$slug = Functions::CreateSlug(trim($_POST['slug'])); } else { if ($_POST['action'] == 'title') { $slug = Functions::CreateSlug(trim($_POST['title'])); } else { App::Throw404(); } } } else { App::Throw404(); } // Validate Page ID if (isset($_POST['page_id']) && $_POST['page_id'] == 0) { $page_id = 0; } else { if (!empty($_POST['page_id']) && is_numeric($_POST['page_id']) && Page::Exist(array('page_id' => $_POST['page_id']))) { $page_id = $_POST['page_id']; } else { App::Throw404(); } } $slug_page_id = Page::Exist(array('slug' => $slug)); // If reserved // If create & taken // If update and & taken if (Page::IsReserved($slug) || $slug_page_id && $slug_page_id !== $page_id) { echo json_encode(array('result' => 0, 'msg' => Page::GetAvailableSlug($slug))); } else { // OK echo json_encode(array('result' => 1, 'msg' => $slug)); }