object(PDOException)#3 (8) {
  ["message":protected]=>
  string(41) "SQLSTATE[HY000] [2002] Connection refused"
  ["string":"Exception":private]=>
  string(0) ""
  ["code":protected]=>
  int(2002)
  ["file":protected]=>
  string(26) "/var/www/66ltb/Lotobao.php"
  ["line":protected]=>
  int(55)
  ["trace":"Exception":private]=>
  array(4) {
    [0]=>
    array(5) {
      ["file"]=>
      string(26) "/var/www/66ltb/Lotobao.php"
      ["line"]=>
      int(55)
      ["function"]=>
      string(11) "__construct"
      ["class"]=>
      string(3) "PDO"
      ["type"]=>
      string(2) "->"
    }
    [1]=>
    array(5) {
      ["file"]=>
      string(24) "/var/www/66ltb/utils.php"
      ["line"]=>
      int(12)
      ["function"]=>
      string(11) "__construct"
      ["class"]=>
      string(7) "LotoBao"
      ["type"]=>
      string(2) "->"
    }
    [2]=>
    array(3) {
      ["file"]=>
      string(36) "/var/www/66ltb/web/template/init.php"
      ["line"]=>
      int(60)
      ["function"]=>
      string(6) "getApi"
    }
    [3]=>
    array(4) {
      ["file"]=>
      string(34) "/var/www/66ltb/web/public/data.php"
      ["line"]=>
      int(5)
      ["args"]=>
      array(1) {
        [0]=>
        string(36) "/var/www/66ltb/web/template/init.php"
      }
      ["function"]=>
      string(12) "require_once"
    }
  }
  ["previous":"Exception":private]=>
  NULL
  ["errorInfo"]=>
  array(3) {
    [0]=>
    string(5) "HY000"
    [1]=>
    int(2002)
    [2]=>
    string(18) "Connection refused"
  }
}
(LTB) Seems something goes wrong with the connection