input_stream([$index = NULL[, $xss_clean = NULL]])

get_post($index[, $xss_clean = NULL])

set_cookie($name = ''[, $value = ''[, $expire = ''[, $domain = ''[, $path = '/'[, $prefix = ''[, $secure = FALSE[, $httponly = FALSE]]]]]]])

is_cli_request()

post([$index = NULL[, $xss_clean = NULL]])

get([$index = NULL[, $xss_clean = NULL]])

post_get($index[, $xss_clean = NULL])

cookie([$index = NULL[, $xss_clean = NULL]])

request_headers([$xss_clean = FALSE])

class CI_Input $raw_input_stream Read only property that will return php://input