Comment 8 for bug 1686237

Tested, as per usual, by installing php in a LXD 16.04 container and then upgrading to the versions in -proposed. Everything went smoothly:

# apt policy php7.0
php7.0:
  Installed: 7.0.18-0ubuntu0.16.04.1
  Candidate: 7.0.18-0ubuntu0.16.04.1
  Version table:
 *** 7.0.18-0ubuntu0.16.04.1 500
        500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     7.0.15-0ubuntu0.16.04.4 500
        500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
     7.0.4-7ubuntu2 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages

Marking as verification-done.