如下所示：

复制代码 代码如下:

<?php

$t = new executeTime;

phpinfo();

class executeTime{

private $microtime;

public function __construct(){

$this->microtime = microtime(true);

}

public function getNow(){

$this->__dectruct();

}

public function __destruct(){

if (empty($_SERVER['REQUEST_TIME_FLOAT']))

echo '<div>本次执行时间：', microtime(TRUE) - $this->microtime, '秒</div>';

else

echo '<div>本次执行时间：', microtime(TRUE) - $_SERVER['REQUEST_TIME_FLOAT'], '秒</div>';

}

}