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SplDoublyLinkedList
PHP Manual

SplDoublyLinkedList::offsetExists

(No version information available, might be only in CVS)

SplDoublyLinkedList::offsetExistsReturns whether the requested $index exists

Description

bool SplDoublyLinkedList::offsetExists ( mixed $index )

Parameters

index

The index being checked.

Return Values

TRUE if the requested index exists, otherwise FALSE


SplDoublyLinkedList
PHP Manual