SplPriorityQueue::extract

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

SplPriorityQueue::extract — Extracts a node from top of the heap and sift up

說明

public SplPriorityQueue::extract(): mixed

參數(shù)

此函數(shù)沒有參數(shù)。

返回值

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