La classe SplStack

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

Introduction

La classe SplStack fournit l'interface de base pour implémenter une pile, basée sur une liste doublement chaînée en définissant le mode de l'itérateur à SplDoublyLinkedList::IT_MODE_LIFO.

Synopsis de la classe

class SplStack extends SplDoublyLinkedList {
/* Constantes héritées */
public const int SplDoublyLinkedList::IT_MODE_LIFO;
public const int SplDoublyLinkedList::IT_MODE_FIFO;
public const int SplDoublyLinkedList::IT_MODE_DELETE;
public const int SplDoublyLinkedList::IT_MODE_KEEP;
/* Méthodes héritées */
public function SplDoublyLinkedList::add(int $index, mixed $value): void
public function SplDoublyLinkedList::bottom(): mixed
public function SplDoublyLinkedList::count(): int
public function SplDoublyLinkedList::current(): mixed
public function SplDoublyLinkedList::getIteratorMode(): int
public function SplDoublyLinkedList::isEmpty(): bool
public function SplDoublyLinkedList::key(): int
public function SplDoublyLinkedList::next(): void
public function SplDoublyLinkedList::offsetExists(int $index): bool
public function SplDoublyLinkedList::offsetGet(int $index): mixed
public function SplDoublyLinkedList::offsetSet(?int $index, mixed $value): void
public function SplDoublyLinkedList::offsetUnset(int $index): void
public function SplDoublyLinkedList::pop(): mixed
public function SplDoublyLinkedList::prev(): void
public function SplDoublyLinkedList::push(mixed $value): void
public function SplDoublyLinkedList::rewind(): void
public function SplDoublyLinkedList::serialize(): string
public function SplDoublyLinkedList::setIteratorMode(int $mode): int
public function SplDoublyLinkedList::shift(): mixed
public function SplDoublyLinkedList::top(): mixed
public function SplDoublyLinkedList::unserialize(string $data): void
public function SplDoublyLinkedList::unshift(mixed $value): void
public function SplDoublyLinkedList::valid(): bool
}

Exemples

Exemple #1 Exemple de SplStack

<?php
$q = new SplStack();
$q[] = 1;
$q[] = 2;
$q[] = 3;
foreach ($q as $elem) {
echo $elem."\n";
}
?>

L'exemple ci-dessus va afficher :

3
2
1