(PHP 5 >= 5.1.0, PHP 7)
InfiniteIterator::next — Moves the inner Iterator forward or rewinds it
public InfiniteIterator::next ( ) : void
Moves the inner Iterator forward to its next element if there is one, otherwise rewinds the inner Iterator back to the beginning.
Note:
Even an InfiniteIterator stops if its inner Iterator is empty.
This function has no parameters.
No value is returned.
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https://www.php.net/manual/en/infiniteiterator.next.php