PHP 5.4中引用的的几个小问题

function &GetSellerList($request) {  $request->setVersion(EBAY_WSDL_VERSION);  return ($res = & $this->call('GetSellerList', $request););}

function &GetSellerList($request) {  $request->setVersion(EBAY_WSDL_VERSION);  $res = & $this->call('GetSellerList', $request);  return ($res);}

$this->_parser = &new EbatNs_ResponseParser( &$this, $tns, $this->_parserOptions );

$this->_parser = &new EbatNs_ResponseParser( $this, $tns, $this->_parserOptions );