/**
  *
  */
 public function save()
 {
     $fs = new Filesystem();
     $fs->dumpFile(Platform::sharedDir() . '/settings.local.php', $this->string);
     // Relink if missing.
     if (!$fs->exists(Platform::webDir() . '/sites/default/settings.local.php')) {
         $fs->symlink('../../../shared/settings.local.php', Platform::webDir() . '/sites/default/settings.local.php');
     }
 }