SplHeap::extract

(PHP 5 >= 5.3.0, PHP 7)

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

Descrierea

public SplHeap::extract ( void ) : mixed

Parametri

Această funcție nu are parametri.

Valorile întoarse

The value of the extracted node.

Erori/Excepții

Throws RuntimeException when the data-structure is empty.