array(6) {
  ["phptype"]=>
  string(5) "mysql"
  ["hostspec"]=>
  string(61) "rr187jgh81pep1x.ctup7q3rvxbh.ap-southeast-2.rds.amazonaws.com"
  ["database"]=>
  string(12) "rtwknowledge"
  ["username"]=>
  string(12) "rtwknowledge"
  ["password"]=>
  string(16) "Ln6AdhzVodr2DfHJ"
  ["protocol"]=>
  string(3) "tcp"
}
Cannot connect to the database '': DB Error: connect failed