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Student Listing: Adding Navigation Menu - Student Details

studentdetails.php - Student Listing: Complete Code Listing

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<?php
  require_once('pagetitles.php');
  $page_title = SL_DETAILS_PAGE;
?>
<!DOCTYPE html>
<html>
  <head>
      <link rel="stylesheet"
            href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css"
            integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS"
            crossorigin="anonymous">
      <title><?= $page_title ?></title>
  </head>
  <body>
    <?php
        require_once('navmenu.php');
    ?>
    <div class="card">
      <div class="card-body">
        <h1><?= $page_title ?></h1>
        <hr/>
        <?php
            if (isset($_GET['id'])):

                require_once('dbconnection.php');
                require_once('queryutils.php');
                require_once('studentlistingfileconstants.php');

                $id = $_GET['id'];

                $dbc = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME)
                        or trigger_error('Error connecting to MySQL server for '
                        . DB_NAME, E_USER_ERROR);

                $query = "SELECT * FROM studentListing WHERE id = ?";

                $result = parameterizedQuery($dbc, $query, 'i', $id)
                        or trigger_error(mysqli_error($dbc), E_USER_ERROR);

                if (mysqli_num_rows($result) == 1):

                    $row = mysqli_fetch_assoc($result);

                    $student_image_file = $row['image_file'];

                    if (empty($student_image_file)):
                        $student_image_file = SL_UPLOAD_PATH . SL_DEFAULT_STUDENT_FILE_NAME;

                    endif;

            ?>
        <h1>ID: <?= $row['id'] ?></h1>
        <div class="row">
          <div class="col-4">
            <img src="<?=$student_image_file?>" class="img-thumbnail"
                style="max-height: 200px;" alt="Student image">
          </div>
          <div class="col">
            <table class="table table-striped">
              <tbody>
                <tr>
                  <th scope="row">First Name</th>
                  <td><?= $row['first_name'] ?></td>
                </tr>
                <tr>
                  <th scope="row">Last Name</th>
                  <td><?= $row['last_name'] ?></td>
                </tr>
                <tr>
                  <th scope="row">Email</th>
                  <td><?= $row['email'] ?></td>
                </tr>
              </tbody>
            </table>
          </div>
        </div>
            <?php
                    if (isset($_SESSION['user_access_privileges'], $_SESSION['user_student_listing_id'])
                            && ($_SESSION['user_access_privileges'] == 'admin'
                                    || $_SESSION['user_student_listing_id'] == $row['id'])):
            ?>
        <hr/>
        <p>If you would like to change any of the details of this student, feel free to <a href='editstudent.php?id_to_edit=<?=$row['id']?>'> edit it</a></p>
            <?php
                    endif;
                else:
            ?>
        <h3>No Student Details :-(</h3>
        <?php
                endif;           
            else:
        ?>
        <h3>No Student Details :-(</h3>
        <?php
            endif;           
        ?>
      </div>
    </div>
  <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"
          integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
          crossorigin="anonymous"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js"
          integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut"
          crossorigin="anonymous"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js"
          integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k"
          crossorigin="anonymous"></script>
  </body>
</html>