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run code in 300+ PHP versions simultaneously
<?php $root = new DOMDocument(); $root->loadXML('<article id=""><h1></h1><p></p></article>'); $node = new DOMDocument(); $node->loadXML('<section><h1></h1><p></p></section>'); $node = $root->importNode($node->documentElement, true); $root->documentElement->appendChild($node); print $root->saveXML();
Output for git.master, git.master_jit, rfc.property-hooks
<?xml version="1.0"?> <article id=""><h1/><p/><section><h1/><p/></section></article>

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