Automatic version checking.

                                        <dt>PunBB version</dt>
                                        <dd>
                                                PunBB <?php echo $pun_config['o_cur_version'] ?> - <a href="admin_index.php?action=check_upgrade">Check for upgrade</a><br />
                                                © Copyright 2002, 2003, 2004, 2005 Rickard Andersson
                                        </dd>

                    <dt>PunBB version</dt>
                    <dd>
                        PunBB <?php echo $pun_config['o_cur_version'] ?><br />
<?php
if (!ini_get('allow_url_fopen'))
    echo 'Unable to check for upgrade since \'allow_url_fopen\' is disabled on this system.<br />';
else {
    $fp = @fopen('http://punbb.org/latest_version', 'r');
    @stream_set_timeout($fp, 1);
    $latest_version = trim(@fread($fp, 16));
    @fclose($fp);
 
    if ($latest_version == '')
        echo 'Check for upgrade failed for unknown reasons.<br />';
 
    $cur_version = str_replace(array('.', 'dev', 'beta', ' '), '', strtolower($pun_config['o_cur_version']));
    $cur_version = (strlen($cur_version) == 2) ? intval($cur_version) * 10 : intval($cur_version);
 
    $latest_version = str_replace('.', '', strtolower($latest_version));
    $latest_version = (strlen($latest_version) == 2) ? intval($latest_version) * 10 : intval($latest_version);
 
    if ($cur_version >= $latest_version)
        echo 'You are running the latest version of PunBB.<br />';
    else
        echo '<strong style="color:red">A new version of PunBB has been released. You should download the latest version at <a href="http://punbb.org/">PunBB.org</a>.</strong><br />';
}
?>
                        © Copyright 2002, 2003, 2004, 2005 Rickard Andersson
                    </dd>
                    <dt>PunBB News</dt>
                    <dd>
<?php
if (!ini_get('allow_url_fopen'))
    echo 'Unable to check for news since \'allow_url_fopen\' is disabled on this system.<br />';
else {
    $fp = @fopen('http://punbb.org/forums/extern.php?action=new&fid=48&show=3', 'r');
    @stream_set_timeout($fp, 1);
    $news = trim(@fread($fp, 1000));
    @fclose($fp);
    if ($news != "") 
        echo "<ul>\n".$news."\n</ul>";
    else
        echo "News is currently unavailable.";
}
?>
                    </dd>