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@ 2017-09-20T12:59:49Z

<?php

$q = new SplQueue();
$q->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
$q->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO);

$q->enqueue(1);
$q->enqueue(2);

foreach ($q as $elt) {
    var_dump($elt);
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

31.61 ms | 404 KiB | 5 Q