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  1. <?php
  2. //DEBUG START - Remove on production mode
  3. error_reporting(E_ALL);
  4. ini_set('display_errors', '1');
  5. //DEBUG END
  6. $html = <<< EOF
  7. <p>This is real content and has no dummy words.</p>
  8. <p>This has words like lorem and ipsum. It should be highlighted.</p>
  9. EOF;
  10.  
  11. $dom = new DOMDocument(); //create new DOMDocument
  12. $dom->loadHTML($html); // load the $html in the new DOMDocument
  13. $xpath = new DOMXPath($dom); // create a new DOMXPath
  14. // loop all <p> tags on the html
  15. foreach($xpath->query("//p") as $paragraph ){ //
  16.         //if paragraph text contains lorem ipsum
  17.         if(preg_match('/lorem|ipsum/im', $paragraph->textContent)){
  18.         //add attribute style="color:red"
  19.         $paragraph->setAttribute("style", "color:red");
  20.         }
  21. }
  22. //save the new html with the modifications above
  23. $html = preg_replace('/^<!DOCTYPE.+?>/', '', str_replace( array('<html>', '</html>', '<body>', '</body>'), array('', '', '', ''), $dom->saveHTML()));
  24. echo $html;
Success #stdin #stdout 0.03s 52480KB
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Standard input is empty
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<p>This is real content and has no dummy words.</p>
<p style="color:red">This has words like lorem and ipsum. It should be highlighted.</p>
https://ideone.com/YVnSpF
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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