Ds\PriorityQueue::pop

(PECL ds >= 1.0.0)

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

Descrizione

public Ds\PriorityQueue::pop ( void ) : mixed

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

Nota:

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

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

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

Errori/Eccezioni

UnderflowException if empty.

Esempi

Example #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());
?>

Il precedente esempio visualizzerĂ  qualcosa simile a:

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