PHP 7.0.14 Released

SplDoublyLinkedList::key

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::keyReturn current node index

Description

public mixed SplDoublyLinkedList::key ( void )

This function returns the current node index

Parameters

This function has no parameters.

Return Values

The current node index.

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