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PHP SplDoublyLinkedList pop () function

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

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