$country = $_POST['country'];
$telephone = $_POST['telephone'];
$email = $_POST['email'];
$hear = $_POST['hear'];
$contact_how = $_POST['contact_how'];
$comments = $_POST['comments'];
//boldtown
$developer = 23;
$project = 28;
//select register to verify already registered
$obj_carriers = "";
$obj_carriers['id_project'] = $project;
$obj_carriers['first_name'] = $first_name;
$obj_carriers['last_name'] = $last_name;
$obj_carriers['email'] = $email;
$model->select_data($sel_results, "register", $obj_carriers);
if (mysqli_num_rows($sel_results) > 0) {
    $errors['alreadyReg'] = "You already have registered!";
}
if ($first_name == "") {
    $errors['first_name'] = "Please enter first name";
    $upd_key = "fail";
} elseif ($first_name != "") {
    if (strpos($first_name, "www") !== false || strpos($first_name, "http") !== false) {
        $errors['first_name'] = "Invalid first name";
        $upd_key = "fail";
    }
}
if ($last_name == "") {
    $errors['last_name'] = "Please enter last name";
    $upd_key = "fail";