Connection failed: SQLSTATE[HY000] [2002] Connection refusedobject(PDOException)#2 (8) {
  ["message":protected]=>
  string(41) "SQLSTATE[HY000] [2002] Connection refused"
  ["string":"Exception":private]=>
  string(0) ""
  ["code":protected]=>
  int(2002)
  ["file":protected]=>
  string(50) "/home/digitronix/public_html/kzan-finder/index.php"
  ["line":protected]=>
  int(25)
  ["trace":"Exception":private]=>
  array(1) {
    [0]=>
    array(6) {
      ["file"]=>
      string(50) "/home/digitronix/public_html/kzan-finder/index.php"
      ["line"]=>
      int(25)
      ["function"]=>
      string(11) "__construct"
      ["class"]=>
      string(3) "PDO"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(3) {
        [0]=>
        string(110) "mysql:dbname=kzan-db;host=ls-69c7764da6411b4a0423a2349747159f9ad9cfc7.csopmidzafxw.eu-west-2.rds.amazonaws.com"
        [1]=>
        string(12) "dbmasteruser"
        [2]=>
        string(10) "Ca5hew2dj!"
      }
    }
  }
  ["previous":"Exception":private]=>
  NULL
  ["errorInfo"]=>
  NULL
}

    <form method="POST">
        <input type="text" name="link" value="" placeholder="Please enter KZAN image url here" />
        <button type="submit">Submit</button>
    </form>