PHP Get element value by tag variable

Question

If I have the following html:

<div id="thisID">100</div>

I can get the value, 100, like this:

$dom = new DOMDocument();
$dom->loadHTMLFile($url);
$data = $dom->getElementById("thisID");
$result = $data->nodeValue;`

But what about this html?

<span class="foo" id="bar" itemprop="price">100</span>

Is there a way I can get an element content by a tag variable and value, in this case itemprop="price"?

Related: stackoverflow.com/questions/11064741/… stackoverflow.com/questions/11064741/… — scrowler
– scrowler, Commented Nov 17, 2014 at 20:41

Alf Eaton · Accepted Answer · 2014-11-18 12:40:58Z

0

a) Use DOMXPath:

<?php

$doc = new DOMDocument();
$doc->loadHTML('<span class="foo" id="bar" itemprop="price">100</span>');

$xpath = new DOMXPath($doc);
$result = $xpath->evaluate('number(//*[@itemprop="price"])');

b) Use a real microdata parser.

answered Nov 18, 2014 at 12:40

Alf Eaton

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