PHP SplDoublyLinkedList key() Function

PHP SplDoublyLinkedList current() Function

Last Updated : 23 Jun, 2023

The SplDoublyLinkedList::current() function is an inbuilt function in PHP which is used to returns the current element of the array.

Syntax:

mixed SplDoublyLinkedList::current( void )

Parameters: It does not accepts any parameter.

Return Value: It returns the current node value of doubly linked list.

Below programs illustrate the SplDoublyLinkedList::current() function in PHP:

Program 1:

<?php  
  
// Declare an empty SplDoublyLinkedList 
$list = new \SplDoublyLinkedList; 
  
// Use SplDoublyLinkedList::push() function to  
// add elements to the SplDoublyLinkedList 
$list->push(1); 
$list->push(2); 
$list->push(3); 
$list->push(8); 
$list->push(5); 
  
$list->rewind(); 
  
// Use current() function 
print_r($list->current()); 
  
?>  

Output:

Program 2:

<?php  
  
// Declare an empty SplDoublyLinkedList 
$list = new \SplDoublyLinkedList; 
  
// Use SplDoublyLinkedList::add() function to  
// add elements to the SplDoublyLinkedList 
$list->add(0, 30); 
$list->add(1, 20); 
$list->add(2, 30); 
$list->add(3, "Geeks"); 
$list->add(4, 'G'); 
  
$list->rewind(); 
  
// Use current() function 
print_r($list->current()); 
  
?>  

Output:

Reference: https://www.php.net/manual/en/spldoublylinkedlist.current.php

PHP SplDoublyLinkedList key() Function

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