Make PHP pathinfo() return the correct filename if the filename is UTF-8

Question

When using PHP\'s pathinfo() function on a filename known to be UTF-8, it does not return the correct value, unless there are \'normal\' characters in front of

Answer 1

As the doc shows,

Caution

pathinfo() is locale aware, so for it to parse a path containing multibyte characters correctly, the matching locale must be set using the setlocale() function.

and the example in the manual