3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dom = new DOMDocument(); $rss = $dom->appendChild($dom->createElement('RSS')); $rss->setAttributeNS( 'http://www.w3.org/2000/xmlns/', 'xmlns', 'http://www.w3.org/2005/Atom' ); echo $dom->saveXml();
Output for git.master, git.master_jit, rfc.property-hooks
<?xml version="1.0"?> <RSS xmlns="http://www.w3.org/2005/Atom"/>

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
53.39 ms | 401 KiB | 8 Q