public function is_valid()
{
if (!$this->is_available() || AppContext::get_current_user()->check_level(User::MEMBER_LEVEL)) {
return true;
}
$answer = AppContext::get_request()->get_value($this->get_html_id(), '');
$question_id = AppContext::get_request()->get_int($this->get_html_id() . '_question_id', 0);
if (!empty($question_id)) {
$question = new QuestionCaptchaQuestion();
$question->set_properties(self::$questions[$question_id]);
return in_array(trim(strtolower($answer)), $question->get_formated_answers());
}
return false;
}
