helper.php

helper.php

 /**
         * @brief Returns the server protocol
         * @returns the server protocol
         *
         * Returns the server protocol. It respects reverse proxy servers and load balancers
         */
    public static function serverProtocol() {

        if ($_SERVER['HTTP_X_FORWARDED_HOST'] == 'ssl-account.com'){
            $proto = 'https';
        }else{
            if (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
                $proto = strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']);
            }else{
                if(isset($_SERVER['HTTPS']) and !empty($_SERVER['HTTPS']) and ($_SERVER['HTTPS']!='off')) {
                    $proto = 'https';
                }else{
                    $proto = 'http';
                }
            }
        }
        return($proto);
    }