class BaseModel // All models extend this class
{
    // Returns an object with each property set to its own name as a string
    /* @return static */
    public static function getNameObject()
    {
        $obj = (object) get_class_vars(get_called_class()); // Note: Avoids calling constructor
        foreach (get_object_vars($object) as $key => $value) {
            $object->{$key} = $key;
        }
        return $obj;
    }
}

class User extends BaseModel
{
    public $id;
    public $name;
}

<?php $u = User::getNameObject(); ?>

var user     = getUserFromServer();
var userId   = user.<?=$u->id?>;
var userName = user.<?=$u->name?>;