Someone

<?php

$uptime = trim(exec("cat /proc/uptime")); 
/*D*/print_r($uptime);
echo "<br/>";
$uptime = explode(" ", $uptime);
$idletime=$uptime[1];
$uptime=$uptime[0];


$day=86400;
$days=floor($uptime/$day);
echo "Up: $days days<br/>";
$utdelta=$uptime-($days*$day);

$hour=3600;
$hours=floor($utdelta/$hour);
echo "$hours hours<br/>";
$utdelta-=$hours*$hour;

$minute=60;
$minutes=floor($utdelta/$minute);
echo "$minutes minutes<br/>";
$utdelta-=round($minutes*$minute,2);

echo "$utdelta seconds<br/>";

echo '<b>Load Average</b><br/>';
echo round((1-($idletime/$uptime))*100,3);
echo "%";
?>