请先阅读下面的粗体行，然后再评论这可能是重复的。这与 SimpleXML 无关。

首先让我展示 XML 应该如何布局。请忽略命名空间:

 <hot:SearchHotels>
     <hot:request>
        <hot1:Destination>?</hot1:Destination>
        <hot1:HotelCityName>?</hot1:HotelCityName>
        <hot1:HotelLocationName>?</hot1:HotelLocationName>
        <hot1:HotelName>?</hot1:HotelName>
        <hot1:CheckIn>?</hot1:CheckIn>
        <hot1:CheckOut>?</hot1:CheckOut>
        <hot1:RoomsInformation>
           <!--Zero or more repetitions:-->
           <hot1:RoomInfo>
              <hot1:AdultNum>?</hot1:AdultNum>
              <hot1:ChildNum>?</hot1:ChildNum>
              <!--Optional:-->
              <hot1:ChildAges>
                 <!--Zero or more repetitions:-->
                 <hot1:ChildAge age="?"/>
              </hot1:ChildAges>
           </hot1:RoomInfo>
        </hot1:RoomsInformation>
        <hot1:MaxPrice>?</hot1:MaxPrice>
        <hot1:StarLevel>?</hot1:StarLevel>
        <hot1:AvailableOnly>?</hot1:AvailableOnly>
        <hot1:PropertyType>?</hot1:PropertyType>
        <hot1:ExactDestination>?</hot1:ExactDestination>
     </hot:request>
  </hot:SearchHotels>

注意在hot1:RoomsInformation 下有RoomInfo。我应该能够发送多个 RoomInfo 节点。 但我正在使用 PHP 类将数组转换为该对象以通过 SOAP 提交。

这是转换为对象之前的数组:

$param = array(
            "Destination" => $destcode,
            "HotelCityName" => $city,
            "HotelLocationName" => "",
            "HotelName" => "",
            "CheckIn" => date("Y-m-d", strtotime($checkin)),
            "CheckOut" => date("Y-m-d", strtotime($checkout)),
            "RoomsInformation" => array (
                "RoomInfo" => array(
                        "AdultNum" => 2,
                        "ChildNum" => 1,
                        "ChildAges" => array(
                            "ChildAge" => array(
                                "age"=>11
                            )
                        )
                    ),
                "RoomInfo" => array(
                        "AdultNum" => 1,
                        "ChildNum" => 0,
                        "ChildAges" => array(
                            "ChildAge" => array(
                                "age"=>0
                            )
                        )
                    )
            ),
            "MaxPrice" => 0,
            "StarLevel" => 0,
            "AvailableOnly" => "false",
            "PropertyType" => "NotSet",
            "ExactDestination" => "false"
        );

$param = arrayToObject($param) ;
$obj = new stdClass(); 
$obj->request=$param;
$result = $test->SearchHotels($obj) ;

问题是转换为对象后，只有 1 个 RoomInfo，而且是最后一个。我的想法是因为 RoomsInformation 数组有 2 个相同的 KEY 名称。那么我怎样才能让它发挥作用呢？

供您引用，这是我使用的 SOAP 类和 arrayToObject 函数:

http://pastebin.com/SBUN0FAF

最佳答案

问题是，正如您所怀疑的那样，由于键重复，您的数组无效。解决该问题的一种方法是将每个“RoomInfo”包装在自己的数组中，如下所示:

$param = array(
    "Destination" => $destcode,
    "HotelCityName" => $city,
    "HotelLocationName" => "",
    "HotelName" => "",
    "CheckIn" => date("Y-m-d", strtotime($checkin)),
    "CheckOut" => date("Y-m-d", strtotime($checkout)),
    "RoomsInformation" => array (
        array(
            "RoomInfo" => array(
                "AdultNum" => 2,
                "ChildNum" => 1,
                "ChildAges" => array(
                    "ChildAge" => array(
                        "age"=>11
                    )
                )
            ),
        ),
        array(
            "RoomInfo" => array(
                "AdultNum" => 1,
                "ChildNum" => 0,
                "ChildAges" => array(
                    "ChildAge" => array(
                        "age"=>0
                    )
                )
            )
        )
    ),
    "MaxPrice" => 0,
    "StarLevel" => 0,
    "AvailableOnly" => "false",
    "PropertyType" => "NotSet",
    "ExactDestination" => "false"
);

您可以像这样生成 XML:

// create simpleXML object
$xml = new SimpleXMLElement("<?xml version=\"1.0\"?><SearchHotels></SearchHotels>");
$node = $xml->addChild('request');

// function call to convert array to xml
array_to_xml($param, $node);

// display XML to screen
echo $xml->asXML();
die();

// function to convert an array to XML using SimpleXML
function array_to_xml($array, &$xml) {
    foreach($array as $key => $value) {
        if(is_array($value)) {
            if(!is_numeric($key)){
                $subnode = $xml->addChild("$key");
                array_to_xml($value, $subnode);
            } else {
                array_to_xml($value, $xml);
            }
        } else {
            $xml->addChild("$key","$value");
        }
    }
}

我把array_to_xml函数归功于这里的奇葩作者:https://stackoverflow.com/a/5965940/2200766

关于php - 将多维数组转换为 XML，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/17428323/