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  1. <?php
  2. $html = "<html><body>\n<!-- This is a comment for search //-->\n<span class=\"search\">New search performed</span></body></html>";
  3. $key = "search";
  4. $dom   = new DOMDocument();
  5. $dom->loadHTML($html);
  6. $xpath = new DOMXPath($dom);
  7. $tt = $xpath->query('//text()');
  8.  
  9. foreach ($xpath->query('//text()') as $textNode) {
  10. 	$fragment = $dom->createDocumentFragment();
  11.     $text = $textNode->nodeValue;
  12.  
  13.     while (($pos = stripos($text, $key)) !== false) {
  14.       $fragment->appendChild(new DOMText(substr($text, 0, $pos)));
  15.       $word = substr($text, $pos, strlen($key));
  16.  
  17.       $lnk = $dom->createElement('a');
  18.       $lnk->appendChild(new DOMText($word));
  19.       $lnk->setAttribute('href', '#');
  20.       $fragment->appendChild($lnk);
  21.  
  22.       $text = substr($text, $pos + strlen($key));
  23.     }
  24.     if (!empty($text))
  25.       $fragment->appendChild(new DOMText($text));
  26.     $textNode->parentNode->replaceChild($fragment, $textNode);
  27. }
  28. echo $dom->saveHTML();
  29.  
Success #stdin #stdout 0.01s 24448KB
comments (?)
stdin 
Standard input is empty
stdout 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://w...content-available-to-author-only...3.org/TR/REC-html40/loose.dtd">
<html><body>
<!-- This is a comment for search //-->
<span class="search">New <a href="#">search</a> performed</span></body></html>
https://ideone.com/3dMxQH
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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