message($body)

field_data($table)

form_error([$field = ''[, $prefix = ''[, $suffix = '']]])

optimize_database()

random_element($array)

get_item($row_id)

unmark_temp($key)

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

form_label([$label_text = ''[, $id = ''[, $attributes = array()]]])

do_upload([$field = 'userfile'])