ntop display board

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<?php
//gets the current traffic speed in kb/s
$api_address = "http://127.0.0.1:3000/dumpTrafficData.html?language=xml&view=long";
$ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $api_address);
    curl_setopt($ch, CURLOPT_PORT, "3000");
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $curl = curl_exec($ch);
    curl_close($ch);

$a = json_decode(json_encode((array) simplexml_load_string($curl)),1);
$bps = $a['ntop-traffic-information']['device-information']['actualThpt'];
$kbs = round($bps / 1024, 2);
$percent = round(($kbs / 256) * 100);

//build graphs
$now = time();
$before_10min = $now - 600;
$before_60min = $now - 3600;

$img_10 = "http://127.0.0.1:3000/plugins/rrdPlugin?action=arbreq&which=graph&arbfile=throughput&arbiface=eth0&arbip=&start=" . $before_10min . "&end=" . $now . "&counter=&title=Last+10+Minutes";
$img_60 = "http://127.0.0.1:3000/plugins/rrdPlugin?action=arbreq&which=graph&arbfile=throughput&arbiface=eth0&arbip=&start=" . $before_60min . "&end=" . $now . "&counter=&title=Last+60+Minutes";

//pings googles DNS server, checks to see if line quality is up
$ping =  shell_exec('ping -c 1 -w 1 8.8.8.8');
$pre = explode("=", $ping);
$ping_final = explode(" ms", $pre[3]);

?>

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
        <META HTTP-EQUIV=REFRESH CONTENT=60>
        <META HTTP-EQUIV=Pragma CONTENT=no-cache>
        <META HTTP-EQUIV=Cache-Control CONTENT=no-cache>
        <title>CompanyName - Network</title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <link rel="stylesheet" type="text/css" href="asubtlebeige.css" />
<style type="text/css">
</style></head>
<body>
<div id="page">
    <div id="header">
        <div class="title">CompanyName - Network</div>
        <div class="subText">Status - Updated Every Minute</div>
    </div>
    <div id="bar">
    </div>
    <div id="pageContent">
                <div class="articleTitle">
                        <?php
                        if ($kbs == 0)
                                {
                                        echo 'Currently the CompanyName network is using less than 10Kb/s</b>.<br \> That is under 2% of available bandwidth.';
                                }
                                else
                                {
                                        echo 'Currently the CompanyName network is using <b>' . $kbs . 'Kb/s</b>.<br \> That is roughly <b>' . $percent . '</b>% of available bandwidth.';
                                }
                        if ($ping_final[0] == "")
                                {
                                        echo "<br />NOTICE: Internet currently unreachable via CompanyName network.";
                                }


                        if ($kbs > 200 || $ping_final[0] > 100)
                                {
                                        echo '<br />High outgoing network load is detected, expect slower speeds to the internet.';
                                }
                        ?>
                </div>
        </div>

      <div class="articleContent">
                <?php echo '<img class="displayed" src="' . $img_10 . '">'; ?><br \>
                <?php echo '<img class="displayed" src="' . $img_60 . '">'; ?><br \>

        </div>


    </div>

</div>
    <div id="footer"><b>This page was last updated <?php echo shell_exec(date); ?></b><br />
<?php

echo "<br />";
echo shell_exec(uptime);
echo "<br />Full network stats available at http://127.0.0.1:3000/thptStats.html<br />";
echo "Avg outgoing latency - " . $ping_final[0] . "ms";

?>
</div>
</body>
</html>