SplQueue::setIteratorMode

(PHP 5 >= 5.3.0, PHP 7)

SplQueue::setIteratorMode ¡ª Sets the mode of iteration

Description

Parameters

mode

There is only one iteration parameter you can modify.

• The behavior of the iterator (either one or the other):
  • 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

Warning

The direction of iteration can not be changed for SplQueues, it is always SplDoublyLinkedList::IT_MODE_FIFO.

Return Values

No value is returned.

Errors/Exceptions

Throws a RuntimeException on trying to change the direction of iteration by using SplDoublyLinkedList::IT_MODE_LIFO.

¡û SplQueue::enqueue

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https://secure.php.net/manual/en/splqueue.setiteratormode.php