website/common/code/boost_display_dir.php

<?php

// Not strictly a filter, but needs some of the members.
class BoostDisplayDir extends BoostFilter
{
    function __construct($data, $dir) {
        $handle = opendir($dir);

        $title = html_encode("Index listing for {$data->path}");

        $content = "<h3>$title</h3>\n<ul>\n";

        while (($file = readdir($handle)) !== false)
        {
            if (substr($file, 0, 1) == '.') continue;
            if (is_dir("$dir$file")) $file .= '/';
            $file = html_encode($file);
            $content .= "<li><a rel='nofollow' href='$file'>$file</a></li>\n";
        }

        $content .= "</ul>\n";

        parent::__construct($data, $content);
        $this->title = $title;
        $this->noindex = true;
    }

    function display() {
        $this->display_template($this->template_params($this->content));
    }
}