Ho provato così e funge
Codice PHP:
<?php
ini_set
("default_charset""UTF-8");
header('Content-Type: text/html;charset=utf-8');
?>

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Jap</title>
</head>
<body>
    福利
</body>
</html>