”
www.username.host.domain.com –> domain.com/foo/username/bar
HTTP/1.1 requests which contain a Host: HTTP header
RewriteEngine on
RewriteCond %{HTTP_HOST} ^www\.[^.]+\.host\.com$
RewriteRule ^(.+) %{HTTP_HOST}$1 [C]
RewriteRule ^www\.([^.]+)\.host\.com(.*) /home/$1$2