第2行第1列错误:文档末尾的其他内容 [英] Error on line 2 at column 1: Extra content at the end of the document

问题描述

当我使用以下代码并在本地解析xml时，它工作正常，但是在服务器上上传相同脚本时，它会显示错误.

When I use the below code and parse the xml locally it works fine but when upload the same script at the server it shows error.

注意:我从查询字符串中检索了$lng和$lat，并且在本地运行良好.

Note: I retrieved the $lng and $lat from the query string and it works fine locally.

$lng=$_GET['lng'];
$lat=$_GET['lat'];
$conn=new LoginSystem();
$conn->connect();
$dom = new DOMDocument("1.0");

$query="select catch_id,catch_details,image from mycatch where longitude='$lng' AND latitude='$lat'";
$result = mysql_query($query);

if (!$result) {
  die("Invalid query: " . mysql_error());
}

header("Content-type: text/xml");

// Iterate through the rows, adding XML nodes for each
while ($row = @mysql_fetch_assoc($result)){
  $node = $dom->createElement("mycatch");
  $node = $dom->appendChild($node);
foreach ($row as $fieldname => $fieldvalue) {
      $child = $dom->createElement($fieldname);
    $child = $node->appendChild($child);
    $value = $dom->createTextNode($fieldvalue);
    $value = $child->appendChild($value);
  }
}

$conn->disconnect();
$xml_string = $dom->saveXML();
echo $xml_string;

在服务器上，它将引发此错误.而且文档也为空.....

On the server it throws this error. And the document is also empty.....

此页面包含以下错误:
第2行第1列出现错误:文档末尾的额外内容 下面是直到第一个错误的页面呈现.

This page contains the following errors:
error on line 2 at column 1: Extra content at the end of the document Below is a rendering of the page up to the first error.

推荐答案

我认为您正在创建一个看起来像这样的文档:

I think you are creating a document that looks like this:

<mycatch>
    ....
</mycatch>
<mycatch>
    ....
</mycatch>

这不是有效的XML文档，因为它具有多个根元素.您必须具有一个顶级元素，如

This is not a valid XML document as it has more than one root element. You must have a single top-level element, as in

<mydocument>      
  <mycatch>
      ....
  </mycatch>
  <mycatch>
      ....
  </mycatch>
  ....
</mydocument>

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