display_error([$error = ''[, $swap = ''[, $native = FALSE]]])

class CI_Table $function = NULL Allows you to specify a native PHP function

word_wrap($str[, $charlim = 76])

platform()

The Profiler Class will display benchmark results, queries you have run, and $_POST data at the bottom of your pages. This information can be useful during development

cache_info()

select_sum([$select = ''[, $alias = '']])

optimize_database()

drop_database($db_name)

password_get_info($hash)