Ds\PriorityQueue::pop

(PECL ds >= 1.0.0)

Ds\PriorityQueue::popRemoves and returns the value with the highest priority

Description

public Ds\PriorityQueue::pop(): mixed

Removes and returns the value at the front of the queue, ie. the value with the highest priority.

Note:

Values with equal priority fall back to FIFO (first in first out).

Liste de paramètres

Cette fonction ne contient aucun paramètre.

Valeurs de retour

The removed value which was at the front of the queue.

Erreurs / Exceptions

UnderflowException if empty.

Exemples

Exemple #1 Ds\PriorityQueue::pop() example

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

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

print_r($queue->pop());
print_r($queue->pop());
print_r($queue->pop());
?>

Résultat de l'exemple ci-dessus est similaire à :

string(1) "a"
string(1) "b"
string(1) "c"
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