/** * gets current js-translation.json timestamp * * @return string|void */ public function getTranslationFileTimestamp() { $translationFilePath = $this->getTranslationFileFullPath(); if ($this->driverFile->isExists($translationFilePath)) { $statArray = $this->driverFile->stat($translationFilePath); if (array_key_exists('mtime', $statArray)) { return $statArray['mtime']; } } }