Need to do this in both php.ini files !!!
Attention Wamp/Wordpress/windows users. I had this issue for hours and not even the correct answer was doing it for me, because i was editing the wrong php.ini file because the question was answered to XAMPP and not for WAMP users, even though the question was for WAMP.
here's what i did
Download the certificate bundle.
Put it inside of
C:\wamp64\bin\php\your php version\extras\ssl