skeeks\cms\models\behaviors\Serialize::serializeFields PHP Method

    public function serializeFields($event)
    {
        foreach ($this->fields as $fielName) {
            if ($this->owner->{$fielName}) {
                if (is_array($this->owner->{$fielName})) {
                    $this->owner->{$fielName} = serialize($this->owner->{$fielName});
                }
            } else {
                $this->owner->{$fielName} = "";
            }
        }
    }