int(1045)
array(3) {
  [0]=>
  string(5) "HY000"
  [1]=>
  int(1045)
  [2]=>
  string(66) "Access denied for user 'z201104'@'localhost' (using password: YES)"
}
string(89) "SQLSTATE[HY000] [1045] Access denied for user 'z201104'@'localhost' (using password: YES)"