PHP计算页面执行时间

2009-05-30 15:26:42 作者：php编程 来源：网络安全网 浏览次数：0 网友评论 0 条

<? 

class timer

{ var StartTime = 0;

var StopTime = 0;

var TimeSpent = 0;



function start(){

this->StartTime = microtime();}

 function stop(){

 this->StopTime　= microtime();}

 function spent(){

   if (this->TimeSpent) {

   return this->TimeSpent;

     } else {

StartMicro = substr(this->StartTime,0,10);

StartSecond = substr(this->StartTime,11,10);

StopMicro　 = substr(this->StopTime,0,10);

StopSecond　= substr(this->StopTime,11,10);

start = doubleval(StartMicro)   StartSecond;

stop　= doubleval(StopMicro)   StopSecond;

this->TimeSpent = stop - start;

return substr(this->TimeSpent,0,8)."秒";

        }

     }// end function spent();

}//end class timer;

//例子

  timer = new timer;

    timer->start();

/*

你的代码放在此处

*/



timer->stop();

echo "执行本SCRIPT共".timer->spent();

?>