From: Aaron Schulz <aschulz@wikimedia.org>
Date: Sun, 24 Sep 2017 11:17:11 +0000 (+0200)
Subject: Add more ProcessCacheLRU comments
X-Git-Tag: 1.31.0-rc.0~1938^2
X-Git-Url: http://git.cyclocoop.org/%24image?a=commitdiff_plain;h=a90350ee3201bfb0bf0b88f2dbec49f267c5702e;p=lhc%2Fweb%2Fwiklou.git

Add more ProcessCacheLRU comments

Change-Id: I5b59dd065dc387a6c7f9cae42ea5244247448650
---

diff --git a/includes/libs/ProcessCacheLRU.php b/includes/libs/ProcessCacheLRU.php
index 03e23edbb7..b374259fdc 100644
--- a/includes/libs/ProcessCacheLRU.php
+++ b/includes/libs/ProcessCacheLRU.php
@@ -23,14 +23,17 @@
 use Wikimedia\Assert\Assert;
 
 /**
- * Handles per process caching of items
+ * Class for process caching individual properties of expiring items
+ *
+ * When the key for an entire item is deleted, all properties for it are deleted
+ *
  * @ingroup Cache
  */
 class ProcessCacheLRU {
-	/** @var Array */
+	/** @var array */
 	protected $cache = []; // (key => prop => value)
 
-	/** @var Array */
+	/** @var array */
 	protected $cacheTimes = []; // (key => prop => UNIX timestamp)
 
 	protected $maxCacheKeys; // integer; max entries