<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_u4se9kkrp1kqo9pgh4g1fpc8ec, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
static void deleteDirectory(File dir) {
  deleteDirectory(dir, false, false);
}

static void deleteDirectory(File dir, boolean verbose, boolean testRun) {
  assert(l(f2s(dir)) >= 10;
  File[] files = dir.listFiles();
  if (files == null) return;
  for (File f : files) {
    if (f.isDirectory())
      deleteDirectory(f, verbose, testRun);
    else {
      if (verbose)
        print((testRun ? "Would delete " : "Deleting ") + f.getAbsolutePath());
      if (!testRun)
        f.delete();
    }
  }
  if (verbose) print((testRun ? "Would delete " : "Deleting ") + dir.getAbsolutePath());
  if (!testRun)
    dir.delete();
}