1 # static string http\Env::negotiateLanguage(array $supported[, array &$result)
3 Negotiate the client's preferred language.
6 > The first elemement of $supported languages serves as a default if no language matches.
11 List of supported content languages.
12 * Optional reference array &$result
13 Out parameter recording negotiation results.
17 * NULL, if negotiation fails.
18 * string, the negotiated language.