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The author:(作者)归海一刀
published in(发表于) 2014/2/10 6:50:14
PHP计算页面执行时间_[PHP教程]

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();
?>

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