how to setup built-in webserver in PhpStorm
First (check your interpreter)
1- From File choose Setting
2- In setting navigate to PHP
3- In Interpreter (if you don't have interpreter you will see message like that )
Second (Add new interpreter)
1-Add new interpreter From Add sign (green plus +) --> choose (other)local if you work in your local pc
2-write any name you want refer to (default PHP)
3- navigate to your PHP directory file From PHP home*
I hope this help you
*If you use wamp you will find it in c:\wamp\bin\php(your php version)
If you use xamp you will find it C:\xampp\php
sudo apt-get install php-cgi
Maybe will help too.
if you install wamp server or any other local server in your pc... as i showed in below photos you can set the default localhost to wamp server