/** * @return question_finder a question finder. */ public static function get_finder() { return question_finder::get_instance(); if (is_null(self::$questionfinder)) { self::$questionfinder = new question_finder(); } return self::$questionfinder; }
/** * @return question_finder a question finder. */ public static function get_finder() { if (is_null(self::$questionfinder)) { self::$questionfinder = new question_finder(); } return self::$questionfinder; }