Быдлокод (+/-)
$referer = isset($_SERVER['HTTP_REFERER']) ? htmlspecialchars($_SERVER['HTTP_REFERER']) : core::$system_set['homeurl'];
header('Location: '.$referer);$referer = isset($_SERVER['HTTP_REFERER']) ? htmlspecialchars($_SERVER['HTTP_REFERER']) : core::$system_set['homeurl'];
header('Location: '.$referer);