aboutsummaryrefslogtreecommitdiff
path: root/engine
diff options
context:
space:
mode:
authormarcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>2008-11-05 14:59:26 +0000
committermarcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>2008-11-05 14:59:26 +0000
commit685ade6f02f607200e0b92d6f09abc4a5814e386 (patch)
tree8ea5b57264f01a4bb687581d04d91e6aa5b9a2d9 /engine
parent35f824f7a0c9049e743864b267ef78d8a4d3c0f2 (diff)
downloadelgg-685ade6f02f607200e0b92d6f09abc4a5814e386.tar.gz
elgg-685ade6f02f607200e0b92d6f09abc4a5814e386.tar.bz2
Added "add" method to cache only if it doesn't exist already.
git-svn-id: https://code.elgg.org/elgg/trunk@2404 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'engine')
-rw-r--r--engine/lib/cache.php19
1 files changed, 18 insertions, 1 deletions
diff --git a/engine/lib/cache.php b/engine/lib/cache.php
index fa5f990df..e8b996e59 100644
--- a/engine/lib/cache.php
+++ b/engine/lib/cache.php
@@ -127,6 +127,23 @@
*/
abstract public function clear();
+ /**
+ * Add a key only if it doesn't already exist.
+ * Implemented simply here, if you extend this class and your caching engine provides a better way then
+ * override this accordingly.
+ *
+ * @param string $key
+ * @param string $data
+ * @return bool
+ */
+ public function add($key, $data)
+ {
+ if (!isset($this[$key]))
+ return $this->save($key, $data);
+
+ return false;
+ }
+
// ARRAY ACCESS INTERFACE //////////////////////////////////////////////////////////
function offsetSet($key, $value)
{
@@ -388,7 +405,7 @@
/**
- * A simple function that selects the default caching engine.
+ * A simple function that selects the default memory caching engine.
*
* This function provides a central way to get a cache for storing local variables.
*