Untitled

<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "timedrun";
$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("Connection failed - the bed bugs fiddled with the settings: " . $conn->connect_error);
?>
<html>
<head>
  <title>Archers</title>
</head>
<body>
  <form method="post">
    Enter how many values you would like to enter:
    <input type="number" name="number"><br>
    Enter name:
    <input type="text" name="name">
    <input type="submit" name="submit">
  </form>
  <?php
  $number = 0;
  $result = 0;
  if (isset($_POST["submit"])){
    $number = $_POST['number'];
    $name = $_POST['name'];
    $x = 0;
    echo "<form method=\"post\">";
    while ($x != $number) {
      echo "Enter score: <input type=\"text\" name=\"".'a'.$x."\"><br>";
      $x = $x + 1;
    }
    echo "<input type=\"submit\" name=\"submit2\"></form>";
    session_start();
    $_SESSION['number']=$number;
    $_SESSION['name']=$name;
  }

  if (isset($_POST["submit2"])){
    $y = 0;
    session_start();
    $number=$_SESSION["number"];
    while ($y != $number){
      $value = $_POST["a".$y];
      $result = $result + $value;
      $y = $y + 1;
    }
    $result = $result/$number;
    echo "<br>".$result;
  }
  ?>
</body>
</html>