From 8a431c9e4279fc4aa4c9c5b52157634d19470404 Mon Sep 17 00:00:00 2001
From: marcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Mon, 3 Nov 2008 19:58:41 +0000
Subject: * ElggCache interface improved * ElggStaticVariableCache introduced
 as a placeholder for more advanced caching.

git-svn-id: https://code.elgg.org/elgg/trunk@2384 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/api.php | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'engine/lib/api.php')

diff --git a/engine/lib/api.php b/engine/lib/api.php
index 4ca9e208c..198f3efb0 100644
--- a/engine/lib/api.php
+++ b/engine/lib/api.php
@@ -236,6 +236,28 @@
 			return false;
 		}
 		
+		/**
+		 * Invalidate a given key.
+		 *
+		 * @param string $key
+		 * @return bool
+		 */
+		public function delete($key)
+		{
+			global $CONFIG;
+			
+			$key = sanitise_string($key);
+			
+			return delete_data("DELETE from {$CONFIG->dbprefix}hmac_cache where hmac='$key'");
+		}
+		
+		/**
+		 * Clear out all the contents of the cache.
+		 * 
+		 * Not currently implemented in this cache type.
+		 */
+		public function clear() { return true; }
+		
 		/**
 		 * Clean out old stuff.
 		 *
-- 
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