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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_18oerqb9uh2p9eg1hlo9ntqt94, 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 S md5(String text) ctex {
  if (text == null) ret "-";
  return bytesToHex(md5_impl(toUtf8(text))); // maybe different than the way PHP does it...
}

static S md5(byte[] data) {
  if (data == null) ret "-";
  ret bytesToHex(md5_impl(data));
}

static byte[] md5_impl(byte[] data) ctex {
  return MessageDigest.getInstance("MD5").digest(data);
}

static S md5(File file) {
  ret md5OfFile(file);
}