IteratorIterator::valid

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

IteratorIterator::validVérifie si un itérateur est valide

Description

public IteratorIterator::valid(): bool

Vérifie si un itérateur est valide.

Liste de paramètres

Cette fonction ne contient aucun paramètre.

Valeurs de retour

Retourne true si l'itérateur est valide, et false sinon.

Voir aussi

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User Contributed Notes 1 note

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mike at eastghost dot com
6 years ago
An Iterator is "valid" when it has additional elements, beyond its element index.

Said another way: After an Iterator is next()'d to its final element, the Iterator is no longer "valid".

Said another way: A "hasNext" check would simply return ::valid()
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