<?php
/*
* Examples of DoublyLinkedList
*/
$obj = new SplDoublyLinkedList();
// Check wither linked list is empty
if ($obj->isEmpty())
{
echo "Adding nodes to Linked List<br>";
$obj->push(2);
$obj->push(3);
echo "Adding the node at beginning of doubly linked list <br>";
$obj->unshift(10);
}
echo "<br>Our Linked List:";
print_r($obj);
$curr = $obj->current(); // this will return NULL as we have not set initial node.
echo "<br> Rewinding the position so that current node points to first node ";
$obj->rewind();
echo "<br>Current node of the linked list:";
echo $obj->current(); // this will print first node of the linked list.
echo "<br>Moving to Next node:";
$obj->next();
echo "<br>Printing the next node:";
echo $obj->current();
?>
SplDoublyLinkedList::current
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplDoublyLinkedList::current — Return current array entry
Parameters
This function has no parameters.
Return Values
The current node value.
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User Contributed Notes 1 note
rakesh dot mishra at gmail dot com ¶
13 years ago
