generate([$year = ''[, $month = ''[, $data = array()]]])

default_template()

delete_cookie($name[, $domain = ''[, $path = '/'[, $prefix = '']]])

segment($n[, $no_result = NULL])

entity_decode($str[, $charset = NULL])

version($target_version)

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

user_agent([$xss_clean = NULL])

is_countable($word)

elements($items, $array[, $default = NULL])