<@40.is_function> <@local(h)> <$h = validator(begin_hash, argv#0) )> subject = メールタイトル subject:min_chars = 1 subject:max_chars = 64 subject:filter0 = trim from = 送信元メールアドレス from:filter0 = email to = 送信先メールアドレス to:filter0 = emails to:filter1 = notnull <$end> <$ifbreak(form_error())> <$return(h)>