http_negotiate_language

 string http_negotiate_language ( array $supported [, array &$result ] ) 

説明

This function negotiates the clients preferred language based on its Accept-Language HTTP header. The qualifier is recognized and languages without qualifier are rated highest. The qualifier will be decreased by 10% for partial matches (i.e. matching primary language).

戻り値

Returns the negotiated language or the default language (i.e. first array entry) if none match.