$page = $_GET['page']; $s = isset($_GET['s']) ? $_GET['s'] : ''; if (isset($_POST['action']) && isset($_POST['users']) && current_user_can('manage_options')) { check_admin_referer('bulk-instructors'); $action = $_POST['action']; foreach ($_POST['users'] as $user_value) { if (is_numeric($user_value)) { $instructor_id = (int) $user_value; $instructor = new Instructor($instructor_id); switch (addslashes($action)) { case 'delete': $instructor->delete_instructor(); $message = __('Selected instructors has been removed successfully.', 'cp'); break; case 'unassign': $instructor->unassign_from_all_courses(); $message = __('Selected instructors has been unassigned from all courses successfully.', 'cp'); break; } } } } if (isset($_GET['page_num'])) { $page_num = (int) $_GET['page_num']; } else { $page_num = 1; } if (isset($_GET['s'])) { $usersearch = $_GET['s']; } else { $usersearch = '';