include("dane.php");
                            $connection = mysqli_connect($dbHost, $dbUser, $dbPassword, $dbDatabase)
                            or die('Brak połączenia z serwerem MySQL.<br />Błąd: '.mysqli_error($connection));
                            mysqli_set_charset($connection, "utf-8");

                            $zapytanie = 'SELECT ID_Sali, Ilosc_Miejsc FROM sale_kinowe';
                            $rezultat = mysqli_query($connection, $zapytanie);

                            //echo '<select class="form-control mb-2" id="exampleFormControlSelect1" name="sala" id="sala">';
                            while($bufor = mysqli_fetch_assoc($rezultat))
                            {
                                echo "<option value=".$bufor[0].">".$bufor[1]."</option>";
                            }
                            //echo "</select>";
                            mysqli_close($connection);


Błąd:
	Warning: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, boolean given in C:\xampp\htdocs\RBDv2\pracownik.php on line 64