get_compiled_insert([$table = ''[, $reset = TRUE]])

get_request_header($index[, $xss_clean = FALSE])

parse_string($template, $data[, $return = FALSE])

cache_set_path([$path = ''])

delete_files($path[, $del_dir = FALSE[, $htdocs = FALSE]])

send_error([$message = 'Incomplete information'])

download($filename = 'backup.zip')

class CI_DB_driver initialize()

xml_from_result($query[, $params = array()])

config($file[, $use_sections = FALSE[, $fail_gracefully = FALSE]])