Class to test the execution time of a PHP code block

1<?PHP2 Header("content-type:text/html; Charset=utf-8 ");3 classTimer {4     var $StartTime= 0;5     var $StopTime= 0;6     var $TimeSpent= 0;7 8     functionstart () {9         $this-StartTime =Microtime();Ten     } One  A     functionStop () { -         $this-StopTime =Microtime(); -     } the  -     functionspent () { -         if($this-timespent) { -             return $this-timespent; +}Else { -             $StartMicro=substr($thisStartTime, 0, 10); +             $StartSecond=substr($thisStartTime, 11, 10); A             $StopMicro=substr($thisStopTime, 0, 10); at             $StopSecond=substr($thisStopTime, 11, 10); -             $start=Floatval($StartMicro) +$StartSecond; -             $stop=Floatval($StopMicro) +$StopSecond; -             $this-Timespent =$stop-$start; -             return round($thisTimespent, 8). Seconds; -         } in}//End Function spent (); -  to}//End Class timer; +  - $timer=Newtimer (); the $timer-start (); * //Start-----Test code block $ $link=Mysqli_connect(' localhost ', ' root ', ' 123456 ', ' SDK ', ' 3306 ') or die(' Connect false! ');Panax Notoginseng $redis=NewRedis (); - $redisConnect (' 127.0.0.1 ', 6379); the $redis-Flushall (); + $query= <<<ETO ASELECT * from ' table ' asT1 the JOIN(SELECTROUND(RAND() * ((SELECTMAX(ID) from ' table ')-(SELECTMIN(ID) from ' table ') + (SELECTMIN(ID) from ' table ') asId asT2 +WHERE t1.id >= t2.id ORDER by t1.id LIMIT 1;  - ETO; $ $result=Mysqli_query($link,$query); $ foreach($result  as $value) { -     foreach($value  as $key=$val) { -         $res[$key] =$val; the     } - }Wuyi $redis-Mset ($res); the $keys=$redisKeys (' * '); - Var_dump($keys); Wu Echo' <br/>--above is redis keys--<br/> '; - Var_dump($redis-Mget ($keys)); About Echo' <br/>--above is redis keys of values--<br/> '; $ //End-----Test code block - Mysqli_close($link); - $timer-stop (); - Echo' </br> run time: '.$timer-spent (); A unset($timer);

Class to test the execution time of a PHP code block