- libxml_use_internal_errors: documentation ( source)
<?php
libxml_use_internal_errors(true);
$dom = new DOMDocument;
$dom->loadHTML('<div><h1>foo</h1><p>bar</p></div>');
$node = $dom->getElementsByTagName('div')->item(0);
echo $dom->saveHTML($node); // for php 5.3.6+
echo "-------------\n";
echo $node->C14N(); // php 5.2.0+