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SplDoublyLinkedList::current

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplDoublyLinkedList::currentReturn current array entry

Açıklama

public SplDoublyLinkedList::current(): mixed

Get the current doubly linked list node.

Bağımsız Değişkenler

Bu işlevin bağımsız değişkeni yoktur.

Dönen Değerler

The current node value.

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User Contributed Notes 1 note

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rakesh dot mishra at gmail dot com
13 years ago
<?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();

?>
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