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  1. <?php
  2. $html = '<first_section>
  3.      <second_section>
  4.           <third_section id="2">
  5.                <title>Mrs</title>
  6.           </third_section>
  7.      </second_section>
  8.  </first_section>';
  9.  
  10. $xml = simplexml_load_string($html);
  11. $section = $xml->xpath("//third_section[@id='2']")[0];
  12. $section["id"] = 3;
  13. echo $xml->asXML();
Success #stdin #stdout 0.02s 52432KB
comments (?)
stdin 
Standard input is empty
stdout 
<?xml version="1.0"?>
<first_section>
     <second_section>
          <third_section id="3">
               <title>Mrs</title>
          </third_section>
     </second_section>
 </first_section>
https://ideone.com/hM8Lil
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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