/**
* @param CollectionInterface $from
* @param CollectionInterface $to
*
* @return Collection
*/
private function getDiffs(CollectionInterface $from, CollectionInterface $to)
{
$modified = [];
foreach ($from as $name => $element) {
if ($to->has($name) && $to->get($name) !== $element) {
$modified[$name] = new Diff($element, $to->get($name));
}
}
return new Collection($modified);
}
/**
* @param string $name
*
* @return CollectionInterface
*/
public function additional($name = null)
{
return isset($name) ? $this->newElements->get($name) : $this->newElements;
}
