atk4\data\Reference::__debugInfo PHP Метод

    public function __debugInfo()
    {
        $arr = [];
        foreach ($this->__debug_fields as $k => $v) {
            $k = is_numeric($k) ? $v : $k;
            if (isset($this->{$v})) {
                $arr[$k] = $this->{$v};
            }
        }
        return $arr;
    }