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Ds\Queue::pop

(PECL ds >= 1.0.0)

Ds\Queue::popRemoves and returns the value at the front of the queue

Descrizione

public Ds\Queue::pop(): mixed

Removes and returns the value at the front of the queue.

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\Queue::pop() example

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

$queue->push("a");
$queue->push("b");
$queue->push("c");

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

Il precedente esempio visualizzerĂ  qualcosa simile a:

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