IteratorIterator::valid

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

    IteratorIterator::valid — Vérifie si l'élément actuel est valide

    Description

    public function IteratorIterator::valid(): bool

    Vérifie si l'élément actuel est valide.

    Liste de paramètres

    Cette fonction ne contient aucun paramètre.

    Valeurs de retour

    Retourne true si l'élément actuel est valide, sinon false

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    User Contributed Notes 1 note

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    mike at eastghost dot com
    8 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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