How to Remove a Specific Div Tag and its Inner HTML Using DOM Manipulation in PHP?-PHP Tutorial-php.cn

How to Remove a Specific Div Tag and its Inner HTML Using DOM Manipulation in PHP?

Patricia Arquette

Release： 2024-10-28 05:51:02

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How to Remove a Specific Div Tag and its Inner HTML Using DOM Manipulation in PHP?

Stripping Tags with Specific ID and Their Inner HTML

To extract a specific tag and all its inner elements, we can leverage the power of DOM manipulation. In this instance, our objective is to remove everything within

using its unique ID.

Native DOM Approach

The following PHP code snippet utilizes the native DOM extension to accomplish this task:

<code class="php">$dom = new DOMDocument;
$dom->loadHTML($htmlString);
$xPath = new DOMXPath($dom);
$nodes = $xPath->query('//*[@id="anotherDiv"]');
if($nodes->item(0)) {
    $nodes->item(0)->parentNode->removeChild($nodes->item(0));
}
echo $dom->saveHTML();</code>

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In this code:

We first load the HTML string into a DOMDocument object using loadHTML().
We then create a DOMXPath object to perform XPath queries on the DOM.
We use query() to find the node with the id attribute value of "anotherDiv."
If the node is found, we remove it from its parent node using removeChild().
Finally, we save the modified HTML back to a string using saveHTML().

This method effectively removes the

tag and all its contents from the HTML document.

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