php simplexml_load_file xml 不出数组

Question

先变通一下吧
$s = file_get_contents('你的XML文件');
xml = simplexml_load_string(str_replace('diffgr:', '', $s));
print_r($xml);SimpleXMLElement Object
(
    [diffgram] => SimpleXMLElement Object
        (
            [NewDataSet] => SimpleXMLElement Object
                (
                    [ds] => SimpleXMLElement Object
                        (
                            [@attributes] => Array
                                (
                                    [id] => ds1
                                )                            [PositionName] => 生产组
                            [DepartmentName] => 总装A体
                            [BandName] => 04
                            [incompanydate] => 2000-01-06T00:00:00+08:00
                            [EmpSubGroupCode] => 20
                            [EmpSubGroupName] => 支持人员(直接生产)
                            [Sex] => 男
                            [Birthday] => 19800
                            [minzuname] => 汉族
                            [NationalityName] => 中国
                            [BirthProvienceName] => 山
                            [PartyShip] => 03
                            [PartyShipName] => 中国团员
                            [InHaierDate] => 2000-01-06T00:00:00+08:00
                            [FirstWorkingDay] => 2000-01-06T00:00:00+08:00
                            [HighestDegreeName] => 高
                            [MarriageStatus] => 1
                            [MarriageStatusName] => 已婚
                            [OrgCode] => 00022001
                            [OrgName] => 青岛空调线体经营体
                            [BUFUname] => 供应链平台
                            [DepartmentCode] => 00022004
                            [PositionCode] => 50037229
                            [EmpName] => 吉
                            [Idcardno] => 37
                            [MobileNo] => 1358
                            [hukoulocation] => 山东省
                            [FirstDegreeGraSchool] => 平专
                            [FirstDegreeGraMajor] => 电
                            [FirstDegree] => 高
                            [FirstDegreeEndDate] => 2000-01-0:00+08:00
                            [EmpSn] => 00000007
                            [EmpGroupCode] => A
                            [EmpGroupName] => 员工
                        )                )        ))