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Ds\Deque::shift

(PECL ds >= 1.0.0)

Ds\Deque::shiftRemoves and returns the first value

Description

public Ds\Deque::shift(): mixed

Removes and returns the first value.

Liste de paramètres

Cette fonction ne contient aucun paramètre.

Valeurs de retour

The first value, which was removed.

Erreurs / Exceptions

UnderflowException if empty.

Exemples

Exemple #1 Ds\Deque::shift() example

<?php
$deque
= new \Ds\Deque(["a", "b", "c"]);

var_dump($deque->shift());
var_dump($deque->shift());
var_dump($deque->shift());
?>

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

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