public static function remove_vote($adv_id)
 {
     DAL::removeVote(Cleaning::cleanInt($adv_id), $_SESSION['id']);
     unset($_SESSION['votes'][array_search($adv_id, $_SESSION['votes'])]);
     //var_dump($_SESSION['votes']);
 }
 public static function add_photo($adv_id, $user_id, $path)
 {
     DAL::addPhoto($adv_id, Cleaning::cleanInt($user_id), Cleaning::cleanString($path));
 }