Vsch\TranslationManager\Manager::importTranslations PHP Method

    public function importTranslations($replace, $groups = null)
    {
        // this can come from the command line
        if (is_array($groups)) {
            foreach ($groups as &$group) {
                $group = self::fixGroup($group);
            }
        } else {
            $groups = self::fixGroup($groups);
        }
        // if we don't track usage information and replace == 2 we can truncate the translations for the groups or group
        if (!$this->config(self::LOG_KEY_USAGE_INFO_KEY) && $replace == 2) {
            $this->truncateTranslations($groups);
        }
        $this->imported = 0;
        $this->clearCache($groups);
        $this->clearUsageCache(false, $groups);
        // Laravel 5.1
        $pathTemplateResolver = new PathTemplateResolver($this->files, $this->app->basePath(), $this->config('language_dirs'), '5');
        // Laravel 4.2
        //$pathTemplateResolver = new PathTemplateResolver($this->files, base_path(), $this->config('language_dirs'), '4');
        $langFiles = $pathTemplateResolver->langFileList();
        if ($groups !== null) {
            // now we can filter to the list of given groups or
            $files = [];
            if (!is_array($groups)) {
                $groups = array($groups);
            }
            $groups = array_combine($groups, $groups);
            foreach ($langFiles as $file => $values) {
                if (array_key_exists($values['{db_group}'], $groups)) {
                    $files[$file] = $values;
                }
            }
            $langFiles = $files;
        }
        foreach ($langFiles as $langFile => $vars) {
            $locale = $vars['{locale}'];
            $db_group = $vars['{db_group}'];
            if (in_array($db_group, $this->config(self::EXCLUDE_GROUPS_KEY))) {
                continue;
            }
            $translations = array_dot(include $langFile);
            $this->importTranslationFile($locale, $db_group, $translations, $replace);
        }
        return $this->imported;
    }

 public function getImport()
 {
     $replace = \Request::get('replace', false);
     $group = \Request::get('group', '*');
     $counter = $this->manager->importTranslations($group === '*' ? $replace : ($this->manager->inDatabasePublishing() == 1 ? 0 : 1), $group === '*' ? null : [$group]);
     return \Response::json(array('status' => 'ok', 'counter' => $counter));
 }