mb_language Set/Get current language stringmb_language stringlanguage mb_language sets language. If language is omitted, it returns current language as string. language setting is used for encoding e-mail messages. Valid languages are "Japanese", "ja","English","en" and "uni" (UTF-8). mb_send_mail uses this setting to encode e-mail. Language and its setting is ISO-2022-JP/Base64 for Japanese, UTF-8/Base64 for uni, ISO-8859-1/quoted printable for English. Return Value: If language is set and language is valid, it returns &true;. Otherwise, it returns &false;. When language is omitted, it returns language name as string. If no language is set previously, it returns &false;. See also mb_send_mail.