Php/docs/splheap.key

• PHP Manual
• SplHeap
• Return current node index

SplHeap::key

(PHP 5 >= 5.3.0, PHP 7)

SplHeap::key — Return current node index

Description

public SplHeap::key ( ) : mixed

This function returns the current node index

Parameters

This function has no parameters.

Return Values

The current node index.