如何使用 DOMDocument 和 xquery 编辑 xml 文件

发布于 2024-10-01 03:39:22 字数 817 浏览 7 评论 0原文

我有一个 xml 文件

<events date="06-11-2010">
    <event id="8">
      <title>Proin porttitor sollicitudin augue</title>
      <description><![CDATA[Lorem  nunc.]]></description>
    </event>
  </events>
  <events date="16-11-2010">
    <event id="4">
      <title>uis aliquam dapibus</title>
      <description><![CDATA[consequat vel, pulvinar.</createCDATASection></description>
    </event>
  <event id="1"><title>You can use HTML and CSS</title>
  <description><![CDATA[Lorem ipsum dolor sit amet]]></description></event></events>

如何使用 DOMDocument 和 xquery 编辑关于 id 的 xml 文件以保留 CDATA 提前感谢

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原文

I have a xml file

<events date="06-11-2010">
    <event id="8">
      <title>Proin porttitor sollicitudin augue</title>
      <description><![CDATA[Lorem  nunc.]]></description>
    </event>
  </events>
  <events date="16-11-2010">
    <event id="4">
      <title>uis aliquam dapibus</title>
      <description><![CDATA[consequat vel, pulvinar.</createCDATASection></description>
    </event>
  <event id="1"><title>You can use HTML and CSS</title>
  <description><![CDATA[Lorem ipsum dolor sit amet]]></description></event></events>

How i can edit the xml file with respect to id using DOMDocument and xquery for preserving CDATA Thanks in advance

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最冷一天 2024-10-08 03:39:22

首先，您的文档具有无效的 XML 语法（标记）。 FTFY：

<events date="06-11-2010">
  <event id="8">
    <title>Proin porttitor sollicitudin augue</title>
    <description><![CDATA[Lorem  nunc.]]></description>
  </event>
</events>
<events date="16-11-2010">
  <event id="4">
    <title>uis aliquam dapibus</title>
    <description><![CDATA[consequat vel, pulvinar.]]></description>
  </event>
  <event id="1">
    <title>You can use HTML and CSS</title>
    <description><![CDATA[Lorem ipsum dolor sit amet]]></description>
 </event>
</events>

现在，这是编辑活动标题/描述的解决方案：

$dom = new DOMDocument;
$dom->loadXML(file_get_contents('doc.xml'));

$xpath = new DOMXPath($dom);
$nodes = $xpath->query('//event[@id="4"]/title | //event[@id="4"]/description');

// title
$node = $nodes->item(0);
$node->nodeValue = 'hello world';

// description
$node = $nodes->item(1);
$cdata = $node->firstChild;
$cdata->replaceData(0, strlen($cdata->data), 'hello world description');

print $dom->saveXML();

First of all, your document has invalid XML syntax (the </createCDATASection> tag). FTFY:

<events date="06-11-2010">
  <event id="8">
    <title>Proin porttitor sollicitudin augue</title>
    <description><![CDATA[Lorem  nunc.]]></description>
  </event>
</events>
<events date="16-11-2010">
  <event id="4">
    <title>uis aliquam dapibus</title>
    <description><![CDATA[consequat vel, pulvinar.]]></description>
  </event>
  <event id="1">
    <title>You can use HTML and CSS</title>
    <description><![CDATA[Lorem ipsum dolor sit amet]]></description>
 </event>
</events>

Now, here's a solution to edit title/description for your event:

$dom = new DOMDocument;
$dom->loadXML(file_get_contents('doc.xml'));

$xpath = new DOMXPath($dom);
$nodes = $xpath->query('//event[@id="4"]/title | //event[@id="4"]/description');

// title
$node = $nodes->item(0);
$node->nodeValue = 'hello world';

// description
$node = $nodes->item(1);
$cdata = $node->firstChild;
$cdata->replaceData(0, strlen($cdata->data), 'hello world description');

print $dom->saveXML();

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