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Ds\PriorityQueue::peek

(PECL ds >= 1.0.0)

Ds\PriorityQueue::peekReturns the value at the front of the queue

Açıklama

public Ds\PriorityQueue::peek(): mixed

Returns the value at the front of the queue, but does not remove it.

Değiştirgeler

Bu işlevin değiştirgesi yoktur.

Dönen Değerler

The value at the front of the queue.

Hatalar/İstisnalar

UnderflowException if empty.

Örnekler

Örnek 1 Ds\PriorityQueue::peek() example

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

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

var_dump($queue->peek());
?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

string(1) "b"
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