PHP SplDoublyLinkedList pop() Function
Last Updated :
23 Jun, 2023
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 popped node in the doubly linked list. The below programs illustrate the SplDoublyLinkedList::pop() function in PHP.
Program 1:
php
<?php
$list = new \SplDoublyLinkedList;
$list ->add(0, 30);
$list ->add(1, 20);
$list ->add(2, 30);
$list ->add(3, "Geeks" );
$list ->add(4, 'G' );
var_dump( $list ->pop());
var_dump( $list ->pop());
?>
|
Output:
string(1) "G"
string(5) "Geeks"
Program 2:
php
<?php
$list = new \SplDoublyLinkedList();
$list ->push(1);
$list ->push(2);
$list ->push(3);
$list ->push(8);
$list ->push(5);
var_dump( $list ->pop());
var_dump( $list ->pop());
var_dump( $list ->pop());
?>
|
Output:
int(5)
int(8)
int(3)
Reference: https://www.php.net/manual/en/spldoublylinkedlist.pop.php
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