$m_time = explode(" ",microtime());
$m_time = $m_time[0] + $m_time[1];
$starttime = $m_time;
?>
Biology
$round = 3;
$m_time = explode(" ",microtime());
$m_time = $m_time[0] + $m_time[1];
$endtime = $m_time;
$totaltime = ($endtime - $starttime);
echo "?????????? ?????? ?? ". round($totaltime,$round) ." ???????";
?>