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    Returns whether the requested $index exists
    SplDoublyLinkedList
    PHP Manual

    SplDoublyLinkedList::offsetExists

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

    SplDoublyLinkedList::offsetExists — Returns 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
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