Ds\PriorityQueue::isEmpty

(PECL ds >= 1.0.0)

Ds\PriorityQueue::isEmpty — Returns whether the queue is empty

Descrierea

public Ds\PriorityQueue::isEmpty ( void ) : bool

Returns whether the queue is empty.

Parametri

Această funcție nu are parametri.

Valorile întoarse

Returns TRUE if the queue is empty, FALSE otherwise.

Exemple

Example #1 Ds\PriorityQueue::isEmpty() example


<?php
$a = new \Ds\PriorityQueue();
$b = new \Ds\PriorityQueue();

$a->push("a",  5);
$a->push("b", 15);
$a->push("c", 10);

var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>

Exemplul de mai sus va afișa ceva similar cu:

bool(false)
bool(true)