使用 PHP 的 XML 到 JSON，无法包含 XML <string>

Question

首先，我是一个完全的php新手。我正在为一个动物收容所的网站工作(我是一名兽医/编码员)，我们正在从一个可供收养的动物的在线数据库中获取数据。该xml文件的输出如下所示(这只是xml文件的一小部分):

<TotalWeight>64.5 lbs </TotalWeight>
<UnitWeight>lbs</UnitWeight>
<AdditionalPhotoUrls>
<string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55806.jpg</string>
  <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55807.jpg</string>
  <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55809.jpg</string>
  <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55810.jpg</string>
  <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55876.jpg</string>
  <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55877.jpg</string>
  <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_71558.jpg</string>
  <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_71559.jpg</string>
</AdditionalPhotoUrls>
<AdoptionAmount>0.0000</AdoptionAmount>

php文件有以下代码转换成json:

 $item['totalweight'] = (string)$animal->TotalWeight;
$item['weight'] = (string)$animal->UnitWeight;
$item['photosX'] = (string)$animal->AdditionalPhotoUrls;

将json输出到一个文件，使用

echo file_put_contents('page.json', json_encode($data)); 

对于TotalWeight和UnitWeight是成功的，但是对于AdditionalPhotoUrls和它的字符串是不成功的。最后的输出是这样的(同样，只是其中的一小部分):

{
"weight": "lbs",
"totalweight": "65",
"photosX": "n      n      n      n      n      n      n      n      n    "
 },

我不清楚我应该如何格式化:(string)$animal->AdditionalPhotoUrls;不获取字符串，而以n

结束

得到所有的多个<string>。当前photosX的json文件为空。

任何帮助或指导将不胜感激。

Answer 1

这个XML不包含任何属性，所以我们可以很容易地输入:

<?php $xml = '<root> <TotalWeight>64.5 lbs </TotalWeight> <UnitWeight>lbs</UnitWeight> <AdditionalPhotoUrls> <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55806.jpg</string> <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55807.jpg</string> <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55809.jpg</string> <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55810.jpg</string> <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55876.jpg</string> <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_55877.jpg</string> <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_71558.jpg</string> <string>https://eastbayspcapets.shelterbuddy.com//photos/lostfound/doc_71559.jpg</string> </AdditionalPhotoUrls> <AdoptionAmount>0.0000</AdoptionAmount> </root>'; $json = json_encode(simplexml_load_string($xml)); echo $json;