As with all the projects in this book, we're making use of the language file to serve text to users. This way, you can enable multiple region/multiple language support. Let's create the language file.
Create the /path/to/codeigniter/application/language/english/en_admin_lang.php file and add the following code to it:
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
s// General
$lang['system_system_name'] = "Signup";
// nav
$lang['nav_home'] = "Home";
// index()
$lang['singup_instruction'] = "";
$lang['signup_email'] = "Your Email";
$lang['signup_opt1'] = "Option 1";
$lang['signup_opt2'] = "Option 2";
$lang['signup_unsub'] = "Unsubscribe";
$lang['signup_success'] = "You have signed up";
$lang['signup_error'] = "There was an error in signing up";
$lang['setting_success'] = "Your settings have been amended";
$lang['setting_error'] = "There was an error in amending your settings";
$lang['unsub_success'] = "You have been unsubscribed";
$lang...