Ds\PriorityQueue::pop

(PECL ds >= 1.0.0)

Ds\PriorityQueue::pop — Removes and returns the value with the highest priority.

Descrição

public mixed Ds\PriorityQueue::pop ( void )

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).

Parâmetros

Esta função não possui parâmetros.

Valor Retornado

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

Erros

UnderflowException if empty.

Exemplos

Exemplo #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());
?>

O exemplo acima irá imprimir algo similar à:

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