I successfully used PHP 7.0 with IIS and was able to view the phpinfo page. When I upgraded and pointed to PHP 7.1 the phpinfo page in IIS is blank and the spinner continues to act like it is loading. I am able to successfully load php pages in the browser using 7.1 as well. Why is the phpinfo page not loading?
I had a slap your head moment. PHP Storm was still listening for xdebug connections which was tripping it up. Turning that off allowed it to show up.