ci3 cors doesn't works

I believe your problem is in the:

PHP Code:

// change thjis
header("Access-Control-Allow-Origin: *");

// should be your web site url
header("Access-Control-Allow-Origin: https://www.your-web-site.com"); 


READ:

Cross-Origin Resource Sharing (CORS)

i had tried this and still doesn't works ?. Im so confused what should i do now