502 error in html template

Question

hi guys
i have a html template and i want to change it to a php file like this (index.html to index.php)
when i change it to php 502 error appear

i need to use php code to connect to database

Answer 1

Look at your server this error means something is wrong with your server

https://en.wikipedia.org/wiki/List_of_HTTP_status_codes

Answer 2

Maybe a typo in your index.php file which makes this error

Answer 3

my server is fine i can connect to my database in another php file in my project
only my main page (indx.html) show this error

Answer 4

i'm new to php, html and css
my problem solved !
I did not define interpreter for php in phpstorm IDE 😅 thank you nico for your response

Answer 5

No problem