Utility/Fields/Repeater.php
public function save()
    {
        $bResult = false;
        try {
            if (!empty($this->deleteItems)) {
                $items = explode(',', $this->deleteItems);
                RepeaterTranslation::destroy($items);
            }
            if (count($this->groupFields)) {
                foreach ($this->groupFields as $groupId => $group) {
                    $fields = $group['fields'];
                    $order = $this->defaultOrder[$groupId];

                    $translate_id = 0;
                    foreach ($fields as $field) {
                        if ($translate_id) {
                            $field->setTranslateId($translate_id);
                        }
                        $field->save();
                        $translate_id = $field->getTranslateId();
                    }
                     // update order
                     $translate = RepeaterTranslation::find($translate_id);
                    $translate->order = $order;
                    $translate->save();
                }
            }
            $bResult = true;
        } catch (\Exception $e) {
            //exception handling
        }

        return $bResult;
    }
public function save()
    {
        $bResult = false;
        try {
            if (!empty($this->deleteItems)) {
                $items = explode(',', $this->deleteItems);
                RepeaterTranslation::destroy($items);
            }
            if (count($this->groupFields)) {
                foreach ($this->groupFields as $groupId => $group) {
                    $fields = $group['fields'];
                    $order = $this->defaultOrder[$groupId];

                    $translate_id = 0;
                    foreach ($fields as $field) {
                        if ($translate_id) {
                            $field->setTranslateId($translate_id);
                        }
                        $field->save();
                        $translate_id = $field->getTranslateId();
                    }
                     // update order
                     $translate = RepeaterTranslation::find($translate_id);
                    $translate->order = $order;
                    $translate->save();
                }
            }
            $bResult = true;
        } catch (\Exception $e) {
            //exception handling
        }

        return $bResult;
    }
Save field data to database.

@return bool