Problems with getting modification to work as an extension

ip: [b]xxx.xxx.xxx.xxx.xxx[/b]

<?xml version="1.0" encoding="utf-8"?>

<!DOCTYPE extension SYSTEM "ext-1.0.dtd">

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<extension engine="1.0">
    <id>codee_servers</id>
    <title>CoD.EE server output</title>
    <version>0.1</version>
    <description>Add methods into extern to output server ip's inserted into first posts of toppics in certain subforums.</description>
    <author>Is not that important</author>

    <minversion>1.3dev</minversion>
    <maxtestedon>1.3dev</maxtestedon>

    <hooks>
        <hook id="ex_start"><![CDATA[
    // yo    
    function output_raw($servers) {

    global $forum_config;

    echo "<table><tr><th>M2ng</th><th>Nimi</th><th>ip:port</th></tr>\n";
    foreach ($servers as $server)
    {
        preg_match_all("(ip: \[b\]([^\[]*))", $server['info'], $iped); //"(([^[\];])])"
        foreach($iped[1] as $ip){            
            if ($forum_config['o_censoring'] == '1')
                $server['name'] = censor_words($server['name']);
            echo '<tr><td>' . $server['game'] . "\t </td><td> " .$server['name'] ."\t </td><td> " . $ip . "</td></tr>\n";
        }
    }
    echo "</table>\n";
}
function output_servers_html($servers) {

    global $forum_config;

    echo "<table><tr><th>M2ng</th><th>Nimi</th><th>ip:port</th></tr>\n";
    foreach ($servers as $server)
    {
        preg_match_all("(ip: \[b\]([^\[]*))", $server['info'], $iped); //"(([^[\];])])"
        foreach($iped[1] as $ip){            
            if ($forum_config['o_censoring'] == '1')
                $server['name'] = censor_words($server['name']);
            echo '<tr><td>' . $server['game'] . "\t </td><td> " .$server['name'] ."\t </td><td> " . $ip . "</td></tr>\n";
        }
    }
    echo "</table>\n";
}
function output_servers_raw($servers) {

    global $forum_config;

    foreach ($servers as $server)
    {
        preg_match_all("(ip: \[b\]([^\[]*))", $server['info'], $iped); //"(([^[\];])])"
        foreach($iped[1] as $ip){            
            if ($forum_config['o_censoring'] == '1')
                $server['name'] = censor_words($server['name']);
            echo $server['game'].';'.$ip."\n";
        }
    }
}
]]></hook>
        <hook id="ex_new_action"><![CDATA[
//
// server list from toppics
//
else if ($_GET['action'] == 'servers') {

    $type = 'html';
    if (isset($_GET['type']) && is_scalar($_GET['type']))
    {
        if (strtolower($_GET['type']) == 'raw')
            $type = 'raw';
    }
    
    $forum_sql = '';

    // Was any specific forum ID's supplied?
    if (isset($_GET['fid']) && $_GET['fid'] != '')
    {
        $fids = explode(',', trim($_GET['fid']));
        $fids = array_map('intval', $fids);
        
        if (!empty($fids))
            $forum_sql = ' AND t.forum_id IN('.implode(',', $fids).')';
    }

    // Teemade nimed ja pealkirjad ja id'd
    $result = $forum_db->query('
        SELECT t.subject as name,  p.message as info, t.forum_id as game FROM '.$forum_db->prefix.'topics AS t 
        INNER JOIN '.$forum_db->prefix.'posts AS p ON p.topic_id=t.id  
        WHERE p.id = (SELECT id as a FROM '.$forum_db->prefix.'posts WHERE topic_id=t.id ORDER BY a ASC LIMIT 1)
        '.$forum_sql.' ORDER BY game, name DESC') or error('Serverite nimekirja ei saanud, sest '.print_r($forum_db->error(),1), __FILE__, __LINE__, $forum_db->error());

    if (!$forum_db->num_rows($result))
        exit($lang_common['Bad request']);
    while ($servers[] = $forum_db->fetch_assoc($result));

    $output_func = 'output_servers_'.$type;
    $output_func($servers);
    return;
}

]]></hook>
</hooks>
</extension>