3v4l.org

run code in 300+ PHP versions simultaneously
<?php $html = <<<HTML <p>Lorem</p> <p>Ipsum...</p> <li class='item'>...</li> <li class='item'>...</li> <li class='item'>...</li> <div>...</div> HTML; $doc = new DOMDocument(); $doc->loadHTML($html); $xpath = new DOMXpath($doc); $elements = $xpath->query('//li[@class="item"]'); $wrapper = $doc->createElement('ul'); $elements->item(0)->parentNode->insertBefore( $wrapper, $elements->item(0) ); foreach($elements as $child) { $wrapper->appendChild($child); } echo $doc->saveHTML();
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> <html><body><p>Lorem</p> <p>Ipsum...</p> <ul><li class="item">...</li><li class="item">...</li><li class="item">...</li></ul> <div>...</div></body></html>

preferences:
217.4 ms | 405 KiB | 336 Q