The SplDoublyLinkedList::offsetGet() function is an inbuilt function in PHP which returns the value at given index.
Syntax:
mixed SplDoublyLinkedList::offsetGet( $index )
Parameters: This function accepts a single parameter $index which holds the index value.
Return Value: It returns the value at given index.
Below programs illustrate the SplDoublyLinkedList::offsetGet() function in PHP:
Program 1:
<?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'); $list->rewind(); // Use SplDoublyLinkedList::offsetGet() function // to check index exist or not var_dump($list->offsetGet(2)); var_dump($list->offsetGet(3)); ?> |
Output:
int(30) string(5) "Geeks"
Program 2:
<?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); $list->push(5); // Use SplDoublyLinkedList::offsetGet() function // to check index exist or not var_dump($list->offsetGet(1)); var_dump($list->offsetGet(2)); var_dump($list->offsetGet(3)); ?> |
Output:
int(2) int(3) int(8)
Reference: https://www.php.net/manual/en/spldoublylinkedlist.offsetget.php
