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<?php
namespace Xml\Impl\Instance;
class DomElementExt extends \DOMElement
{
private $userData = [];
/**
* @param mixed $key
* @param mixed $data
* @param mixed $handler
*/
public function setUserData($key, $data, $handler): void
$this->userData[$key] = $data;
}
*
* @return mixed
public function getUserData($key)
if (array_key_exists($key, $this->userData)) {
return $this->userData[$key];
return null;