SplPriorityQueue::top

(PHP 5 >= 5.3.0, PHP 7)

SplPriorityQueue::topPeeks at the node from the top of the queue

说锟斤拷

public SplPriorityQueue::top ( void ) : mixed

锟斤拷锟斤拷

锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷

锟斤拷锟斤拷值

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