Hai cercato la traduzione di tw da Inglese a Coreano

tw
tw

euc-tw (traditional)
euc-tw (번체)

chinese traditional (euc-tw)
중국어 번체(euc-tw)

if --with-mbstring=tw is used, traditional chinese encoding will be supported.
참고: as of php 4.3.0, the option --enable-mbstr-enc-trans will be eliminated and replaced with mbstring.encoding_translation. http input character encoding conversion is enabled when this is set to on (the default is off).

euc-cn, cp936, hz, euc-tw, cp950, big-5, euc-kr, uhc (cp949), iso-2022-kr, windows-1251 (cp1251), windows-1252 (cp1252), cp866, koi8-r.
php.ini entry, which accepts encoding name, accepts "auto" and "pass" also. mbstring functions, which accepts encoding name, and accepts "auto ".