<?php

function redirect_ssl() {
    $CI =& get_instance();
    $class = $CI->router->fetch_class();
    $exclude = array('client');
    if(!in_array($class,$exclude)) {
    $CI->config->config['base_url'] = str_replace('http://', 'https://', $CI->config->config['base_url']);
    if ($_SERVER['SERVER_PORT'] != 443) redirect($CI->uri->uri_string());
     
    }
    else {
        $CI->config->config['base_url'] = str_replace('https://', 'http://', $CI->config->config['base_url']);
        if ($_SERVER['SERVER_PORT'] == 443) redirect($CI->uri->uri_string());
    }
}