librenms-librenms/includes/html/graphs/application/memcached_data.inc.php

<?php

require 'memcached.inc.php';
require 'includes/html/graphs/common.inc.php';

$scale_min = 0;
$colours = 'mixed';
$nototal = 0;
$unit_text = 'Packets/sec';
$array = [
    'limit_maxbytes' => [
        'descr'  => 'Capacity',
        'colour' => '555555',
    ],
    'bytes'          => [
        'descr'      => 'Used',
        'colour'     => 'cc0000',
        'areacolour' => 'ff999955',
    ],
];

$i = 0;

if (rrdtool_check_rrd_exists($rrd_filename)) {
    foreach ($array as $ds => $var) {
        $rrd_list[$i]['filename'] = $rrd_filename;
        $rrd_list[$i]['descr'] = $var['descr'];
        $rrd_list[$i]['ds'] = $ds;
        $rrd_list[$i]['colour'] = $var['colour'];
        if (! empty($var['areacolour'])) {
            $rrd_list[$i]['areacolour'] = $var['areacolour'];
        }

        $i++;
    }
} else {
    echo "file missing: $file";
}

require 'includes/html/graphs/generic_multi_line.inc.php';