Laravel set all nullable field in eloquent null

    /**
     * Set empty nullable fields to null
     * @param  object  $model
     */
    protected static function setNullables(object $model): void
    {
        foreach ($model->nullable as $field) {
            if (empty($model->{$field})) {
                $model->{$field} = null;
            }
        }
    }

    public function wasDeleted()
    {
        return !($this->deleted_at == null);
    }

        if ($user->trashed()) {
            $user->restore();
            $user->setAllFieldsNull();
        }