{
        $this->initialTime = microtime(true);
    }
    protected function timeElapsed()
    {
        $otro = "initialTime";
        echo $this->{$otro};
        echo "\n";
        echo $this->initialTime;
        $timeElapsed = $this->timeEnd();
        $timeElapsed = $timeElapsed - $this->{$otro};
    }
    protected function timeEnd()
    {
        $timeEnd = microtime(true);
        return $timeEnd;
    }
}
function setStartTime()
{
}
class Prueba extends ExecuteTime
{
    public function mesuaredFunction()
    {
        echo "test";
    }
}
$prueba = new Prueba();
$prueba->calculateTimeOfExecution();
include "php1.php";