code: public function setSettings($settings)
      {
          if (is_null($this->_settings)) {
              $this->_settings = self::$defaultSettings;
          }
          if (!is_array($settings)) {
              return true;
          }
          $this->_settings = array_merge($this->_settings, $settings);
  
          return true;
      }
docs: Set settings.
  
  @param [[@doctodo param_type:settings]] $settings [[@doctodo param_description:settings]]
  
  @return [[@doctodo return_type:setSettings]] [[@doctodo return_description:setSettings]]