ts-website/lib/phpfastcache/phpFastCache/Drivers/xcache.php

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2016-06-28 21:18:59 +00:00
<?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 Exception;
/**
* Class xcache
* @package phpFastCache\Drivers
*/
class xcache extends DriverAbstract
{
/**
* phpFastCache_xcache constructor.
* @param array $config
*/
public function __construct($config = array())
{
$this->setup($config);
if (!$this->checkdriver() && !isset($config[ 'skipError' ])) {
$this->fallback = true;
}
}
/**
* @return bool
*/
public function checkdriver()
{
// Check xcache
if (extension_loaded('xcache') && function_exists('xcache_get')) {
return true;
}
$this->fallback = true;
return false;
}
/**
* @param $keyword
* @param string $value
* @param int $time
* @param array $option
* @return bool
*/
public function driver_set($keyword, $value = "", $time = 300, $option = array())
{
if (isset($option[ 'skipExisting' ]) && $option[ 'skipExisting' ] == true) {
if (!$this->isExisting($keyword)) {
return xcache_set($keyword, serialize($value), $time);
}
} else {
return xcache_set($keyword, serialize($value), $time);
}
return false;
}
/**
* @param $keyword
* @param array $option
* @return mixed|null
*/
public function driver_get($keyword, $option = array())
{
// return null if no caching
// return value if in caching
$data = unserialize(xcache_get($keyword));
if ($data === false || $data == '') {
return null;
}
return $data;
}
/**
* @param $keyword
* @param array $option
* @return bool
*/
public function driver_delete($keyword, $option = array())
{
return xcache_unset($keyword);
}
/**
* @param array $option
* @return array
*/
public function driver_stats($option = array())
{
$res = array(
'info' => '',
'size' => '',
'data' => '',
);
try {
$res[ 'data' ] = xcache_list(XC_TYPE_VAR, 100);
} catch (Exception $e) {
$res[ 'data' ] = array();
}
return $res;
}
/**
* @param array $option
* @return bool
*/
public function driver_clean($option = array())
{
$cnt = xcache_count(XC_TYPE_VAR);
for ($i = 0; $i < $cnt; $i++) {
xcache_clear_cache(XC_TYPE_VAR, $i);
}
return true;
}
/**
* @param $keyword
* @return bool
*/
public function driver_isExisting($keyword)
{
return xcache_isset($keyword);
}
}