*use Phalcon\Mvc\Model\Validator\Numericality as NumericalityValidator; * *class Products extends Phalcon\Mvc\Model *{ * * public function validation() * { * $this->validate(new NumericalityValidator(array( * 'field' => 'price' * ))); * if ($this->validationHasFailed() == true) { * return false; * } * } * *} * * */ class Numericality extends \Phalcon\Mvc\Model\Validator implements \Phalcon\Mvc\Model\ValidatorInterface { /** * Executes the validator * * @param \Phalcon\Mvc\ModelInterface $record * @return boolean */ public function validate($record){ } } }