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StoreMemory.php
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StoreMemory.php
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<?php
/**
* StoreMemory
* @author Jianxiang Qin <TalkativeDoggy@gmail.com>
* @license http://opensource.org/licenses/BSD-3-Clause New BSD License
* @version svn:$Id: StoreMemory.php 964 2012-08-27 04:02:32Z zhao5908@gmail.com $
*/
/**
* LtStore Memory
* @author Jianxiang Qin <TalkativeDoggy@gmail.com>
* @category runtime
* @package Lotusphp\Store
*/
class LtStoreMemory implements LtStore
{
/**
* 存储配置
* @var array
*/
protected $stack;
/**
* init method
*/
public function init()
{
//do nothing
}
/**
* add
* @param string $key
* @param string|array|object $value
* @return boolean
*/
public function add($key, $value)
{
if (isset($this->stack[$key]))
{
return false;
}
else
{
$this->stack[$key] = $value;
return true;
}
}
/**
* del
* @param string $key
* @return boolean
*/
public function del($key)
{
if (isset($this->stack[$key]))
{
unset($this->stack[$key]);
return true;
}
else
{
return false;
}
}
/**
* get
* @param string $key
* @return mixed | null
*/
public function get($key)
{
return isset($this->stack[$key]) ? $this->stack[$key] : null;
}
/**
* key不存在返回false
*
* @return bool
*/
/**
* update
* @param string $key
* @param string|array|object $value
* @return boolean
*/
public function update($key, $value)
{
if (!isset($this->stack[$key]))
{
return false;
}
else
{
$this->stack[$key] = $value;
return true;
}
}
}