/**
* Auto expand the tree
*
* @throws \Exception
*/
public function autoExpandTree()
{
$session = Session::getInstance()->getData();
if ($session['seo_serp_expand_tree'] !== 'tl_page' && !Input::get('serp_tests_expand')) {
return;
}
$nodes = Database::getInstance()->execute("SELECT DISTINCT pid FROM tl_page WHERE pid>0");
// Reset the array first
$session['tl_page_tree'] = [];
// Expand the tree
while ($nodes->next()) {
$session['tl_page_tree'][$nodes->pid] = 1;
}
// Avoid redirect loop
$session['seo_serp_expand_tree'] = null;
Session::getInstance()->setData($session);
Backend::redirect(str_replace('serp_tests_expand=1', '', Environment::get('request')));
}
