Untitled

<!DOCTYPE>
<html>
    <head>

    </head>
    <body>
        <form action="pizza.php" method="post">
                Rozmiar Pizzy:<br>
                <input type="radio" name="sr" value=1 checked>20 cm(10 zl)<br>
                <input type="radio" name="sr" value=2>30 cm(15 zl)<br>
                Ciasto:<br>
                <select name="do" >
                    <option value=1 selected>Cienkie(7 zl)</option>
                    <option value=2>Srednie(9 zl)</option>
                    <option value=3>Grube(12 zl)</option>
                </select>
                <br>
                Skladniki:(3zl za skladnik)<br>
                <input type="checkbox" name="s1">Cebula<br>
                <input type="checkbox" name="s2">Papryka<br>
                <input type="checkbox" name="s3">Ananas<br>
                <input type="checkbox" name="s4">Szynka<br>
                <input type="checkbox" name="s5">Boczek<br>
                <input type="checkbox" name="s6">Kurczak<br>
            <input type="submit" value="przycisk">
        </form>
            <?php
                if(isset($_POST["sr"])){
                    require_once "dbconnect.php";
                    $conn = mysqli_connect($host, $user, $pass, $db) or die("Błąd połączenia!");
                    mysqli_set_charset($conn, "utf8");
                    $rozmiar = $_POST["sr"];
                    $ciasto = $_POST["do"];
                    if(isset($_POST["s1"])) $s1 = 1;else $s1 = 0;
                    if(isset($_POST["s2"])) $s2 = 1;else $s2 = 0;
                    if(isset($_POST["s3"])) $s3 = 1;else $s3 = 0;
                    if(isset($_POST["s4"])) $s4 = 1;else $s4 = 0;
                    if(isset($_POST["s5"])) $s5 = 1;else $s5 = 0;
                    if(isset($_POST["s6"])) $s6 = 1;else $s6 = 0;
                    $all = $s1 + $s2 + $s3 + $s4 + $s5 + $s6;
                    if($all >= 3){
                        if($rozmiar == 1) $roz_cena = 10;else $roz_cena = 15;
                        if($ciasto == 1) $cia_cena = 7;else if($ciasto == 2) $cia_cena = 9;else $cia_cena = 12;
                        $cena = ($all * 3) + $roz_cena + $cia_cena;

                        $q = "INSERT INTO `zamowienia`(`id`, `rozmiar`, `ciasto`, `skladnik1`, `skladnik2`, `skladnik3`, `skladnik4`, `skladnik5`, `skladnik6`, `cena`) VALUES (NULL,".$rozmiar.",".$ciasto.",".$s1.",".$s2.",".$s3.",".$s4.",".$s5.",".$s6.",".$cena.")";
                        mysqli_query($conn,$q);
                        $str = "Poprawnie Zlozone Zamowienie";
                    }
                    else{
                        $str = "Niepoprawnie Zlozone Zamowienie";
                    }

                 echo $str;
                }


            ?>
    </body>
</html>