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 doubly linked list.

Return Value: It does not return any value.

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

Program 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?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);
  
// Display the elements of doubly linked list
var_dump($list);
  
?> 

chevron_right


Output:

object(SplDoublyLinkedList)#1 (2) {
  ["flags":"SplDoublyLinkedList":private]=>
  int(0)
  ["dllist":"SplDoublyLinkedList":private]=>
  array(5) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
    [3]=>
    int(8)
    [4]=>
    int(5)
  }
}

Program 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php 
  
// Declare an empty SplDoublyLinkedList
$list = new \SplDoublyLinkedList();
  
// Use SplDoublyLinkedList::push() function to 
// add elements to the SplDoublyLinkedList
$list->push("Welcome");
$list->push("to");
$list->push("GeeksforGeeks");
$list->push(5);
  
// Display the elements of doubly linked list
print_r($list);
  
?> 

chevron_right


Output:

SplDoublyLinkedList Object
(
    [flags:SplDoublyLinkedList:private] => 0
    [dllist:SplDoublyLinkedList:private] => Array
        (
            [0] => Welcome
            [1] => to
            [2] => GeeksforGeeks
            [3] => 5
        )

)

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



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.