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TS-Website/lib/phpfastcache/phpFastCache/Drivers/cookie.php

156 lines
3.5 KiB

<?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;
/**
* Class cookie
* @package phpFastCache\Drivers
*/
class cookie extends DriverAbstract
{
/**
* phpFastCache_cookie 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 memcache
if (function_exists('setcookie')) {
return true;
}
$this->fallback = true;
return false;
}
/**
*
*/
public function connectServer()
{
// for cookie check output
if (!isset($_COOKIE[ 'phpFastCache' ])) {
if (!@setcookie('phpFastCache', 1, 10)) {
$this->fallback = true;
}
}
}
/**
* @param $keyword
* @param string $value
* @param int $time
* @param array $option
* @return bool
*/
public function driver_set($keyword, $value = '', $time = 300, $option = array())
{
$this->connectServer();
$keyword = 'phpFastCache_' . $keyword;
$v = $this->encode($value);
if(isset($this->config['limited_memory_each_object'])
&& strlen($v) > $this->config['limited_memory_each_object']) {
return false;
}
return setcookie($keyword, $v, time() + ($time ? (int)$time : 300), '/');
}
/**
* @param $keyword
* @param array $option
* @return bool|mixed|null
*/
public function driver_get($keyword, $option = array())
{
$this->connectServer();
// return null if no caching
// return value if in caching
$keyword = 'phpFastCache_' . $keyword;
$x = isset($_COOKIE[ $keyword ]) ? $this->decode($_COOKIE[ $keyword ]) : false;
if ($x == false) {
return null;
} else {
return $x;
}
}
/**
* @param $keyword
* @param array $option
*/
public function driver_delete($keyword, $option = array())
{
$this->connectServer();
$keyword = 'phpFastCache_' . $keyword;
@setcookie($keyword, null, -10);
$_COOKIE[ $keyword ] = null;
}
/**
* @param array $option
* @return array
*/
public function driver_stats($option = array())
{
$this->connectServer();
$res = array(
'info' => '',
'size' => '',
'data' => $_COOKIE,
);
return $res;
}
/**
* @param array $option
*/
public function driver_clean($option = array())
{
$this->connectServer();
foreach ($_COOKIE as $keyword => $value) {
if (strpos($keyword, 'phpFastCache') !== false) {
@setcookie($keyword, null, -10);
$_COOKIE[ $keyword ] = null;
}
}
}
/**
* @param $keyword
* @return bool
*/
public function driver_isExisting($keyword)
{
$this->connectServer();
$x = $this->get($keyword);
return !($x == null);
}
}