From a2b06771202365af678df478eab4e68aa7006d68 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Tue, 20 Nov 2012 15:09:46 +0200
Subject: Fix #18

---
 system/libraries/Cache/drivers/Cache_apc.php | 15 +++++++++------
 user_guide_src/source/changelog.rst          |  1 +
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php
index 46e633463..a9ad6ed19 100644
--- a/system/libraries/Cache/drivers/Cache_apc.php
+++ b/system/libraries/Cache/drivers/Cache_apc.php
@@ -48,9 +48,11 @@ class CI_Cache_apc extends CI_Driver {
 	 */
 	public function get($id)
 	{
-		$data = apc_fetch($id);
+		$success = FALSE;
+		$data = apc_fetch($id, $success);
 
-		return is_array($data) ? $data[0] : FALSE;
+		return ($success === TRUE && is_array($data))
+			? unserialize($data[0]) : FALSE;
 	}
 
 	// ------------------------------------------------------------------------
@@ -67,7 +69,7 @@ class CI_Cache_apc extends CI_Driver {
 	public function save($id, $data, $ttl = 60)
 	{
 		$ttl = (int) $ttl;
-		return apc_store($id, array($data, time(), $ttl), $ttl);
+		return apc_store($id, array(serialize($data), time(), $ttl), $ttl);
 	}
 
 	// ------------------------------------------------------------------------
@@ -118,9 +120,10 @@ class CI_Cache_apc extends CI_Driver {
 	 */
 	public function get_metadata($id)
 	{
-		$stored = apc_fetch($id);
+		$success = FALSE;
+		$stored = apc_fetch($id, $success);
 
-		if (count($stored) !== 3)
+		if ($success === FALSE OR count($stored) !== 3)
 		{
 			return FALSE;
 		}
@@ -130,7 +133,7 @@ class CI_Cache_apc extends CI_Driver {
 		return array(
 			'expire'	=> $time + $ttl,
 			'mtime'		=> $time,
-			'data'		=> $data
+			'data'		=> unserialize($data)
 		);
 	}
 
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 55927f219..6047f1c9c 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -447,6 +447,7 @@ Bug fixes for 3.0
 -  Fixed a bug (#1220) - :doc:`Profiler Library <general/profiling>` didn't display information for database objects that are instantiated inside models.
 -  Fixed a bug (#1978) - :doc:`Directory Helper <helpers/directory_helper>` function :php:func:`directory_map()`'s return array didn't make a distinction between directories and file indexes when a directory with a numeric name is present.
 -  Fixed a bug (#777) - :doc:`Loader Library <libraries/loader>` didn't look for helper extensions in added package paths.
+-  Fixed a bug (#18) - :doc:`APC Cache <libraries/caching>` driver didn't (un)serialize data, resulting in failure to store objects.
 
 Version 2.1.3
 =============
-- 
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