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php 代码运行时间查看类

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Release: 2016-06-08 17:25:05
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php教程 代码运行时间查看类

//date:2011-08-05
class RunTime//页面执行时间类
{
 private $starttime;//页面开始执行时间
 private $stoptime;//页面结束执行时间
 private $spendtime;//页面执行花费时间
 function getmicrotime()//获取返回当前微秒数的浮点数
 {
  list($usec,$sec)=explode(" ",microtime());
  return ((float)$usec + (float)$sec);
 }
 function start()//页面开始执行函数,返回开始页面执行的时间
 {
  $this->starttime=$this->getmicrotime();
 }
 function end()//显示页面执行的时间
 {
  $this->stoptime=$this->getmicrotime();
  $this->spendtime=$this->stoptime-$this->starttime;
  //return round($this->spendtime,10);
 }
 function display()
 {
     //$this->end();
     echo "

运行时间:".round($this->spendtime,10)."秒

";
 }
}
/*调用方法  
$timer=new Runtime();
$timer->start(); 

$timer->end();
view sourceprint?
$timer->display();

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