International PHP Conference Berlin 2021

SplDoublyLinkedList::current

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::currentВозвращает текущий элемент массива

Описание

public SplDoublyLinkedList::current ( ) : mixed

Получает текущий узел двусвязного списка.

Список параметров

У этой функции нет параметров.

Возвращаемые значения

Значение текущего узла.

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User Contributed Notes 1 note

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rakesh dot mishra at gmail dot com
10 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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