protected $rules = array(
    'mobile_number' => 'phone:AUTO,mobile,:country_code'
);

if(!$this->some_validator->with($data)->passes()){

    // Get the validation errors and throw the exception
    $error_info = $this->some_validator->formatErrorMessages();
    throw new ExampleException(ExampleExceptionType::$VALIDATION_ERROR,$error_info);
}