(PHP 5 >= 5.1.3)
RecursiveIteratorIterator::__construct — Construct a RecursiveIteratorIterator
Creates a RecursiveIteratorIterator from a RecursiveIterator.
本函数还未编写文档,仅有参数列表。
The iterator being constructed from, which is from a RecursiveIterator or IteratorAggregate.
The mode. Options are LEAVES_ONLY (default), SELF_FIRST and CHILD_FIRST.