SplDoublyLinkedList
PHP Manual

SplDoublyLinkedList::offsetExists

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

SplDoublyLinkedList::offsetExistsReturns whether the requested $index exists

Описание

bool SplDoublyLinkedList::offsetExists ( mixed $index )

Список параметров

index

The index being checked.

Возвращаемые значения

TRUE if the requested index exists, otherwise FALSE


SplDoublyLinkedList
PHP Manual