TA的每日心情 | 无聊 2017-9-26 16:16 |
---|
签到天数: 224 天 [LV.7]常住居民III
|
- <?php
- class runtime
- {
- var $StartTime = 0;
- var $StopTime = 0;
- function get_microtime()
- {
- list($usec, $sec) = explode(' ', microtime());
- return ((float)$usec + (float)$sec);
- }
- function start()
- {
- $this->StartTime = $this->get_microtime();
- }
- function stop()
- {
- $this->StopTime = $this->get_microtime();
- }
- function spent()
- {
- return round(($this->StopTime - $this->StartTime) * 1000, 1);
- }
- }
- //例子
- $runtime= new runtime;
- $runtime->start();
- //你的代码开始
- $a = 0;
- for($i=0; $i<1000000; $i++)
- {
- $a += $i;
- }
- //你的代码结束
- $runtime->stop();
- echo "页面执行时间: ".$runtime->spent()." 毫秒";
- ?>
|
|