/**
* Presents as xml
* @param string|null $node default null
* @return \SimpleXMLElement
*/
public function asXml($node = null)
{
$object = System::getObject($this);
$properties = $object->getProperties();
$xml = '';
foreach ($properties as $property) {
$value = $property->getValue($this);
if (is_object($value)) {
$stdObject = new self($value);
$value = $stdObject->asXml();
}
$xml .= '<' . $property->getName() . '>' . $value . '</' . $property->getName() . '>';
}
!is_null($node) ?: ($node = $object->getShortName());
return new \SimpleXMLElement('<' . $node . '>' . $xml . '</' . $node . '>');
}
/**
* Adds callback
* @param callable $callback
* @throws \Copycat\System\Exception
*/
public function add($callback)
{
System::checkCallable($callback);
$this->_list->append($callback);
}
/**
* Generates
* @param mixed $value
* @return string
*/
private function generateHash($value)
{
return System::getObjectHash($value);
}