/**
  * Find rooms in this property that are vavant
  * @todo Use the room class to lookup rooms that have not been occupied
  * @return array An array of room objects
  */
 public function getVacantRooms()
 {
     $vacant_rooms = Room::findVacantRoomsByPropertyId($this->id);
     return $vacant_rooms;
 }
<?php

require_once "../lib/init.php";
if (!$session->isLoggedIn()) {
    redirect_to("../index.php");
}
$permissions = array('admin');
try {
    $ac->checkPermissions($permissions);
} catch (Exception $e) {
    $mesg = $e->getMessage();
    $session->message($mesg);
    redirect_to($_SERVER['HTTP_REFERER']);
}
$prop_id = $session->sessionVar("prop_id");
$rooms = Room::findVacantRoomsByPropertyId($prop_id);
if (isset($_POST['submit'])) {
    $selected_room = $_POST['room_name'];
    if (empty($selected_room)) {
        $err = "Please choose a room to assign a tenant";
    } else {
        $session->sessionVar("room_id", $selected_room);
        $session->message("Room selection saved");
        redirect_to("add_tenant.php");
    }
} else {
    $err = "";
}
include_layout_template("admin_header.php");
?>