NerdsAndCompany\Schematic\Models\Data::getAttribute PHP Метод

    public function getAttribute($attribute, $flattenValue = false, $default = [])
    {
        $attribute = parent::getAttribute($attribute, $flattenValue);
        return !is_null($attribute) ? $attribute : $default;
    }

 /**
  * Import data model.
  *
  * @param Data $model
  * @param bool $force if set to true items not in the import will be deleted
  *
  * @return Result
  */
 private function importDataModel(Data $model, $force)
 {
     // Import schema
     $localesImportResult = Craft::app()->schematic_locales->import($model->getAttribute('locales', $force));
     $pluginImportResult = Craft::app()->schematic_plugins->import($model->getAttribute('plugins', $force));
     $assetSourcesImportResult = Craft::app()->schematic_assetSources->import($model->getAttribute('assetSources'), $force);
     $fieldImportResult = Craft::app()->schematic_fields->import($model->getAttribute('fields'), $force);
     $globalSetsImportResult = Craft::app()->schematic_globalSets->import($model->getAttribute('globalSets'), $force);
     $sectionImportResult = Craft::app()->schematic_sections->import($model->getAttribute('sections'), $force);
     $userGroupImportResult = Craft::app()->schematic_userGroups->import($model->getAttribute('userGroups'), $force);
     $userImportResult = Craft::app()->schematic_users->import($model->getAttribute('users'), true);
     // Element index settings are supported from Craft 2.5
     if (version_compare(CRAFT_VERSION, '2.5', '>=')) {
         $elementIndexSettingsImportResult = Craft::app()->schematic_elementIndexSettings->import($model->getAttribute('elementIndexSettings'), $force);
     }
     // Verify results
     $result = new Result();
     $result->consume($localesImportResult);
     $result->consume($pluginImportResult);
     $result->consume($assetSourcesImportResult);
     $result->consume($fieldImportResult);
     $result->consume($globalSetsImportResult);
     $result->consume($sectionImportResult);
     $result->consume($userGroupImportResult);
     $result->consume($userImportResult);
     // Element index settings are supported from Craft 2.5
     if (version_compare(CRAFT_VERSION, '2.5', '>=')) {
         $result->consume($elementIndexSettingsImportResult);
     }
     $services = Craft::app()->plugins->call('registerMigrationService');
     $this->doImport($result, $model->pluginData, $services, $force);
     return $result;
 }