Ouzo\Utilities\Iterator\UnbatchingIterator::next PHP Метод

    public function next()
    {
        $this->initializeChunkIterator();
        $this->position++;
        $this->chunkIterator->next();
        if (!$this->chunkIterator->valid()) {
            $this->iterator->next();
            if ($this->iterator->valid()) {
                $current = $this->iterator->current();
                $this->chunkIterator = new ArrayIterator($current);
            }
        }
    }