SplPriorityQueue::insert
SplPriorityQueue::key
SplPriorityQueue
PHP Manual

# SplPriorityQueue::isEmpty

(PHP 5 >= 5.3.0)

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

### Descripción

bool SplPriorityQueue::isEmpty ( void )

### Lista de parámetros

This function has no parameters.

### Valores retornados

Returns whether the queue is empty.

SplPriorityQueue::insert
SplPriorityQueue::key
SplPriorityQueue
PHP Manual