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SplPriorityQueue::extract

(PHP 5 >= 5.3.0, PHP 7)

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

说明

public SplPriorityQueue::extract ( void ) : mixed

参数

此函数没有参数。

返回值

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