Insert before php DOM

function move_element( $markup, $selector, $direction, $levels ) {
	// Load it
	$html = new DOMDocument();
	$html->loadHTML( $markup );
	$finder = new DomXPath($html);
	$firstItem = $finder->query("//*[contains(@class, 'hero-quiz__user-detail__label gfield_label')]")->item(0);
	$node = $finder->query("//*[contains(@class, '" . $selector . "')]")->item(0);
	$copy = $node->cloneNode(true);
	$ul = $finder->query("//input")->item(0);

	$ul->insertBefore($copy,  $firstItem);
	// Show it
	return $html->saveHTML();
}