PHP CSV file iterator

csv-iterator.php

<?php

//https://www.linkedin.com/learning/advanced-php/create-an-iterator?u=2113185

class CsvIterator extends IteratorIterator
{
    public function __construct(string $path)
    {
        parent::__construct(new SplFileObject($path, 'r'));
        $file = $this->getInnerIterator();
        $file->setFlags(SplFileObject::READ_CSV);
        $file->setCsvControl(',', '"', "\\");
    }
}

class FilterRows extends FilterIterator
{
    public function accept(): bool
    {
        $current = $this->getInnerIterator()->current();
        if (count($current) == 1) {
            return false;
        }
        return true;
    }
}

$csvIterator = new CsvIterator('data.csv');
$csvIterator = new FilterRows($csvIterator);

foreach ($csvIterator as $index => $row) {
    var_dump($row);
}