array(6) {
  ["host"]=>
  string(9) "localhost"
  ["port"]=>
  string(4) "3306"
  ["dbname"]=>
  string(9) "dsmetrics"
  ["charset"]=>
  string(7) "utf8mb4"
  ["user"]=>
  string(4) "root"
  ["pass"]=>
  string(0) ""
}
SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: NO)