Online PHP editor | refs for nNFMp

<?php /* * Examples of DoublyLinkedList */ $obj = new SplDoublyLinkedList(); // Check wither linked list is empty if ($obj->isEmpty()) { echo "Adding nodes to Linked List<br>\r\n"; $obj->push(2); $obj->push(3); echo "Adding the node at beginning of doubly linked list <br>\r\n"; $obj->unshift(10); } echo "<br>Our Linked List:"; print_r($obj); echo "<br>Pick the node from beginning of doubly linked list \r\n"; echo $obj->bottom();