PHP: Best way to iterate two parallel arrays?

Question

As seen in this other answer, there are several ways to iterate two same-sized arrays simultaneously; however, all of the methods have a rather significant pitfall. Here ar

Answer 1

You can use a MultipleIterator:

$iterator = new MultipleIterator;
$iterator->attachIterator(new ArrayIterator($array1));
$iterator->attachIterator(new ArrayIterator($array2));

foreach ($iterator as $values) {
    var_dump($values[0], $values[1]);
}

You can find more examples concerning the various options in the docs.