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<?php
function uptime() {
    //Script zum auslesen der Uptime
    if( $fd = @fopen('/proc/uptime', 'r')) {
        $ar_buf = split(' ', fgets($fd, 4096));
        fclose($fd);

        $sys_ticks = trim($ar_buf[0]);

        $min   = $sys_ticks / 60;
        $hours = $min / 60;
        $days  = floor($hours / 24);
        $hours = floor($hours - ($days * 24));
        $min   = floor($min - ($days * 60 * 24) - ($hours * 60));

        if ($days != 0) {
            $result = $days."d ";
        }

        if ($hours != 0) {
            $result .= $hours."h ";
        }
            
        $result .= $min ."m";
    } else {
        $result = "n/a";
    }

    return $result;
}


function loadavg() {
    //Funktion zum auslesen der Server
    if ($fd = @fopen('/proc/loadavg', 'r')) {
            $results = split(' ', fgets($fd, 4096));
            fclose($fd);
    } else {
            $results = array('N.A.','N.A.','N.A.');
    }

    return $results;
}

$uptime=uptime();
$loadavg=loadavg();
echo("&raquo; Up: " . $uptime . "<br>");
echo("&raquo; Load: " . $loadavg[0]. "<br>");
?>