change currency and price depends on country

I need a php script that will change prices depending on which country the page is opened.

the website is offered in 3 individual countries.
Country 1 (Aruba), price and currency should change to Afl.
Country 2, (Curacao) price and currency should change to FL.
Country 3 or else (Bonaire) price and currency should change to $ dollar sign

I need simple PHP script. not too complicated.

The work is for now and not later.
1 hour job