case "add":
if ($method === "GET") {
contacts::displayAddContactForm();
} elseif ($method === "POST") {
contacts::handleAddContact();
}
break;
case "delete":
$id = $_GET["id"];
delete_contact($id);
header("Location: /contacts.php?action=list");
break;
case "edit":
$id = $_GET["id"];
if ($method === "GET") {
contacts::displayEditContactForm($id);
} elseif ($method === "POST") {
contacts::handleEditContact($id);
}
break;
case "view":
$id = $_GET["id"];
contacts::viewContact($id);
break;
}
class contacts
{
/*
lists contacts of current user with action buttons
*/
public static function listContacts()
