This function will return TRUE whenever the iterator is within the array bounds, even if unset() has been called on the current element.
(PHP 5 >= 5.3.0, PHP 7)
SplFixedArray::valid — Проверяет массив на наличие элементов
Сигнатура функции не содержит параметров.
This function will return TRUE whenever the iterator is within the array bounds, even if unset() has been called on the current element.