Add php class docs

Author: Cyperghost

wcfsetup/install/files/lib/system/background/job/TolerantCacheRebuildBackgroundJob.class.php

@@ -6,6 +6,8 @@
 use wcf\system\cache\tolerant\AbstractTolerantCache;
 
 /**
+ * Rebuilds the cache data of a tolerant cache.
+ *
  * @author Olaf Braun
  * @copyright 2001-2025 WoltLab GmbH
  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>

wcfsetup/install/files/lib/system/cache/eager/AbstractEagerCache.class.php

@@ -6,6 +6,8 @@
 use wcf\util\ClassUtil;
 
 /**
+ * Eager caches are caches that do not expire and must be renewed manually if the data in the cache has changed.
+ *
  * @author Olaf Braun
  * @copyright 2001-2025 WoltLab GmbH
  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>

wcfsetup/install/files/lib/system/cache/tolerant/AbstractTolerantCache.class.php

@@ -8,6 +8,10 @@
 use wcf\util\ClassUtil;
 
 /**
+ * Tolerant caches are caches that are rebuilt in the background when they are about to expire or have already expired.
+ * The cache data can be outdated, this must not be a problem when using these caches.
+ * The lifetime MUST BE `>= 300`.
+ *
  * @author Olaf Braun
  * @copyright 2001-2025 WoltLab GmbH
  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>