summaryrefslogtreecommitdiffstats
path: root/system/libraries/Cache/drivers/Cache_apc.php
diff options
context:
space:
mode:
authorPhil Sturgeon <email@philsturgeon.co.uk>2010-12-27 20:06:28 +0100
committerPhil Sturgeon <email@philsturgeon.co.uk>2010-12-27 20:06:28 +0100
commitc8089154217307a56b60ae8f0cb85087a1531b27 (patch)
tree18ea049c55438a80d9b3465863ff699063a12304 /system/libraries/Cache/drivers/Cache_apc.php
parent2280e8ea67f94e67f2c803e804fb1b8125b579b0 (diff)
parent5cbe4dd1f0d94791fe86e08111b77c1d57b83f54 (diff)
Implemented GET string support from Dan Horrigan and modified it slightly. Also tweaked his regex_match changes.
Diffstat (limited to 'system/libraries/Cache/drivers/Cache_apc.php')
-rw-r--r--system/libraries/Cache/drivers/Cache_apc.php151
1 files changed, 151 insertions, 0 deletions
diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php
new file mode 100644
index 000000000..9c716a971
--- /dev/null
+++ b/system/libraries/Cache/drivers/Cache_apc.php
@@ -0,0 +1,151 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @author ExpressionEngine Dev Team
+ * @copyright Copyright (c) 2006 - 2010 EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 2.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter APC Caching Class
+ *
+ * @package CodeIgniter
+ * @subpackage Libraries
+ * @category Core
+ * @author ExpressionEngine Dev Team
+ * @link
+ */
+
+class Cache_apc extends CI_Driver {
+
+ /**
+ * Get
+ *
+ * Look for a value in the cache. If it exists, return the data
+ * if not, return FALSE
+ *
+ * @param string
+ * @return mixed value that is stored/FALSE on failure
+ */
+ public function get($id)
+ {
+ $data = apc_fetch($id);
+
+ return (is_array($data)) ? $data[0] : FALSE;
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Cache Save
+ *
+ * @param string Unique Key
+ * @param mixed Data to store
+ * @param int Length of time (in seconds) to cache the data
+ *
+ * @return boolean true on success/false on failure
+ */
+ public function save($id, $data, $ttl = 60)
+ {
+ return apc_store($id, array($data, time(), $ttl), $ttl);
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Delete from Cache
+ *
+ * @param mixed unique identifier of the item in the cache
+ * @param boolean true on success/false on failure
+ */
+ public function delete($id)
+ {
+ return apc_delete($id);
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Clean the cache
+ *
+ * @return boolean false on failure/true on success
+ */
+ public function clean()
+ {
+ return apc_clear_cache('user');
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Cache Info
+ *
+ * @param string user/filehits
+ * @return mixed array on success, false on failure
+ */
+ public function cache_info($type = NULL)
+ {
+ return apc_cache_info($type);
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get Cache Metadata
+ *
+ * @param mixed key to get cache metadata on
+ * @return mixed array on success/false on failure
+ */
+ public function get_metadata($id)
+ {
+ $stored = apc_fetch($id);
+
+ if (count($stored) !== 3)
+ {
+ return FALSE;
+ }
+
+ list($value, $time, $ttl) = $stored;
+
+ return array(
+ 'expire' => $time + $ttl,
+ 'mtime' => $time,
+ 'data' => $data
+ );
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
+ * is_supported()
+ *
+ * Check to see if APC is available on this system, bail if it isn't.
+ */
+ public function is_supported()
+ {
+ if ( ! extension_loaded('apc') OR ! function_exists('apc_store'))
+ {
+ log_message('error', 'The APC PHP extension must be loaded to use APC Cache.');
+ return FALSE;
+ }
+
+ return TRUE;
+ }
+
+ // ------------------------------------------------------------------------
+
+
+}
+// End Class
+
+/* End of file Cache_apc.php */
+/* Location: ./system/libraries/Cache/drivers/Cache_apc.php */ \ No newline at end of file