Get interface translation files present in the translations directory.

Parameters

array $projects: (optional) Project names from which to get the translation files and history. Defaults to all projects.

array $langcodes: (optional) Language codes from which to get the translation files and history. Defaults to all languages.

Return value

array An array of interface translation files keyed by their URI.

File

core/modules/locale/src/File/LocaleFileManager.php, line 53

Class

LocaleFileManager

Provide Locale File helper methods.

Namespace

Drupal\locale\File

Code

public function getInterfaceTranslationFiles(array $projects = [], array $langcodes = []) : array {
  \Drupal::moduleHandler()->loadInclude('locale', 'inc', 'locale.compare');
  $files = [];
  $projects = $projects ?: array_keys($this->localeProjectStorage
    ->getProjects());
  $langcodes = $langcodes ?: array_keys(locale_translatable_language_list());
  // Scan the translations directory for files matching a name pattern
  // containing a project name and language code: {project}.{langcode}.po or
  // {project}-{version}.{langcode}.po.
  // Only files of known projects and languages will be returned.
  $directory = TranslationsStream::basePath();
  $result = [];
  if (is_dir($directory)) {
    $result = $this->fileSystem
      ->scanDirectory($directory, '![a-z_]+(\\-[0-9a-z\\.\\-\\+]+|)\\.[^\\./]+\\.po$!', [
      'recurse' => FALSE,
    ]);
  }
  foreach ($result as $file) {
    // Recreate file object, detect the project name and version from the file
    // name.
    $file = LocaleFile::createFromPath($file->filename, $file->uri);
    if (in_array($file->project, $projects) && in_array($file->langcode, $langcodes)) {
      $files[$file->uri] = $file;
    }
  }
  return $files;
}

---