public static function __static()
{
self::$questions = QuestionCaptchaConfig::load()->get_questions();
}
private function save()
{
$this->config->set_questions($this->form->get_value('questions'));
QuestionCaptchaConfig::save();
}
public function __construct()
{
$this->case_sensitive = QuestionCaptchaConfig::load()->is_case_sensitive();
}