public function _on_updating()
{
if (midcom::get('auth')->user) {
// Place current user in the page authors list
$authors = explode('|', substr($this->metadata->authors, 1, -1));
if (!in_array(midcom::get('auth')->user->guid, $authors)) {
$authors[] = midcom::get('auth')->user->guid;
$this->metadata->authors = '|' . implode('|', $authors) . '|';
}
}
return parent::_on_updating();
}
