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How to Remove HTML Elements by ID Using DOMXPath in PHP?
- DDDOriginal
- 2024-10-26 07:38:02656browse
Stripping HTML Elements by ID with DOMXPath
Removing a portion of HTML, including a specific element and its inner contents, can be achieved using the DOMXPath interface in PHP. Let's consider a scenario where you have the following HTML:
<code class="html"><html> <body> bla bla bla bla <div id="myDiv"> more text <div id="anotherDiv"> And even more text </div> </div> bla bla bla </body> </html></code>
Your goal is to eliminate everything from
to its closing
. Here's how to accomplish this task using DOMXPath:
<?php
// Load the HTML document
$dom = new DOMDocument;
$dom->loadHTML($htmlString);
// Create a DOMXPath instance
$xPath = new DOMXPath($dom);
// Query for the target element
$nodes = $xPath->query('//*[@id="anotherDiv"]');
// If the element exists
if ($nodes->item(0)) {
// Remove the element and its children
$nodes->item(0)->parentNode->removeChild($nodes->item(0));
}
// Output the modified HTML
echo $dom->saveHTML();
This code will effectively remove the
and its contents from the HTML document, leaving you with the desired result.
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