SplPriorityQueue::top
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplPriorityQueue::top — Peeks at the node from the top of the queue
说明
参数
此函数没有参数。
返回值
The value or priority (or both) of the top node, depending on the extract flag.
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplPriorityQueue::top — Peeks at the node from the top of the queue
此函数没有参数。
The value or priority (or both) of the top node, depending on the extract flag.