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<?php  
    //µ¥ÀýģʽµÄÀàLock
  
    class
 Lock  
    {  
        //¾²Ì¬ÊôÐÔ$instance
  
        static
 
private
 
$instance
 = NULL;  
        //Ò»¸öÆÕͨµÄ³ÉÔ±ÊôÐÔ
  
        private
 
$switch
 = 0;  
        //getInstance¾²Ì¬³ÉÔ±·½·¨
  
        static
 
function
 getInstance()  
        {  
            //Èç¹û¶ÔÏóʵÀý»¹Ã»Óб»´´½¨£¬Ôò´´½¨Ò»¸öеÄʵÀý
  
            if
 (self::
$instance
 == NULL)  
            {  
                self::$instance
 = 
new
 Lock();  
            }  
            //·µ»Ø¶ÔÏóʵÀý
  
            return
 self::
$instance
;  
        }  
        //¿Õ¹¹Ô캯Êý
  
        private
 
function
 Lock()  
        {  
       &


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Month of PHP Security Summary

it is 21th of May. The Month of PHP Security
(http://www.php-security.org) is still running and we have reached a
vulnerability count of 40 vulnerabilities, which is nearly as much as we
disclosed during the whole Month of PHP Bugs in 2007. However there are
11 more days until the end of May and ......

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