How to execute index.php on server?

Question

PHP

Hello toasters!
If the file is called index.html, then the page is displayed.
And if you rename it to index.php, then the error is 500.

Tell me how to solve this problem?

Answer 1

Which server?
Make a page next to index and call test.php
in it just write this:

<?php
phpinfo();

try to open it, if it does not open, then php is not working on the server

Answer 2

You need to install PHP on the Apache/nginx server