if (empty($_POST['user_password_old']) || empty($_POST['user_password']) || empty($_POST['user_password1'])) {
     account_error(HTTP_Status::BAD_REQUEST, "Please fill all the fields!");
 }
 try {
     $dbh = new MyDbCon();
     $dbh->select("User_Master");
     $dbh->select->where->equalTo("user_name", $_SESSION['user_name']);
     $dbh->prepare();
     $dbh->execute();
     $user = $dbh->fetchAll()[0];
     if ($user->match_password($_POST['user_password_old'])) {
         $newUser = $user->get_assoc_array();
         $newUser['user_password'] = $_POST['user_password'];
         $newUser['user_password1'] = $_POST['user_password1'];
         $nu = new User_Master();
         $suc = $nu->set_assoc_array($newUser);
         if (Master::isLegit($suc)) {
             $dbh->update($nu, array("user_name" => $_SESSION['user_name']));
             $dbh->prepare();
             $dbh->execute();
             $final = json_encode(array("done" => true, "final" => "Password Changed Successfully!"));
             header('Content-Length: ' . strlen($final));
             header('Content-Type: application/json');
             echo $final;
         } else {
             account_error(HTTP_Status::BAD_REQUEST, "Password do not match the given specification!!");
         }
     } else {
         account_error(HTTP_Status::BAD_REQUEST, "Old Password do not match");
     }
 } catch (\Exception $e) {