Themosis\Validation\ValidationBuilder::validate_num PHP Method

Validate a value with only numeric characters.

protected validate_num ( string $data, array $attributes = [] ) : string
$data	string	The data to validate.
$attributes	array
return	string

    protected function validate_num($data, array $attributes = [])
    {
        return ctype_digit($data) ? $data : '';
    }

ValidationBuilder