PHP Email - set the email text/html format

HTML email example

$email = "email@example.com";
$subject = "Test";
$message = "Html format message, e.g <div>message</div>";
$headers = "MIME-Version: 1.0\n" .
        "From: Me <me@example.com>\n" .
        "Content-Type: text/html; charset=\"UTF-8\"\n";
mail($email, $subject, $message , $headers);