SplPriorityQueue::insert
SplPriorityQueue::key
SplPriorityQueue
PHP Manual

# SplPriorityQueue::isEmpty

(PHP 5 >= 5.3.0)

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

### Описание

bool SplPriorityQueue::isEmpty ( void )

### Список параметров

This function has no parameters.

### Возвращаемые значения

Returns whether the queue is empty.

SplPriorityQueue::insert
SplPriorityQueue::key
SplPriorityQueue
PHP Manual