mb_substr() function is not working in PHP

Question

I had to use mb_substr() function in php but returns error. Does anyone know the reason?

Answer 1

it depends on the way you used it.

Answer 2

i used it normal way.

$str = “qwertyäýü”;
$letter = mb_substr($str, 2, -1);

#actuaľy it doesnt accept mb_ functions here at all.