PHP and Xpath - Get node from inner text

Question

I have the following XML structure

<url>
  <loc>some-text</loc>
</url>

<url>
  <loc>some-other-text</loc>
</url>

My goal is to get loc node from it's inner text (i.e. some-text) or a part of it (i.e. other-text). Here's my best attempt:

$doc = new DOMDocument('1.0','UTF-8');
$doc->load($filename);
$xpath = new Domxpath($doc);
$locs = $xpath->query('/url/loc');

foreach($locs as $loc) {
    if(preg_match("/other-text/i", $loc->nodeValue)) return $loc->parentNode;
}

Is it possible to get specific loc node without iterating over all nodes, simply using xpath query?

user3942918 · Accepted Answer · 2015-01-09 19:33:45Z

3

Yes, you can use a query like //url/loc[contains(., "other-text")]

Example:

$xml = <<<'XML'
<root>
<url>
  <loc>some-text</loc>
</url>

<url>
  <loc>some-other-text</loc>
</url>
</root>
XML;

$dom = new DOMDocument();
$dom->loadXML($xml);
$xpath = new DOMXPath($dom);

foreach ($xpath->query('//url/loc[contains(., "other-text")]') as $node) {
    echo $dom->saveXML($node);
}

Output:

<loc>some-other-text</loc>

edited Jan 9, 2015 at 19:33

answered Jan 9, 2015 at 19:25

user3942918

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