3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dom = new \DOMDocument(); $dom->loadXML('<root><node/></root>'); $node = $dom->getElementsByTagName('node')->item(0); echo $dom->saveXML($node, LIBXML_NOEMPTYTAG);
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
<node></node>
preferences:
143.84 ms | 408 KiB | 5 Q