SplPriorityQueue::insert
SplPriorityQueue::key
SplPriorityQueue
PHP Manual

# SplPriorityQueue::isEmpty

(PHP 5 >= 5.3.0)

SplPriorityQueue::isEmpty — Checks whether the queue is empty.

### Descrição

public bool SplPriorityQueue::isEmpty ( void )

### Parâmetros

Esta função não possui parâmetros.

### Valor Retornado

Returns whether the queue is empty.

SplPriorityQueue::insert
SplPriorityQueue::key
SplPriorityQueue
PHP Manual