wc--Wide-Character

Ab ¦ Al ¦ Ap ¦ mbstr ¦ Pd ¦ Pf ¦ Pg ¦ Ph ¦ Pi ¦ Pm ¦ Pp ¦ Pt ¦ Px ¦ Rt ¦ utf8 ¦ wc

The Photon libraries provide wide-character functions that are useful if you're working with Unicode characters.

wctolower()
wctoutf8()

Ab ¦ Al ¦ Ap ¦ mbstr ¦ Pd ¦ Pf ¦ Pg ¦ Ph ¦ Pi ¦ Pm ¦ Pp ¦ Pt ¦ Px ¦ Rt ¦ utf8 ¦ wc