public function &offsetGet($key)
    {
        $ret = null;

        if (!$this->offsetExists($key)) {
            return $ret;
        }

        $ret =& $this->storage[$key];

        return $ret;
    }
public function &offsetGet($key)
    {
        $ret = null;

        if (!$this->offsetExists($key)) {
            return $ret;
        }

        $ret =& $this->storage[$key];

        return $ret;
    }
public function & offsetGet ( $ key ) { $ ret = null ; if ( ! $ this -> offsetExists ( $ key ) ) { return $ ret ; } $ ret = & $ this -> storage [ $ key ] ; return $ ret ; }
Returns the value at the specified key

@param  mixed $key

@return mixed
Returns the value at the specified key