[英]Replacing innertext of XML node using PHP DOMDocument
我想替換XML節點的內部文本,名為test.xml
XML文件是
<?xml version="1.0" encoding="utf-8"?>
<ads>
<loop>no</loop>
<item>
<description>Description 1</description>
</item>
<item>
<description>Text in item2</description>
</item>
<item>
<description>Let play with this XML</description>
</item>
</ads>
我想同時更改loop
和description
標簽的值,並且應將其保存在test.xml
如下所示:
<?xml version="1.0" encoding="utf-8"?>
<ads>
<loop>yes</loop>
<item>
<description>Description Changing Here</description>
</item>
<item>
<description>Changing text in item2</description>
</item>
<item>
<description>We will play later</description>
</item>
</ads>
我在PHP中嘗試了代碼:
<?
$file = "test.xml";
$fp = fopen($file, "rb") or die("cannot open file");
$str = fread($fp, filesize($file));
$dom=new DOMDocument();
$dom->formatOutput = true;
$dom->preserveWhiteSpace = false;
$dom->loadXML($str) or die("Error");
//$dom->load("items.xml");
$root=$dom->documentElement; // This can differ (I am not sure, it can be only documentElement or documentElement->firstChild or only firstChild)
$loop=$root->getElementsByTagName('loop')->item(0);//->textContent;
//echo $loop;
if(trim($loop->textContent)=='no')
{
echo 'ok';
$root->getElementsByTagName('loop')->item(0)->nodeValue ='yes';
}
echo "<xmp>NEW:\n". $dom->saveXML() ."</xmp>";
?>
我只嘗試了loop
description tag
。我不知道如何替換description tag
nodevalue
。 當我運行此頁面時,它顯示如下輸出:
ok
NEW:
<?xml version="1.0" encoding="utf-8"?>
<ads>
<loop>yes</loop>
<item>
<description>Description 1</description>
</item>
<item>
<description>Changing text in item2</description>
</item>
<item>
<description>Let play with this XML</description>
</item>
</ads>
它在瀏覽器中給出值yes
,但是由於任何原因不將其保存在test.xml
?
因此,由於創建了DOMDocument
,因此可以使用DOMXpath 。 或繼續使用getElementsByTagName()
您可以這樣做(但僅在這種情況下):
$descriptions = $root->getElementsByTagName('description');
foreach($descriptions as $nodeDesciption)
{
$nodeDesciption->nodeValue ='Your custom value';
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.