SplDoublyLinkedList::next
SplDoublyLinkedList::offsetGet
SplDoublyLinkedList
PHP Manual

# SplDoublyLinkedList::offsetExists

(PHP 5 >= 5.3.0)

SplDoublyLinkedList::offsetExists — Returns whether the requested $index exists

### Description

public bool SplDoublyLinkedList::offsetExists ( mixed `$index` )

### Parameters

`index`

  The index being checked.

### Return Values

`TRUE` if the requested `index` exists, otherwise `FALSE`

SplDoublyLinkedList::next
SplDoublyLinkedList::offsetGet
SplDoublyLinkedList
PHP Manual