(PHP 5 >= 5.1.0)
RecursiveCachingIterator::__construct — Construct
Constructs a new RecursiveCachingIterator, which consists of a passed in iterator.
本函数还未编写文档,仅有参数列表。
The iterator being used.
The flags. Use CALL_TOSTRING to call RecursiveCachingIterator::__toString() for every element (the default), and/or CATCH_GET_CHILD to catch exceptions when trying to get children.