IteratorAggregate::getIterator

(PHP 5, PHP 7)

IteratorAggregate::getIterator��ȡһ���ⲿ������

˵��

abstract public IteratorAggregate::getIterator ( void ) : Traversable

����һ���ⲿ��������

����

�˺���û�в�����

����ֵ

ʵ���� Iterator �� Traversable �ӿڵ����һ��ʵ����

�����쳣

ʧ��ʱ�׳� Exception��