Online PHP editor | refs for fYEHe

<?php $doubly=new SplDoublyLinkedList(); $doubly->push(array('name'=>'Naruto')); $doubly->push(array('name'=>'Sakura')); $doubly->push(array('name'=>'Neji')); $doubly->push(array('name'=>'Sasuke')); var_dump($doubly); echo '\r\n FIFO Traversing \r\n'; $doubly->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO | SplDoublyLinkedList::IT_MODE_KEEP); $doubly->rewind(); foreach($doubly as $key=>$value) { echo '\r\nTraversed:'.$key.' '.$value['name']; } echo '\r\nLIFO Traversing - Keep mode \r\n'; $doubly->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO | SplDoublyLinkedList::IT_MODE_KEEP); $doubly->rewind(); foreach($doubly as $key=>$value) { echo '\r\nTraversed:'.$key.' '.$value['name']; } echo '\r\nLIFO Traversing - Delete mode \r\n'; $doubly->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO | SplDoublyLinkedList::IT_MODE_DELETE); $doubly->rewind(); foreach($doubly as $key=>$value) { if($key == 2) break; echo '\r\nTraversed:'.$key.' '.$value['name']; } var_dump($doubly);