atk4\data\Model::saveAndUnload PHP Method

    public function saveAndUnload($data = [])
    {
        $ras = $this->reload_after_save;
        $this->reload_after_save = false;
        $this->save($data);
        $this->unload();
        // restore original value
        $this->reload_after_save = $ras;
        return $this;
    }