/**
* Memcache CacheResource
- *
* CacheResource Implementation based on the KeyValueStore API to use
* memcache as the storage resource for Smarty's output caching.
- *
* Note that memcache has a limitation of 256 characters per cache-key.
* To avoid complications all cache-keys are translated to a sha1 hash.
*
* @package CacheResource-examples
- * @author Rodney Rehm
+ * @author Rodney Rehm
*/
-class Smarty_CacheResource_Memcache extends Smarty_CacheResource_KeyValueStore {
+class Smarty_CacheResource_Memcache extends Smarty_CacheResource_KeyValueStore
+{
/**
* memcache instance
+ *
* @var Memcache
*/
protected $memcache = null;
-
+
public function __construct()
{
$this->memcache = new Memcache();
- $this->memcache->addServer( '127.0.0.1', 11211 );
+ $this->memcache->addServer('127.0.0.1', 11211);
}
-
+
/**
* Read values for a set of keys from cache
*
- * @param array $keys list of keys to fetch
- * @return array list of values with the given keys used as indexes
+ * @param array $keys list of keys to fetch
+ *
+ * @return array list of values with the given keys used as indexes
* @return boolean true on success, false on failure
*/
protected function read(array $keys)
foreach ($res as $k => $v) {
$_res[$lookup[$k]] = $v;
}
+
return $_res;
}
-
+
/**
* Save values for a set of keys to cache
*
- * @param array $keys list of values to save
- * @param int $expire expiration time
+ * @param array $keys list of values to save
+ * @param int $expire expiration time
+ *
* @return boolean true on success, false on failure
*/
- protected function write(array $keys, $expire=null)
+ protected function write(array $keys, $expire = null)
{
foreach ($keys as $k => $v) {
$k = sha1($k);
$this->memcache->set($k, $v, 0, $expire);
}
+
return true;
}
/**
* Remove values from cache
*
- * @param array $keys list of keys to delete
+ * @param array $keys list of keys to delete
+ *
* @return boolean true on success, false on failure
*/
protected function delete(array $keys)
$k = sha1($k);
$this->memcache->delete($k);
}
+
return true;
}
*/
protected function purge()
{
- return $this->memcache->flush();
+ $this->memcache->flush();
}
}