BaseCollection::isChanged

public function isChanged(): bool
{
	if ($this->parentChanged)
	{
		return true;
	}

	if (!empty($this->removedItems))
	{
		return true;
	}

	foreach ($this->items as $entity)
	{
		if ($entity->isChanged())
		{
			return true;
		}
	}

	return false;
}