config_item($key)

unix_to_human([$time = ''[, $seconds = FALSE[, $fmt = 'us']]])

If you do not utilize CodeIgniter’s template engine, you’ll

set_select($field[, $value = ''[, $default = FALSE]])

has_userdata($key)

class CI_Config $config Array of all loaded config values

class CI_Trackback $data = array('url' => '', 'title' => '', 'excerpt' => '', 'blog_name'

group_start()

form_button([$data = ''[, $content = ''[, $extra = '']]])

sess_destroy()