Syntax:mixed SplDoublyLinkedList::pop (void)
Parameters:this function takes no parameters.
Return Value:This function returns the value of the popup node in a doubly linked list.The following programs illustrate the
SplDoublyLinkedList function: : pop()in PHP:
Program 1:
// Declare an empty SplDoublyLinkedList
$list
=
new
SplDoublyLinkedList;
// Use the SplDoublyLinkedList::add() function for
// add elements to SplDoublyLinkedList
$list
-> add (0, 30);
$list
-> add (1, 20);
$list
-> add (2, 30);
$list
-> add (3,
" Geeks "
);
$list
-> add (4,
’ G’
);
// Use the SplDoublyLinkedList::pop() function
// remove items from a doubly linked list
var_dump (
$list
-> pop());
var_dump (
$list
-> pop());
?>
Exit:string (1 ) "G" string (5) "Geeks"
Program 2:
// Declare an empty SplDoublyLinkedList
$list
=
new
SplDoublyLinkedList();
// Use the SplDoublyLinkedList::push() function for
// add elements to SplDoublyLinkedList
$list
-> push (1);
$list
-> push (2);
$list
-> push (3);
$list
-> push (8);
$list
-> push (5);
// Use the SplDoublyLinkedList::pop() function
// remove items from a doubly linked list
var_dump (
$list
-> pop());
var_dump (
$list
-> pop());
var_dump (
$list
-> pop());
?>
Exit:int (5 ) int (8) int (3)
Link: https : //www.php.net/manual/en/spldoublylinkedlist.pop.php