How Can I Extract Outer HTML from a DOMDocument in PHP?

Extracting Outer HTML from a DOMDocument

When attempting to manipulate HTML content using PHP's DOMDocument, a common challenge arises: extracting the outer HTML of a specific element. The reason the outerHTML property may not function as expected is that it's only supported in PHP versions 5.3.6 and above.

Solution

If you're using a PHP version prior to 5.3.6, you can leverage the saveXml() method as an alternative. While this approach produces XML-compliant markup, it should not pose an issue for elements like tags.

Code Example

$domDocument->saveXml($nodeToGetTheOuterHtmlFrom);

Additional Resources

For further insight into using saveXml() for this purpose, refer to the following resources:

• [DOM Goodie in PHP 5.3.6](http://blog.gordon-oheim.biz/2011-03-17-The-DOM-Goodie-in-PHP-5.3.6/)

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