%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* @version $Id$
* @package Koowa_Loader
* @copyright Copyright (C) 2007 - 2012 Johan Janssens. All rights reserved.
* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html>
*/
/**
* Loader Registry Class
*
* @author Johan Janssens <johan@nooku.org>
* @category Koowa
* @package Koowa_Loader
*/
class KLoaderRegistry extends ArrayObject
{
/**
* Cache
*
* @var boolean
*/
protected $_cache = false;
/**
* Cache Prefix
*
* @var boolean
*/
protected $_cache_prefix = 'koowa-cache-loader';
/**
* Enable class caching
*
* @param boolean Enable or disable the cache. Default is TRUE.
* @return boolean TRUE if caching is enabled. FALSE otherwise.
*/
public function enableCache($enabled = true)
{
if($enabled && extension_loaded('apc')) {
$this->_cache = true;
} else {
$this->_cache = false;
}
return $this->_cache;
}
/**
* Set the cache prefix
*
* @param string The cache prefix
* @return void
*/
public function setCachePrefix($prefix)
{
$this->_cache_prefix = $prefix;
}
/**
* Get the cache prefix
*
* @return string The cache prefix
*/
public function getCachePrefix()
{
return $this->_cache_prefix;
}
/**
* Get an item from the array by offset
*
* @param int The offset
* @return mixed The item from the array
*/
public function offsetGet($offset)
{
if(!parent::offsetExists($offset))
{
if($this->_cache) {
$result = apc_fetch($this->_cache_prefix.'-'.$offset);
} else {
$result = false;
}
}
else $result = parent::offsetGet($offset);
return $result;
}
/**
* Set an item in the array
*
* @param int The offset of the item
* @param mixed The item's value
* @return object KObjectArray
*/
public function offsetSet($offset, $value)
{
if($this->_cache) {
apc_store($this->_cache_prefix.'-'.$offset, $value);
}
parent::offsetSet($offset, $value);
}
/**
* Check if the offset exists
*
* @param int The offset
* @return bool
*/
public function offsetExists($offset)
{
if(false === $result = parent::offsetExists($offset))
{
if($this->_cache) {
$result = apc_exists($this->_cache_prefix.'-'.$offset);
}
}
return $result;
}
}
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