This is how….
<?php
$lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
switch ($lang){
case "pt":
echo "Browser lang PT!";
break;
case "it":
echo "Browser IT";
break;
case "en":
echo "Browser lang EN";
break;
default:
echo "Browser lang EN - Setting Default";
break;
}
?>