CheckList::getChangedMembers

private function getChangedMembers($oldField, $newField)
{
	$oldMembers = [];
	$newMembers = [];

	foreach ($newField as $userId => $data)
	{
		$newMembers[$userId] = $data['TYPE'];
	}

	foreach ($oldField as $userId => $data)
	{
		$oldMembers[$userId] = $data['TYPE'];
	}

	return array_diff_assoc($newMembers, $oldMembers) || array_diff_assoc($oldMembers, $newMembers);
}