function loginall($username, $password)
{
    $db_host="localhost";
    $db_username="root";
    $db_password="";
    $db_name="name";
    $con=mysqli_connect($db_host, $db_username,$db_password, $db_name);
    $mysqli = new mysqli("$db_host","$db_username","$db_password", "$db_name");

    $qry = "SELECT username, password, level, active FROM businesses  WHERE username=? AND password=?
    UNION SELECT username, password, level, active FROM employees WHERE username=? AND password=?";
    $stmt = $mysqli->prepare($qry);
    $stmt->bind_param("ssss", $u,$p,$uu,$pp);
    $u = $username;
    $p = $password;
    $uu = $username;
    $pp = $password;
    $stmt->execute();
    $result = $stmt->get_result();
    while($row = $result->fetch_array(MYSQLI_ASSOC))
    {
        return $row;
    }
}