Auto detect language and redirect user

Question

I am doing my own website and I managed to write some code that makes directs user to the language version according to the browser\'s language. Here is the script:

Answer 1

Most useful this code

    $lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
if(file_exists('system/lang/'.$lang.'.php'))
{
    include('system/lang/'.$lang.'.php');
}else{
    include('system/lang/en.php'); //set default lang here if not exists translated language in ur system
    }