SplDoublyLinkedList::key
(PHP 5 >= 5.3.0)
SplDoublyLinkedList::key — Return current node index
Parameters
This function has no parameters.
Return Values
The current node index.
(PHP 5 >= 5.3.0)
SplDoublyLinkedList::key — Return current node index
This function has no parameters.
The current node index.
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