Implement atomic increment/decrement in Cache library
Requested via issue #109
Supersedes PR #241
diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php
index 537897e..2dffa35 100644
--- a/system/libraries/Cache/Cache.php
+++ b/system/libraries/Cache/Cache.php
@@ -150,14 +150,15 @@
/**
* Cache Save
*
- * @param string $id Cache ID
- * @param mixed $data Data to store
- * @param int $ttl = 60 Cache TTL (in seconds)
+ * @param string $id Cache ID
+ * @param mixed $data Data to store
+ * @param int $ttl Cache TTL (in seconds)
+ * @param bool $raw Whether to store the raw value
* @return bool TRUE on success, FALSE on failure
*/
- public function save($id, $data, $ttl = 60)
+ public function save($id, $data, $ttl = 60, $raw = FALSE)
{
- return $this->{$this->_adapter}->save($this->key_prefix.$id, $data, $ttl);
+ return $this->{$this->_adapter}->save($this->key_prefix.$id, $data, $ttl, $raw);
}
// ------------------------------------------------------------------------
@@ -176,6 +177,34 @@
// ------------------------------------------------------------------------
/**
+ * Increment a raw value
+ *
+ * @param string $id Cache ID
+ * @param int $offset Step/value to add
+ * @return mixed New value on success or FALSE on failure
+ */
+ public function increment($id, $offset = 1)
+ {
+ return $this->{$this->_adapter}->increment($id, $offset);
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Decrement a raw value
+ *
+ * @param string $id Cache ID
+ * @param int $offset Step/value to reduce by
+ * @return mixed New value on success or FALSE on failure
+ */
+ public function decrement($id, $offset = 1)
+ {
+ return $this->{$this->_adapter}->decrement($id, $offset);
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
* Clean the cache
*
* @return bool TRUE on success, FALSE on failure