SplDoublyLinkedList::offsetExists

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplDoublyLinkedList::offsetExistsReturns whether the requested $index exists

Description

public SplDoublyLinkedList::offsetExists(int $index): bool

Parameters

index

The index being checked.

Return Values

true if the requested index exists, otherwise false