if ($_SERVER["REQUEST_METHOD"] == "POST") {

    if (isset($_POST['name']) && !empty($_POST["name"])) {
        $myArray = array('code' => '200', 'message' => 'Success: Name was entered.');
        echo json_encode($myArray);
  } else {

    $myArray = array('code' => '670', 'message' => 'Error: Name field was entered incorrectly');
    echo json_encode($myArray);
  }

}