3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dom = new DOMDocument; $dom->appendChild($dom->createElement('foo')); echo $dom->saveXml($dom, LIBXML_NOEMPTYTAG);
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.3.6
<?xml version="1.0" encoding="UTF-8"?> <foo></foo>
Output for 5.0.0 - 5.0.5
Notice: Use of undefined constant LIBXML_NOEMPTYTAG - assumed 'LIBXML_NOEMPTYTAG' in /in/NYD47 on line 4 Warning: DOMDocument::saveXML() expects at most 1 parameter, 2 given in /in/NYD47 on line 4
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: domdocument in /in/NYD47 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: domdocument in /in/NYD47 on line 2
preferences:
234.81 ms | 401 KiB | 369 Q