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 // 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:
1
Program 2:
<?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:
30
Reference: https://www.php.net/manual/en/spldoublylinkedlist.current.php
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