A class that tests the run time of a PHP program

!--? php class RunTime { private $starTime;//start time private $stopTime;//End Private Function Getmictime () { $mictime =microtime ();//get timestamp and number of microseconds list ($usec, $sec) = Explode ("", $mictime);//The number of microseconds divided into groups and converted to variable processing return (float) $usec + (float) $sec;//force the converted data with floating point to handle } Public Function Star () {//Get start time $this->startime= $this->getmictime (); } Public function Stop () {//Get end time $this->stoptime= $this->getmictime (); } Public function spent () {//Calculation program duration return round ($this->stoptime-$this->startime) *1000 ;//Gets the number of milliseconds } } //Example $time =new runTime (); $time->star (); for ($i =1; $i <=1000; $i + +) { echo ("a"); } $time->stop (); echo $time->spent (); ? Copy Code

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