/**
* Build quiz object by id
*
* @param $quiz_id = quiz_id that you want to select
* @return quiz object, false if not found
**/
public function get_quiz_by_id($quiz_id)
{
self::$quiz = $this->select_quiz_by_id($quiz_id);
if (self::$quiz !== false) {
self::$quiz = $this->set_quiz_object_values();
}
return self::$quiz;
}
