4 MYSQL CONNECT<hr><pre>object(PDOException)#2 (8) {
  ["message":protected]=>
  string(41) "SQLSTATE[HY000] [2002] Connection refused"
  ["string":"Exception":private]=>
  string(0) ""
  ["code":protected]=>
  int(2002)
  ["file":protected]=>
  string(47) "/var/www/apiappfunc/public/dedstudio/teste4.php"
  ["line":protected]=>
  int(19)
  ["trace":"Exception":private]=>
  array(2) {
    [0]=>
    array(5) {
      ["file"]=>
      string(47) "/var/www/apiappfunc/public/dedstudio/teste4.php"
      ["line"]=>
      int(19)
      ["function"]=>
      string(11) "__construct"
      ["class"]=>
      string(3) "PDO"
      ["type"]=>
      string(2) "->"
    }
    [1]=>
    array(3) {
      ["file"]=>
      string(47) "/var/www/apiappfunc/public/dedstudio/teste4.php"
      ["line"]=>
      int(29)
      ["function"]=>
      string(10) "connecting"
    }
  }
  ["previous":"Exception":private]=>
  NULL
  ["errorInfo"]=>
  array(3) {
    [0]=>
    string(5) "HY000"
    [1]=>
    int(2002)
    [2]=>
    string(18) "Connection refused"
  }
}
</pre>