delete([$table = ''[, $where = ''[, $limit = NULL[, $reset_data = TRUE]]]])

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

initialize([$config = array()])

display_response()

cc($cc)

to($to)

CodeIgniter v3.1.0 (Current

increment_string($str[, $separator = '_'[, $first = 1]])

error_string()

last_row([$type = 'object'])