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class runTime {
- private $starTime;//开始时间
- private $stopTime;//结束时间
- private function getMicTime(){
- $mictime=microtime();//获取时间戳和微秒数
- list($usec,$sec)=explode(" ",$mictime);//把微秒数分割成数组并转换成变量处理
- return (float)$usec+(float)$sec;//把转换后的数据强制用浮点点来处理
- }
- public function star(){//获取开始时间
- $this->starTime=$this->getMicTime();
- }
- public function stop(){//获取结束时间
- $this->stopTime=$this->getMicTime();
- }
- public function spent(){//计算程序持续时间
- return round($this->stopTime-$this->starTime)*1000;//获取毫秒数
- }
- }
- //举例
- $time=new runTime();
- $time->star();
- for ($i=1;$iecho("a");
- }
- $time->stop();
- echo $time->spent();
- ?>
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