IteratorIterator::valid

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

    IteratorIterator::valid — Comprobar si el iterador es válido

    Descripción

    public IteratorIterator::valid(): bool

    Comprueba si el iterador es válido.

    Parámetros

    Esta función no tiene parámetros.

    Valores devueltos

    Devuelve true si el iterador es válido, false en caso contrario

    Ver también

    Improve This Page

    Learn How To Improve This Page • Submit a Pull Request • Report a Bug
    ＋add a note

    User Contributed Notes 1 note

    up
    3
    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()
    ＋add a note
    To Top