public static function getUserInfo()
{
$u = array();
$user = PhocacartUser::getUser();
$u['username'] = '';
$u['id'] = 0;
$u['ip'] = '';
if (isset($user->id)) {
$u['id'] = $user->id;
}
if (isset($user->username)) {
$u['username'] = $user->username;
}
$u['ip'] = PhocacartUtils::getIp();
return $u;
}