3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = new SimpleXMLElement('<xml/>', LIBXML_NOEMPTYTAG); $output = $xml->addChild('child1'); $output->addChild('child2', "value"); $output->noValue = ''; echo $xml->asXML();
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
<?xml version="1.0"?> <xml><child1><child2>value</child2><noValue></noValue></child1></xml>

preferences:
80.55 ms | 409 KiB | 5 Q