SplPriorityQueue
PHP Manual

SplPriorityQueue::key

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

SplPriorityQueue::keyReturn current node index

Description

mixed SplPriorityQueue::key ( void )

This function returns the current node index

Parameters

This function has no parameters.

Return Values

The current node index.


SplPriorityQueue
PHP Manual