function check_favorite() { $isin = isset($_REQUEST['isin']) ? $_REQUEST['isin'] : $_REQUEST['id']; if ($isin) { $conn = $this->get_connection(); $favorite_factory = new Favorite(); $favorites = $favorite_factory->find_all(array('where_clause' => "`utente` = '{$conn->escape($_COOKIE['username'])}' " . "AND `isin` = '{$conn->escape($isin)}'")); $this->is_favorite = count($favorites) > 0; $this->favorite = $favorites[0]; } }