<?php
    class sql {
        private $host = "localhost";
        private $username = "root";
        private $pass = "";
        private $db = "tn_skola";

        public function connect() {
            $conn = new mysqli($this->host, $this->username, $this->pass, $this->db);

            if ($conn->connect_error) {
                die("Connection failed: " . $conn->connect_error);
            }

            return $conn;
        }

        public function truncate($tablename) {
            $conn = $this->connect();

            $query = "TRUNCATE TABLE $tablename";

            $conn->query($query);
        }
    }



?>