PHP 8.3.0 RC 6 available for testing

SplPriorityQueue::key

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

SplPriorityQueue::keyReturn current node index

说明

public SplPriorityQueue::key(): int

This function returns the current node index

参数

此函数没有参数。

返回值

The current node index.

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