How to force ssl in codeigniter?

Question

I am using codeigniter 3. How do I force SSL connection to my web pages so that all the pages are loaded with the green padlock icon beside it?

Note: How can I do th

Answer 1

Codeigniter(GAE): best practice to redirect http to https in the ssl.php file:

function force_ssl() {
    $server=$_SERVER["SERVER_NAME"];
    $uri=$_SERVER["REQUEST_URI"];
    if ($_SERVER['HTTPS'] == 'off') {
        redirect("https://{$server}{$uri}");
    }
}