Switch + include ไม่แสดงผลใน server ช่วยแก้ให้หน่อยนะครับ

<?php 
include("connectdb.php");
if(!empty($_GET['actions'])){

  $actions=$_GET['actions'];

  switch($actions) {

  case "regis":
  include("register.php");
  break;

  case "login":
  include("login.php");
  break;

  }

}

?>

$actions = $_GET['actions']

$actions = $_POST['actions'];

$actions = isset($_POST['actions']) ? $_POST['actions'] : $_GET['actions'];