if (isset($_POST['submit-login'])) {
session_start();
require ("pages/conn/connection.php");
$uName = mysqli_real_escape_string($conn, $_POST['uName']);
$pass1 = mysqli_real_escape_string($conn, $_POST['pass1']);
$grupo = mysqli_real_escape_string($conn, $_POST['grupo']);
$salted ="********".$pass1."*****";
$hashed = hash('sha512',$salted);
$query = "SELECT * FROM login WHERE uName ='$uName' AND pass1 ='$hashed' AND grupo = '$grupo'";
$result = mysqli_query($conn, $query) or die("BAD SQL: $query");