我正在infusionsoftapi中添加一个orderitem..但我收到语法错误，但我无法找出答案。require_once($_SERVER['DOCUMENT_ROOT']."/infusionsoftAPI/src/isdk.php");$app=newiSDK;$_REQUEST['contactId']=4;if(!empty($_REQUEST['contactId'])){if($app->cfgCon("aaaa",'eeeeeeeeeeeeeeeeeeeeeeeeeeeeeee')){echo"InfusionsoftConnectionSuccessfulls"