/**
* Does the specified offset exist in cache?
*
- * @param $offset The offsrt we are looking for
+ * @param $offset The offset we are looking for
* @return $exists Wether the offset exists
*/
- function offsetExists ($offset);
+ function offsetExists($offset);
+
+ /**
+ * Setter for cache offset
+ *
+ * @param $offset The offset we shall set
+ * @param $data Data to store in cache
+ * @return void
+ */
+ function offsetSet($offset, $data);
+
+ /**
+ * Getter for cache offset or "null" if not found
+ *
+ * @param $offset The offset we shall set
+ * @return $data Data to store in cache
+ */
+ function offsetGet($offset);
+
+ /**
+ * Purges the given cache entry
+ *
+ * @param $offset The offset we shall set
+ * @return void
+ */
+ function purgeOffset($offset);
}
// [EOF]