IMP_Ftree_Prefs::offsetGet PHP Метод

    public function offsetGet($offset)
    {
        return isset($this->_data[strval($offset)]);
    }

 /**
  */
 public function offsetGet($offset)
 {
     switch ($this->_expanded) {
         case self::NO:
             return false;
         case self::YES:
             return true;
         case self::LAST:
             return parent::offsetGet($offset);
     }
 }