[UPDATE] upgraded vagrant to xenial and PHP7

Vagrantfile

@@ -2,14 +2,14 @@
 # vi: set ft=ruby :
 
 Vagrant.configure(2) do |config|
-  config.vm.box = "ubuntu/trusty64"
+  config.vm.box = "ubuntu/xenial64"
   config.vm.network :forwarded_port, guest: 80, host: 8080
   config.vm.host_name = "learnosity-demo.dev"
 
   config.vm.provision "shell", inline: <<-SHELL
      sudo apt-get update
      sudo apt-get install -y vim curl
-     sudo apt-get install -y php5 apache2 libapache2-mod-php5 php5-curl php5-gd php5-mcrypt git-core
+     sudo apt-get install -y php7.0 apache2 libapache2-mod-php7.0 php7.0-curl php7.0-gd php7.0-mcrypt git-core
      sudo rm -rf /var/www/html
      sudo ln -s /vagrant/www /var/www/html
   SHELL