wamp php version updata code example
Example: update php version wamp windows
For someone who need to update the PHP version in WAMP, I can recommend this http://wampserver.aviatechno.net/
I had a problems with updating too, but on this website are Wampserver addons like new php version (php 7.1.4 etc.) And you don't have to manually edit files like php.ini or phpForApache.
Enjoy!