Get body tag using PHP Dom Document

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<?php
 
// HTML to Dom Document.
$doc = new DOMDocument();
$doc->strictErrorChecking = false;
$doc->loadHTML('<?xml encoding="UTF-8" ?>' . $content);
 
// Get body tag.
$body = $doc->getElementsByTagName('body');
if ($body and $body->length > 0) {
  $body = $body->item(0);
 
  // Do stuff with the body tag...
 
  // Get altered HTML and clean up.
  $html = $doc->saveHTML();
  $html = str_replace('<?xml encoding="UTF-8" ?>', '', $html);
 
  // Return modified HTML.
  echo $html;
}
Programming Language: PHP