<?php
global $connection;
require "assets/database.php";

if (isset($_GET["id"]) and is_numeric($_GET["id"])) {
    $sql = "SELECT * FROM student WHERE id = ". $_GET["id"];

    $result = mysqli_query($connection, $sql);
    if ($result === false) {
        echo mysgli_error($connection);
    } else {
        $students = mysqli_fetch_assoc($result);
    }
}


?>

<!DOCTYPE html>
<html lang="cs">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
<?php require "assets/header.php" ?>



<main>
    <section class="main-heading"><h1>Informace o žákovi</h1></section>
    <section>
        <?php if ($students === null): ?>
            <p>Žák nenalezen</p>
        <?php else : ?>
<h2><?php echo $students["first_name"]. " " .$students["second_name"] ?></h2>
        <p>Věk: <?php echo $students["age"] ?></p>
        <p>Dodatečné informace: <?= $students["life"] ?></p>
        <p>Kolej: <?= $students["college"] ?></p>
        <?php endif ?>
    </section>
</main>

<?php require "assets/footer.php" ?>
</body>
</html>