-
-
/**
- * 计算程序运行时间
- * filename: js_runtime.php
- */
- class Timer {
- private $StartTime = 0;//程序运行开始时间
- private $StopTime = 0;//程序运行结束时间
- private $TimeSpent = 0;//程序运行花费时间
- function start(){//程序运行开始
- $this->StartTime = microtime();
- }
- function stop(){//程序运行结束
- $this->StopTime = microtime();
- }
- function spent(){//程序运行花费的时间
- if ($this->TimeSpent) {
- return $this->TimeSpent;
- } else {
- list($StartMicro, $StartSecond) = explode(" ", $this->StartTime);
- list($StopMicro, $StopSecond) = explode(" ", $this->StopTime);
- $start = doubleval($StartMicro) + $StartSecond;
- $stop = doubleval($StopMicro) + $StopSecond;
- $this->TimeSpent = $stop - $start;
- return substr($this->TimeSpent,0,8)."秒";//返回获取到的程序运行时间差
- }
- }
- }
- $timer = new Timer();
- $timer->start();
- //...程序运行的代码
- $timer->stop();
- echo "程序运行时间为:".$timer->spent();
- ?>
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