SplHeap::extract

(PHP 5 >= 5.3.0, PHP 7)

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

说锟斤拷

public SplHeap::extract ( void ) : mixed

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锟斤拷锟斤拷值

The value of the extracted node.

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Throws RuntimeException when the data-structure is empty.