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<?php
/**
*
* This file is part of phpFastCache.
*
* @license MIT License (MIT)
*
* For full copyright and license information, please see the docs/CREDITS.txt file.
*
* @author Khoa Bui (khoaofgod) <khoaofgod@gmail.com> http://www.phpfastcache.com
* @author Georges.L (Geolim4) <contact@geolim4.com>
*
*/
namespace phpFastCache\Drivers;
use phpFastCache\Core\DriverAbstract;
use phpFastCache\Exceptions\phpFastCacheDriverException;
/**
* Class apc
* @package phpFastCache\Drivers
*/
class apc extends DriverAbstract
{
/**
* phpFastCache_apc constructor.
* @param array $config
* @throws phpFastCacheDriverException
*/
public function __construct($config = array())
{
$this->setup($config);
if (!$this->checkdriver()) {
throw new phpFastCacheDriverException('APC is not installed, cannot continue.');
}
}
/**
* @return bool
*/
public function checkdriver()
{
if (extension_loaded('apc') && ini_get('apc.enabled')) {
return true;
} else {
$this->fallback = true;
return false;
}
}
/**
* @param $keyword
* @param string $value
* @param int $time
* @param array $option
* @return array|bool
*/
public function driver_set(
$keyword,
$value = '',
$time = 300,
$option = array()
) {
if (isset($option[ 'skipExisting' ]) && $option[ 'skipExisting' ] == true) {
return apc_add($keyword, $value, $time);
} else {
return apc_store($keyword, $value, $time);
}
}
/**
* @param $keyword
* @param array $option
* @return mixed|null
*/
public function driver_get($keyword, $option = array())
{
$data = apc_fetch($keyword, $bo);
if ($bo === false) {
return null;
}
return $data;
}
/**
* @param $keyword
* @param array $option
* @return bool|\string[]
*/
public function driver_delete($keyword, $option = array())
{
return apc_delete($keyword);
}
/**
* @param array $option
* @return array
*/
public function driver_stats($option = array())
{
$res = array(
'info' => '',
'size' => '',
'data' => '',
);
try {
$res[ 'data' ] = apc_cache_info('user');
} catch (\Exception $e) {
$res[ 'data' ] = array();
}
return $res;
}
/**
* @param array $option
* @return void
*/
public function driver_clean($option = array())
{
@apc_clear_cache();
@apc_clear_cache('user');
}
/**
* @param $keyword
* @return bool
*/
public function driver_isExisting($keyword)
{
return (bool) apc_exists($keyword);
}
}