Untitled

<?php
$dbServerName = "127.0.0.1";
$dbUser = "izet";
$dbPass = "1234";
$dbName = "databasefundamentals";
$dbConn = new mysqli($dbServerName, $dbUser, $dbPass, $dbName);

if (isset($_POST["submit"])) {
    $name = $_POST["tekst"];
    $query = "SELECT * from student WHERE first_name = '$name'";
    $dbConn -> query($query);


    $result = $dbConn -> query($query);

    if ($result -> num_rows > 0) {
        while ($row = $result -> fetch_assoc()) {
            echo $row['first_name'] . "\n";
        }
    }
    $dbConn -> close();
}
?>
<!doctype html>
<html lang="en">
  <head>
    <title>Title</title>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous">
  </head>
  <body>
      <form action="blabla.php" method="post">
          <div class="form-group">
            <input type="text"
              class="form-control" name="tekst" id="tekst" aria-describedby="helpId" placeholder="">
            <small id="helpId" class="form-text text-muted">Help text</small>
          </div>
          <button name="submit" type="submit" class="btn btn-primary">Submit</button>
      </form>

    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
  </body>
</html>