How can I select only the immediate parent node of

2019-09-10 09:06发布

站内问答 / PHP
1046 1 6

Note: this differs from the following question in that here we have values appearing within a node and within a childnode of that same node:

XPath contains(text(),'some string') doesn't work when used with node with more than one Text subnode

Given the following html:

$content = 
'<html>
 <body>
  <div>
   <p>During the interim there shall be nourishment supplied</p>
  </div>
  <div>
   <p>During the <a href="#">interim</a> there shall be interim nourishment supplied</p>
  </div>
  <div>
   <ul><li>During the interim there shall be nourishment supplied</li></ul>
  </div>
 </body>
</html>';

And the following xpath: 

//*[contains(text(),'interim')]

... only provides 3 matches, whereas I want four matches. As per comments, the four elements I'm expecting are P P A LI.

1条回答
女痞
2楼-- · 2019-09-10 09:12

This works exactly as expected. See this glot.io link.

<?php

$html = <<<HTML
<html>
 <body>
  <div>
   <p>During the interim there shall be nourishment supplied</p>
  </div>
  <div>
   <p>During the <a href="#">interim</a> there shall be interim nourishment supplied</p>
  </div>
  <div>
   <ul><li>During the interim there shall be nourishment supplied</li></ul>
  </div>
 </body>
</html>
HTML;

$dom = new DOMDocument();
$dom->loadHTML($html);
$xpath = new DOMXPath($dom);

foreach($xpath->query('//*/text()[contains(.,"interim")]') as $n) var_dump($n->getNodePath());

You will get four matches:

  • /html/body/div[1]/p/text()
  • /html/body/div[2]/p/a/text()
  • /html/body/div[2]/p/text()[2]
  • /html/body/div[3]/ul/li/text()
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