An example of using this to find all the code points in a string that cannot be transliterated to Latin-ASCII:
<?php
$string = "Народm, Intl gurus get paid €10000/hr (PHP 5 >= 5.5.0, PHP 7, PHP 8)
This break iterator identifies the boundaries between UTF-8 code points.
$locale = null): ?IntlBreakIterator$type = IntlPartsIterator::KEY_SEQUENTIAL): IntlPartsIterator