Server load bar

print('<h2>Server load</h2>');
print("<table class='main' border='0' width='420'><tr><td style='padding: 0px; background-repeat: repeat-x'>");

$percent = min(100, round(exec('ps ax | grep -c lighttpd') / 256 * 30 )); // Apache or lighttpd

// System tracker load
echo "<center><br />Tracker load: ($percent %)
<table class='main' border='0' width='400'><tr>
<td style='padding: 0px; background-image: url({$images}loadbarbg.gif); background-repeat: repeat-x'>";

if ($percent <= 70) $pic = "{$images}loadbargreen.gif";

elseif ($percent <= 90) $pic = "{$images}loadbaryellow.gif";

else $pic = "{$images}loadbarred.gif";

$width = $percent * 8;

echo "<img height=15 width=$width src='".$pic."' alt='$percent%'></td></tr></table>";
echo "Uptime: ".trim(exec('uptime'))."<br />";

$percent = min(100, round(exec('ps ax | grep -c lighttpd') / 256 * 150));

// Server load
echo "<br />Server load: ($percent %)
<table class='main' border='0' width='400'><tr>
<td style='padding: 0px; background-image: url({$images}loadbarbg.gif); background-repeat: repeat-x'>";

if ($percent <= 70) $pic = "{$images}loadbargreen.gif";

elseif ($percent <= 90) $pic = "{$images}loadbaryellow.gif";
else

$pic = '{$images}loadbarred.gif';
$width = $percent * 8;

echo "<img height='15' width=$width src='".$pic."' alt='$percent%'></td></tr></table><br />";