public function remove()
{
$form = $this->param("form", null);
if ($form) {
$frm = "form" . $form["_id"];
$this->app->db->dropCollection("forms/{$frm}");
$this->app->db->remove("common/forms", ["_id" => $form["_id"]]);
}
return $form ? '{"success":true}' : '{"success":false}';
}