code: protected function profiling($signal = true)
      {
          static $timeStart;
          if ($signal) {
              $timeStart = microtime(true);
          }
          if (!$signal) {
              $this->timeExecution = (microtime(true) - $timeStart) / 60;
  
              return $this->timeExecution;
          }
      }
docs: Execution time of the script
  
  @var bool $signal true - start, false - stop
  @return float $timeExecution Total Execution Time in Mins