无法使用include从另一个php文件执行数据库语句

What I'm doing wrong after adding class define to StoreUser.php file and calling it from store.php file because it doesn't work any moore? It worked fine inside file StoreUser.php without class define and function see below.

$dbhost = "localhost";
$dbname = "riskinarviointilomake";
$dbuser = "root";
$dbpass = "";
//private $email;

if(isset($_GET["email"])){

$conn = new mysqli($dbhost, $dbuser, $dbpass, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}


if (!( $stmt = $conn->prepare("INSERT INTO users(unique_id,email,
  encrypted_password) VALUES(?,?,?)"))){

    echo "Table creation failed: (" . $conn->errno . ") " . $conn->error;
}
    $stmt->bind_param('sss', $unique_id,$email,$password);

    $unique_id=123457764;
    $password="df12467hh";  

    $result = $stmt->execute();
    $stmt->close();
    $conn->close();


   }




  ?>      

This doesn't work

class StoreUser{

$dbhost = "localhost";
$dbname = "riskinarviointilomake";
$dbuser = "root";
$dbpass = "";
//private $email;


public function store($email){
$conn = new mysqli($dbhost, $dbuser, $dbpass, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}


if (!( $stmt = $conn->prepare("INSERT INTO users(unique_id,email, encrypted_password) VALUES(?,?,?)"))){

    echo "Table creation failed: (" . $conn->errno . ") " . $conn->error;
}
    $stmt->bind_param('sss', $unique_id,$email,$password);

    $unique_id=123457764;
    $password="df12467hh";  

    $result = $stmt->execute();
    $stmt->close();
    $conn->close();


 }

}

    <?php

    include 'StoreTest.php';

   if(isset($_GET['email'])){
     $email = $_GET['email'];
     $store = new StoreTest();
     $store->store($email);


   }


 ?>