extends abstract class Phalcon\Validation\Validator
implements Phalcon\Validation\ValidatorInterface
Source on GitHub
Check for numeric character(s)
use Phalcon\Validation\Validator\Digit as DigitValidator;
$validator->add('height', new DigitValidator([
'message' => ':field must be numeric'
]));
$validator->add(['height', 'width'], new DigitValidator([
'message' => [
'height' => 'height must be numeric',
'width' => 'width must be numeric'