The EmptyIterator class
(PHP 5 >= 5.1.0, PHP 7)
简介
The EmptyIterator class for an empty iterator.
Table of Contents
- EmptyIterator::current — The current() method
- EmptyIterator::key — The key() method
- EmptyIterator::next — The next() method
- EmptyIterator::rewind — The rewind() method
- EmptyIterator::valid — The valid() method