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(PHP 5 >= 5.3.0)
SplQueue::setIteratorMode — Sets the mode of iteration
$mode
)
mode
There is only one iteration parameter you can modify.
SplDoublyLinkedList::IT_MODE_DELETE
(Elements are deleted by the iterator) SplDoublyLinkedList::IT_MODE_KEEP
(Elements are traversed by the iterator)
The default mode is: SplDoublyLinkedList::IT_MODE_FIFO
| SplDoublyLinkedList::IT_MODE_KEEP
The direction of iteration can not be changed for SplQueues, it is always SplDoublyLinkedList::IT_MODE_FIFO
.
没有返回值。
Throws a RuntimeException on trying to change the direction of iteration by using SplDoublyLinkedList::IT_MODE_LIFO
.