WordPress on PHP 7.2
As php is making it’s progress, and we were happy with the speed improvements coming from php 5.6 for php 7.0, 7.2 seems to top that pleasure with a slam dunk. But what are the effects for WordPress? This site is running php 7.2, so it is possible.
Should you update?
First The core seems to run fine on php 7.2, there are some failures I have noticed with updating plugins. But some functions have been deprecated and they might brake your site.
Switching the version of php in your hosting panel can be switched back (if your host offers a switch), so you might if well check if it works for you.
Read more: Wamp on PHP 7.2