测试PHP代码和页面执行速度的类
<?php
class timer {
var $StartTime = 0;
var $StopTime = 0;
var $TimeSpent = 0;
function start(){
$this->StartTime = microtime();
}
function stop(){
$this->StopTime = microtime();
}
function spent() {
if ($this->TimeSpent) {
return $this->TimeSpent;
} else {
$StartMicro = substr($this->StartTime,0,10);
$StartSecond = substr($this->StartTime,11,10);
$StopMicro = substr($this->StopTime,0,10);
$StopSecond = substr($this->StopTime,11,10);
$start = floatval($StartMicro) + $StartSecond;
$stop = floatval($StopMicro) + $StopSecond;
$this->TimeSpent = $stop - $start;
return round($this->TimeSpent,8)."秒";
}
} // end function spent();
} //end class timer;
//$timer = new timer;//实例化测试类
//$timer->start();//放在代码开始执行的测试点
//$timer->stop(); //放在代码执行结束的测试点
//print_r("</br>运行时间为: ".$timer->spent()) ;
//unset($timer);
class timer {
var $StartTime = 0;
var $StopTime = 0;
var $TimeSpent = 0;
function start(){
$this->StartTime = microtime();
}
function stop(){
$this->StopTime = microtime();
}
function spent() {
if ($this->TimeSpent) {
return $this->TimeSpent;
} else {
$StartMicro = substr($this->StartTime,0,10);
$StartSecond = substr($this->StartTime,11,10);
$StopMicro = substr($this->StopTime,0,10);
$StopSecond = substr($this->StopTime,11,10);
$start = floatval($StartMicro) + $StartSecond;
$stop = floatval($StopMicro) + $StopSecond;
$this->TimeSpent = $stop - $start;
return round($this->TimeSpent,8)."秒";
}
} // end function spent();
} //end class timer;
//$timer = new timer;//实例化测试类
//$timer->start();//放在代码开始执行的测试点
//$timer->stop(); //放在代码执行结束的测试点
//print_r("</br>运行时间为: ".$timer->spent()) ;
//unset($timer);
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