SplHeap::extract

(PHP 5 >= 5.3.0, PHP 7)

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

Description

public SplHeap::extract ( void ) : mixed

Parameters

This function has no parameters.

Return Values

The value of the extracted node.

Errors/Exceptions

Throws RuntimeException when the data-structure is empty.