public function setMaxTokenLength($value)
{
$length = TPropertyValue::ensureInteger($value);
if ($length >= self::MIN_TOKEN_LENGTH && $length <= self::MAX_TOKEN_LENGTH) {
$this->setViewState('MaxTokenLength', $length, 6);
} else {
throw new TConfigurationException('captcha_maxtokenlength_invalid', self::MIN_TOKEN_LENGTH, self::MAX_TOKEN_LENGTH);
}
}