public function offsetGet($offset)
    {
        if (isset($this->{$name = strtolower($offset)})) {
            return $this->$name;
        }
        return null;
    }
public function offsetGet($offset)
    {
        if (isset($this->{$name = strtolower($offset)})) {
            return $this->$name;
        }
        return null;
    }
public function offsetGet ( $ offset ) { if ( isset ( $ this -> { $ name = strtolower ( $ offset ) } ) ) { return $ this -> $ name ; } return null ; }
Return an offset
@param string $offset
@return mixed
Return an offset