PHP Subscriber::updateSubscriptions示例

 $categories = array();
 foreach ($all_categories as $category) {
     $category['subscribed'] = false;
     $categories[$category['id']] = $category;
 }
 $keywords = $subscriber->getKeywords();
 $subscriptions_updated = false;
 if (isset($_POST['save_settings'])) {
     $subscribe_categories = array();
     if (isset($_POST['categories']) && is_array($_POST['categories'])) {
         foreach ($_POST['categories'] as $categoryId) {
             if (array_key_exists($categoryId, $categories) || $categoryId === '0') {
                 $subscribe_categories[] = $db->real_escape_string($categoryId);
             }
         }
         if ($subscriber->updateSubscriptions($subscribe_categories)) {
             $subscriptions_updated = true;
         }
     }
     if (isset($_POST['keywords']) && $_POST['keywords'] != $keywords) {
         if ($subscriber->setKeywords($_POST['keywords'])) {
             $keywords = $subscriber->getKeywords();
             $subscriptions_updated = true;
         }
     }
     if ($subscriptions_updated) {
         $postman->MailSubscriptionUpdated($email, $auth);
     }
 } else {
     $subscribe_categories = $subscriber->getSubscriptions();
 }