PHP DOMDocument, finding specific elements

Question

I'm looking to find a specific attribute of a specific element in an HTML document using PHP DOMDocument.

Specifically, there is a div with a unique class set, and only a single span inside of it. I need to retrieve the style attribute of that span element.

Example:

<div class="uniqueClass"><span style="text-align: center;" /></div>

For this example, with the uniqueClass being the only instance of that class in the document, I would need to retrieve the string:

text-align: center;

See question stackoverflow.com/questions/2571232/…

lokeshsk
– lokeshsk

2014-03-12 08:22:01 +00:00
Commented Mar 12, 2014 at 8:22 — lokeshsk
– lokeshsk, Commented Mar 12, 2014 at 8:22

Ololo · Accepted Answer · 2010-02-21 11:12:33Z

4

You have to use DOMXPAth class

$doc = new DOMDocument; 
// We don't want to bother with white spaces
$doc->preserveWhiteSpace = false;

$doc->loadHTML($htmlSource);

$xpath = new DOMXPath($doc);

// We starts from the root element
$query = '//div[@class= uniqueClass]/span';

$entries = $xpath->query($query);

$spanStyle = $entries->current()->getAttribute('style')

answered Feb 21, 2010 at 11:12

Ololo

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2 Comments

Steve Over a year ago

Damn my slow typing, that's pretty much exactly the same solution I was going to suggest :)

Slyder Over a year ago

Aha, "xpath". I shall do the requisite research on that. Thanks!

Scharrels · Accepted Answer · 2010-02-21 11:17:31Z

1

$xpath = new DomXPath($doc);
$result = $xpath->evaluate('//div[@class=uniqueClass]/span/@style');

answered Feb 21, 2010 at 11:17

Scharrels

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