(PHP 5 >= 5.4.0, PHP 7, PHP 8, PECL intl >= 2.0.0)
Transliterator provides transliteration of strings.
$rules
, int $direction
= Transliterator::FORWARD): ?Transliterator$string
, int $start
= 0, int $end
= -1): string|false
Transliterator::FORWARD
Transliterator::REVERSE