Get values from prepare bind param query with new mysqli connection

new_mysqli_fetch_bind_param.php

<?php

$servername = "localhost";
$username 	= "root";
$password 	= "secret";
$dbname 	  = "myDB";

	// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
	// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}
$email = 'admin@admin.com';
$password = sha1('password');
$query = $conn->prepare('SELECT id,username,email FROM users WHERE email = ? AND password = ?');
$query->bind_param('ss',$email,$password);

$query->execute();
$query->bind_result($id,$username,$email); // create new variable with the same of columns in table
while ($query->fetch()) {
	var_dump($id); // show data in column id
}