SplPriorityQueue::top

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

SplPriorityQueue::top — Peeks at the node from the top of the queue

說明

public SplPriorityQueue::top(): mixed

參數

此函數沒有參數。

返回值

The value or priority (or both) of the top node, depending on the extract flag.