IteratorIterator::getInnerIterator Get the inner iterator &reftitle.description; public IteratornullIteratorIterator::getInnerIterator Get the inner iterator. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; The inner iterator as passed to IteratorIterator::__construct, or &null; when there is no inner iterator. &reftitle.seealso; Iterator OuterIterator