/**
* Return safe user data.
* @param user id not required
* @return user object or false
*/
public static function user($id=0)
{
if ($id)
return User::model()->active()->findbyPk($id);
else {
if(Y::isGuest()) {
return false;
} else {
if (!self::$_user)
self::$_user = User::model()->active()->findbyPk(Yii::app()->user->id);
return self::$_user;
}
}
}
