PHP SplDoublyLinkedList offsetGet() Function
Last Updated :
23 Jun, 2023
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The SplDoublyLinkedList::offsetGet() function is an inbuilt function in PHP which returns the value at given index.
Syntax:
php
php
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($list->offsetGet(3));
?>
<?php // Declare an empty SplDoublyLinkedList$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 notvar_dump($list->offsetGet(2));var_dump($list->offsetGet(3));?>
Output:
Program 2:
int(30) string(5) "Geeks"
<?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));
?>
<?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 notvar_dump($list->offsetGet(1));var_dump($list->offsetGet(2));var_dump($list->offsetGet(3));?>
Output:
Reference: https://www.php.net/manual/en/spldoublylinkedlist.offsetget.php
int(2) int(3) int(8)
