$data->xmlHASH(); break; case 'viewPort': $data->viewPort(); break; case 'addNewUser': $data->addNewUser(); break; case 'reloadUsers': $data->reloadUsers(); break; case 'administratorOrNot': $data->administratorOrNot(); break; case 'removeUser': $data->removeUser(); break; //reloadUsers } } //administratorOrNot //////////////////checkLoadNames class dataClass { public function removeUser() { $user = $_POST['user']; $updateQuery = "DELETE FROM `user` WHERE `username` = '{$user}'"; mysql_query($updateQuery); echo "User '{$user}' been successfully removed from database."; }