/** * Save current form reference and sections list, and initialize the cache * * @param array $params Widget params OPTIONAL * * @return void */ public function __construct(array $params = array()) { if (!isset($params[static::PARAM_COMMENT]) || !$params[static::PARAM_COMMENT]) { $params[static::PARAM_COMMENT] = 'e.g. +4.05, -10%'; } parent::__construct($params); }