3v4l.org

run code in 300+ PHP versions simultaneously
<?php $doc = new DOMDocument('1.0', 'utf-8'); $rss = $doc->appendChild($doc->createElement('rss')); $channel = $rss->appendChild($doc->createElement('channel')); $channel->setAttribute('xmlns:g', 'http://foo.com/foo/bar/baz'); $item = $channel->appendChild($doc->createElement('item')); $foo = $item->appendChild($doc->createElement('g:foo')); $foo->appendChild($doc->createTextNode('bar')); echo $doc->saveXML();
Output for 5.0.0 - 5.0.5, 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 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 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
<?xml version="1.0" encoding="utf-8"?> <rss><channel xmlns:g="http://foo.com/foo/bar/baz"><item><g:foo>bar</g:foo></item></channel></rss>
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: domdocument in /in/deoq3 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: domdocument in /in/deoq3 on line 3

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