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Ds\PriorityQueue::isEmpty

(PECL ds >= 1.0.0)

Ds\PriorityQueue::isEmptyReturns whether the queue is empty

Description

public bool Ds\PriorityQueue::isEmpty ( void )

Returns whether the queue is empty.

Parameters

This function has no parameters.

Return Values

Returns TRUE if the queue is empty, FALSE otherwise.

Examples

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());
?>

The above example will output something similar to:

bool(false)
bool(true)
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