(PHP 5 >= 5.5.0, PHP 7, PHP 8)
IntlBreakIterator::getPartsIterator — Create iterator for navigating fragments between boundaries
$key_type = IntlPartsIterator::KEY_SEQUENTIAL
) : IntlPartsIterator
本函数还未编写文档，仅有参数列表。
key_typeOptional key type. Possible values are:
IntlPartsIterator::KEY_SEQUENTIAL
- The default. Sequentially increasing integers used as key.
IntlPartsIterator::KEY_LEFT
- Byte offset left of current part used as key.
IntlPartsIterator::KEY_RIGHT
- Byte offset right of current part used as key.