PHP | SplDoublyLinkedList __construct() 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

<?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

<?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 __construct() Function

jit_t

Improve

Article Tags :

Similar Reads

PHP SplDoublyLinkedList count() function

The SplDoublyLinkedList::count() function is an inbuilt function in PHP which is used to count the number of elements present in a doubly linked list. Syntax: int SplDoublyLinkedList::count( void ) Parameters: It does not contain any parameter. Return Value: It returns the number of elements present

PHP | SplDoublyLinkedList __construct() Function

The SplDoublyLinkedList::__construct() function is an inbuilt function in PHP which is used to create a new empty doubly linked list. Syntax: public SplDoublyLinkedList::__construct( void ) Parameters: This function does not accept any parameter. Return Value: This function does not return any value

PHP SplDoublyLinkedList key() Function

The SplDoublyLinkedList::key() function is an inbuilt function in PHP which is used to return the index of the current node. Syntax: mixed SplDoublyLinkedList::key( void ) Parameters: This function does not accepts any parameters. Return Value: It returns the index of current node. Below programs il

PHP SplDoublyLinkedList top() Function

The SplDoublyLinkedList::top() function is an inbuilt function in PHP which is used to return the value of last (top) node in a doubly-linked list. Syntax: mixed SplDoublyLinkedList::top( void ) Parameters: This function does not accepts any parameters. Return Value: It returns the value of last nod

PHP SplDoublyLinkedList pop() Function

The SplDoublyLinkedList::pop() function is an inbuilt function in PHP which is used to pop the node from the end of the doubly linked list. Syntax: mixed SplDoublyLinkedList::pop( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the value of a popp

PHP SplDoublyLinkedList prev() Function

The SplDoublyLinkedList::prev() function is an inbuilt function in PHP which is used to move to the previous entry. Syntax: void SplDoublyLinkedList::prev( void ) Parameters: This function does not accepts any parameters. Return Value: It does not return any value. Below programs illustrate the SplD

PHP SplDoublyLinkedList next() Function

The SplDoublyLinkedList::next() function is an inbuilt function in PHP which is used to move the index into next index. Syntax: void SplDoublyLinkedList::next( void ) Parameters: This function does not accept any parameter. Return Value: It does not return any value. Below programs illustrate the Sp

PHP SplDoublyLinkedList push() Function

The SplDoublyLinkedList::push() function is an inbuilt function in PHP which is used to push an element at the end of the doubly linked list. Syntax: void SplDoublyLinkedList::push( $value ) Parameters: This function accepts a single parameter $value which holds an element to push it at the end of d

PHP | SplDoublyLinkedList valid() Function

The SplDoublyLinkedList::valid() function is an inbuilt function in PHP which is used to check whether the doubly linked list contains more nodes or not. Syntax: bool SplDoublyLinkedList::valid( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TRUE

PHP SplDoublyLinkedList shift() Function

The SplDoublyLinkedList::shift() function is an inbuilt function in PHP which is used to shift the node from the beginning of the doubly linked list. Syntax: mixed SplDoublyLinkedList::shift( void ) Parameters: This function does not accepts any parameters. Return Value: It returns the value of shif