php代码
- <?php
- function getmicrotime(){
- list($usec, $sec) = explode(" ",microtime());
- return ((float)$usec + (float)$sec);
- }
- //例子
- //开始
- $time_start = getmicrotime();
- //这里放你的代码
- //结束
- $time_end = getmicrotime();
- $time = $time_end - $time_start;
- echo "Did nothing in $time seconds"; //输出运行总时间
- ?>
