SplHeap::current
SplHeap::insert
SplHeap
PHP Manual

# SplHeap::extract

(PHP 5 >= 5.3.0)

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

### Descrição

public mixed SplHeap::extract ( void )

### Parâmetros

Esta função não possui parâmetros.

### Valor Retornado

The value of the extracted node.

### Erros

Throws RuntimeException when the data-structure is empty.

SplHeap::current
SplHeap::insert
SplHeap
PHP Manual