PHP 5.6 support will drop support after 7.0, so having 7.0 and 7.1
after 5.6 dies seems highly unlikely to me.
Considering the minor backwards incompatible differences between 7.0 and
7.1 what about throwing out 7.0 in favor of 7.1 if the 3 stable PHP
version are too much? I'd like to use some 7.1 features and would hate
to wait another 2 years before having them in OpenBSD.
I couldn't go to 7.x on my host due to issues with phpBB 3.1.x but this is
fixed in phpBB 3.2.x. I'll bump to php 7.x as soon as phpBB 3.2 goes to
release so I'd like to see the support kept up to date moving forward as
long as the maintainer is happy to do so.