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<?php
class
CacheException
extends
Exception {}
/**
* »º´æ³éÏóÀà
*/
abstract
class
Cache_Abstract {
/**
* ¶Á»º´æ±äÁ¿
*
* @param string $key »º´æÏ±ê
* @return mixed
*/
abstract
public
function
fetch(
$key
);
/**
* »º´æ±äÁ¿
*
* @param string $key »º´æ±äÁ¿Ï±ê
* @param string $value »º´æ±äÁ¿µÄÖµ
* @return bool
*/
abstract
public
function
store(
$key
,
$value
);
/**
* ɾ³ý»º´æ±äÁ¿
*
* @param string $key »º´æÏ±ê
* @return Cache_Abstract
*/
abstract
public
function
delete
(
$key
);
/**
* Çå(ɾ)³ýËùÓлº´æ
*
* @return Ca
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/**
* »ñµÃµ±Ç°Ê±¼äµÄºÁÃëÊý£¬Óû§¼ì²âÒ³ÃæµÄÖ´ÐÐʱ¼ä
*
* @author cjz
* @date Thu Apr 09 15:05:55 CST 2009
*
* @return float(ºÁÃëÊý)
*/
function myGetMicrotime()
{
list($usec,$sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
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