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run code in 300+ PHP versions simultaneously
<?php $document = new DomDocument(); $foo = $document->createElement('foo'); $document->appendChild($foo); $bar = $document->createElement('bar'); $document->appendChild($bar); var_dump($document->saveXML());
Output for 7.3.0 - 7.3.28, 7.4.0 - 7.4.16, 8.0.0 - 8.0.3
string(36) "<?xml version="1.0"?> <foo/> <bar/> "