SplPriorityQueue::key

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplPriorityQueue::key — Return current node index

说明

public SplPriorityQueue::key ( ) : mixed

This function returns the current node index

参数

此函数没有参数。

返回值

The current node index.

User Contributed Notes

There are no user contributed notes for this page.