Вообще не реагирует
[mbstring]
; language for internal character representation.
; This affects mb_send_mail() and mbstring.detect_order.
; http://php.net/mbstring.language
;mbstring.language = Japanese
; Use of this INI entry is deprecated, use global internal_encoding instead.
; internal/script encoding.
; Some encoding cannot work as internal encoding. (e.g. SJIS, BIG5, ISO-2022-*)
; If empty, default_charset or internal_encoding or iconv.internal_encoding is used.
; The precedence is: default_charset < internal_encoding < iconv.internal_encoding
mbstring.internal_encoding = UTF-8