Test your applications Test your extensions It is really easy! Full Vagrant Debian Dev Environment Or if you prefer Docker: github.com/janatzend/docker-php7-nightly-build Install Vagrant and Virtualbox Then: It will NAT, DHCP and also has a fixed address of 192.168.7.7 http://192.168.7.7/ will show you the PHP 7 phpinfo() page Now you have a working Rasmus-approved dev box on your network Switching PHP versions is trivial 24 pre-compiled versions Build any version or manually