public function dp3() { return array(array(range(0, 5)), array(array(Robot::findFirstById(1), Bug::findFirstById(1)))); }
public function dp3() { return array(array(null), array(array()), array(range(0, 5)), array(array(Robot::findFirstById(1), Bug::findFirstById(1))), array(Robot::find('id > 1000'))); }