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<?php
$conn = mysqli_connect("localhost", "root", "", "4ti_kursy");
$q_sel = "SELECT * FROM kursy";

$results = mysqli_query($conn, $q_sel);



?>

<!DOCTYPE html>
<html lang="pl">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="styl.css">
</head>

<body>
    <header>
        <h1>KURSY</h1>
    </header>
    <div id="left-panel">
        <h2>Lista:</h2>
        <ol id="lista">
            <?php
            while ($row = mysqli_fetch_assoc($results)) {

                $id = $row["id"];
                $nazwa = $row["nazwa"];
                echo "<li>$nazwa</li>";
            }




            ?>
        </ol>
    </div>
    <div id="right-panel">
        <h2>Zapisz się:</h2>
        <form id="registration-form" method="POST">
            <label for="nazwa">Imię i nazwisko</label><br>
            <input type="text" id="nazwa" name="nazwa" placeholder="Wpisz imie i nazwisko" required>
            <br>
            <label for="numer_kursu">Numer kursu:</label><br>
            <input type="number" id="numer_kursu" name="numer_kursu" placeholder="Wybierz numer kursu (1-3)">
            <br>
            <button type="submit" name="dodaj" id="dodaj">Zapisz</button>
        </form>
        <?php

        if (isset($_POST["dodaj"])) {
            $nazwa = $_POST['nazwa'];
            $nr_kursu = $_POST['numer_kursu'];

            $select_id = "SELECT nazwa from  kursy where id = '$nr_kursu'  ";
            $wynik = mysqli_query($conn, $select_id);
            $kurs = mysqli_fetch_assoc($wynik);
            $nazwakursu = $kurs['nazwa'];


            echo "UCZESTNIK $nazwa zapisal sie na kurs : $nazwakursu ";
        }

        ?>
    </div>

    <div id="stopka">       
        <footer>
            <p>PESEL:000000000000</p>
        </footer>
    </div>
</body>

</html>


<?php

mysqli_close($conn)
?>


* {
    box-sizing: border-box;
}


header {
    height: 100px;
    background-color: red;
    text-align: center;
    color: white;
    font-size: 36px;
    line-height: 100px;
}

#right-panel {
    width: 60%;
    height: 450px;
    background-color: yellow;
    padding: 20px;
    float: right;
}

#left-panel {
    width: 40%;
    height: 450px;
    background-color: lightgreen;
    padding: 20px;
    float: left;
}

button { 
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}
#stopka{
    background-color: black;
    float: inline-end;
    height: 60px;
    text-align: center;
    width: 100%;
    color: white;
}
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