librenms-librenms/includes/html/pages/routing/overview.inc.php

<?php

foreach ($datas as $type) {
    $type = basename($type);
    if ($type != 'overview') {
        if (is_file("includes/html/pages/routing/overview/$type.inc.php")) {
            $g_i++;
            if (!is_integer($g_i / 2)) {
                $row_colour = \LibreNMS\Config::get('list_colour.even');
            } else {
                $row_colour = \LibreNMS\Config::get('list_colour.odd');
            }

            echo '<div style="background-color: '.$row_colour.';">';
            echo '<div style="padding:4px 0px 0px 8px;"><span class=graphhead>'.$type_text[$type].'</span>';

            include "includes/html/pages/routing/overview/$type.inc.php";

            echo '</div>';
            echo '</div>';
        } else {
            $graph_title = $type_text[$type];
            $graph_type  = 'device_'.$type;

            include 'includes/html/print-device-graph.php';
        }
    }
}