Upgrade PHP to 7.0

[Paul Schmehl]

Are there any instructions explaining how to upgrade php from 5.6.30 to 
7.0? Is it fairly straightforward? Or are there some gotchas one needs to 
know about?

Paul Schmehl, Retired
As if it wasn't already obvious, my opinions
are my own and not those of my employer.
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"It is as useless to argue with those who have
renounced the use of reason as to administer
medication to the dead." Thomas Jefferson
"There are some ideas so wrong that only a very
intelligent person could believe in them." George Orwell