memberlist.php

<?php
/**
*
* @package phpBB3
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/

/**
* @ignore
*/
define('IN_PHPBB', true);
$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'common.' . $phpEx);
include($phpbb_root_path . 'includes/functions_display.' . $phpEx);

// Start session management
$user->session_begin();
$auth->acl($user->data);
$user->setup(array('memberlist', 'groups', ));

// Grab data
$mode       = request_var('mode', '');
$action     = request_var('action', '');
$user_id    = request_var('u', ANONYMOUS);
$username   = request_var('un', '', true);
$group_id   = request_var('g', 0);
$topic_id   = request_var('t', 0);

// Check our mode...
if (!in_array($mode, array('', 'group', 'viewprofile', 'email', 'contact', 'searchuser', 'leaders')))
{
    trigger_error('NO_MODE');
}

switch ($mode)
{
    case 'email':
    break;

    default:
        // Can this user view profiles/memberlist?
        if (!$auth->acl_gets('u_viewprofile', 'a_user', 'a_useradd', 'a_userdel'))
        {
            if ($user->data['user_id'] != ANONYMOUS)
            {
                trigger_error('NO_VIEW_USERS');
            }

            login_box('', ((isset($user->lang['LOGIN_EXPLAIN_' . strtoupper($mode)])) ? $user->lang['LOGIN_EXPLAIN_' . strtoupper($mode)] : $user->lang['LOGIN_EXPLAIN_MEMBERLIST']));
        }
    break;
}

$start  = request_var('start', 0);
$submit = (isset($_POST['submit'])) ? true : false;

$default_key = 'c';
$sort_key = request_var('sk', $default_key);
$sort_dir = request_var('sd', 'a');


// Grab rank information for later
$ranks = $cache->obtain_ranks();


// What do you want to do today? ... oops, I think that line is taken ...
switch ($mode)
{
    case 'leaders':
        // Display a listing of board admins, moderators
        include($phpbb_root_path . 'includes/functions_user.' . $phpEx);

        $page_title = $user->lang['THE_TEAM'];
        $template_html = 'memberlist_leaders.html';

        $user_ary = $auth->acl_get_list(false, array('a_', 'm_'), false);

        $admin_id_ary = $global_mod_id_ary = $mod_id_ary = $forum_id_ary = array();
        foreach ($user_ary as $forum_id => $forum_ary)
        {
            foreach ($forum_ary as $auth_option => $id_ary)
            {
                if (!$forum_id)
                {
                    if ($auth_option == 'a_')
                    {
                        $admin_id_ary = array_merge($admin_id_ary, $id_ary);
                    }
                    else
                    {
                        $global_mod_id_ary = array_merge($global_mod_id_ary, $id_ary);
                    }
                    continue;
                }
                else
                {
                    $mod_id_ary = array_merge($mod_id_ary, $id_ary);
                }

                if ($forum_id)
                {
                    foreach ($id_ary as $id)
                    {
                        $forum_id_ary[$id][] = $forum_id;
                    }
                }
            }
        }

        $admin_id_ary = array_unique($admin_id_ary);
        $global_mod_id_ary = array_unique($global_mod_id_ary);

        $mod_id_ary = array_merge($mod_id_ary, $global_mod_id_ary);
        $mod_id_ary = array_unique($mod_id_ary);

        // Admin group id...
        $sql = 'SELECT group_id
            FROM ' . GROUPS_TABLE . "
            WHERE group_name = 'ADMINISTRATORS'";
        $result = $db->sql_query($sql);
        $admin_group_id = (int) $db->sql_fetchfield('group_id');
        $db->sql_freeresult($result);

        // Get group memberships for the admin id ary...
        $admin_memberships = group_memberships($admin_group_id, $admin_id_ary);

        $admin_user_ids = array();

        if (!empty($admin_memberships))
        {
            // ok, we only need the user ids...
            foreach ($admin_memberships as $row)
            {
                $admin_user_ids[$row['user_id']] = true;
            }
        }
        unset($admin_memberships);

        $sql = 'SELECT forum_id, forum_name
            FROM ' . FORUMS_TABLE;
        $result = $db->sql_query($sql);

        $forums = array();
        while ($row = $db->sql_fetchrow($result))
        {
            $forums[$row['forum_id']] = $row['forum_name'];
        }
        $db->sql_freeresult($result);

        $sql = $db->sql_build_query('SELECT', array(
            'SELECT'    => 'u.user_id, u.group_id as default_group, u.username, u.username_clean, u.user_colour, u.user_rank, u.user_posts, u.user_allow_pm, g.group_id, g.group_name, g.group_colour, g.group_type, ug.user_id as ug_user_id, u.user_avatar, u.user_avatar_type, u.user_avatar_width, u.user_avatar_height',

            'FROM'      => array(
                USERS_TABLE     => 'u',
                GROUPS_TABLE    => 'g'
            ),

            'LEFT_JOIN' => array(
                array(
                    'FROM'  => array(USER_GROUP_TABLE => 'ug'),
                    'ON'    => 'ug.group_id = g.group_id AND ug.user_pending = 0 AND ug.user_id = ' . $user->data['user_id']
                )
            ),

            'WHERE'     => $db->sql_in_set('u.user_id', array_unique(array_merge($admin_id_ary, $mod_id_ary)), false, true) . '
                AND u.group_id = g.group_id',

            'ORDER_BY'  => 'g.group_name ASC, u.username_clean ASC'
        ));
        $result = $db->sql_query($sql);

        while ($row = $db->sql_fetchrow($result))
        {
            $which_row = (in_array($row['user_id'], $admin_id_ary)) ? 'admin' : 'mod';

            // We sort out admins not within the 'Administrators' group.
            // Else, we will list those as admin only having the permission to view logs for example.
            if ($which_row == 'admin' && empty($admin_user_ids[$row['user_id']]))
            {
                // Remove from admin_id_ary, because the user may be a mod instead
                unset($admin_id_ary[array_search($row['user_id'], $admin_id_ary)]);

                if (!in_array($row['user_id'], $mod_id_ary) && !in_array($row['user_id'], $global_mod_id_ary))
                {
                    continue;
                }
                else
                {
                    $which_row = 'mod';
                }
            }

            $s_forum_select = '';
            $undisclosed_forum = false;

            if (isset($forum_id_ary[$row['user_id']]) && !in_array($row['user_id'], $global_mod_id_ary))
            {
                if ($which_row == 'mod' && sizeof(array_diff(array_keys($forums), $forum_id_ary[$row['user_id']])))
                {
                    foreach ($forum_id_ary[$row['user_id']] as $forum_id)
                    {
                        if (isset($forums[$forum_id]))
                        {
                            if ($auth->acl_get('f_list', $forum_id))
                            {
                                $s_forum_select .= '<option value="">' . $forums[$forum_id] . '</option>';
                            }
                            else
                            {
                                $undisclosed_forum = true;
                            }
                        }
                    }
                }
            }

            // If the mod is only moderating non-viewable forums we skip the user. There is no gain in displaying the person then...
            if (!$s_forum_select && $undisclosed_forum)
            {
//              $s_forum_select = '<option value="">' . $user->lang['FORUM_UNDISCLOSED'] . '</option>';
                continue;
            }

            // The person is moderating several "public" forums, therefore the person should be listed, but not giving the real group name if hidden.
            if ($row['group_type'] == GROUP_HIDDEN && !$auth->acl_gets('a_group', 'a_groupadd', 'a_groupdel') && $row['ug_user_id'] != $user->data['user_id'])
            {
                $group_name = $user->lang['GROUP_UNDISCLOSED'];
                $u_group = '';
            }
            else
            {
                $group_name = ($row['group_type'] == GROUP_SPECIAL) ? $user->lang['G_' . $row['group_name']] : $row['group_name'];
                $u_group = append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=group&amp;g=' . $row['group_id']);
            }

            $rank_title = $rank_img = '';
            get_user_rank($row['user_rank'], (($row['user_id'] == ANONYMOUS) ? false : $row['user_posts']), $rank_title, $rank_img, $rank_img_src);

            $template->assign_block_vars($which_row, array(
                'USER_AVATAR'   => get_user_avatar($row['user_avatar'], $row['user_avatar_type'], $row['user_avatar_width'], $row['user_avatar_height']),
                'USER_ID'       => $row['user_id'],
                'FORUMS'        => $s_forum_select,
                'RANK_TITLE'    => $rank_title,
                'GROUP_NAME'    => $group_name,
                'GROUP_COLOR'   => $row['group_colour'],

                'RANK_IMG'      => $rank_img,
                'RANK_IMG_SRC'  => $rank_img_src,

                'U_GROUP'           => $u_group,
                'U_PM'              => ($config['allow_privmsg'] && $auth->acl_get('u_sendpm') && ($row['user_allow_pm'] || $auth->acl_gets('a_', 'm_') || $auth->acl_getf_global('m_'))) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&amp;mode=compose&amp;u=' . $row['user_id']) : '',

                'USERNAME_FULL'     => get_username_string('full', $row['user_id'], $row['username'], $row['user_colour']),
                'USERNAME'          => get_username_string('username', $row['user_id'], $row['username'], $row['user_colour']),
                'USER_COLOR'        => get_username_string('colour', $row['user_id'], $row['username'], $row['user_colour']),
                'U_VIEW_PROFILE'    => get_username_string('profile', $row['user_id'], $row['username'], $row['user_colour']),
            ));
        }
        $db->sql_freeresult($result);

        $template->assign_vars(array(
            'PM_IMG'        => $user->img('icon_contact_pm', $user->lang['SEND_PRIVATE_MESSAGE']))
        );
    break;

    case 'contact':

        $page_title = $user->lang['IM_USER'];
        $template_html = 'memberlist_im.html';

        if (!$auth->acl_get('u_sendim'))
        {
            trigger_error('NOT_AUTHORISED');
        }

        $presence_img = '';
        switch ($action)
        {
            case 'aim':
                $lang = 'AIM';
                $sql_field = 'user_aim';
                $s_select = 'S_SEND_AIM';
                $s_action = '';
            break;

            case 'msnm':
                $lang = 'MSNM';
                $sql_field = 'user_msnm';
                $s_select = 'S_SEND_MSNM';
                $s_action = '';
            break;

            case 'jabber':
                $lang = 'JABBER';
                $sql_field = 'user_jabber';
                $s_select = (@extension_loaded('xml') && $config['jab_enable']) ? 'S_SEND_JABBER' : 'S_NO_SEND_JABBER';
                $s_action = append_sid("{$phpbb_root_path}memberlist.$phpEx", "mode=contact&amp;action=$action&amp;u=$user_id");
            break;

            default:
                trigger_error('NO_MODE', E_USER_ERROR);
            break;
        }

        // Grab relevant data
        $sql = "SELECT user_id, username, user_email, user_lang, $sql_field
            FROM " . USERS_TABLE . "
            WHERE user_id = $user_id
                AND user_type IN (" . USER_NORMAL . ', ' . USER_FOUNDER . ')';
        $result = $db->sql_query($sql);
        $row = $db->sql_fetchrow($result);
        $db->sql_freeresult($result);

        if (!$row)
        {
            trigger_error('NO_USER');
        }
        else if (empty($row[$sql_field]))
        {
            trigger_error('IM_NO_DATA');
        }

        // Post data grab actions
        switch ($action)
        {
            case 'jabber':
                add_form_key('memberlist_messaging');

                if ($submit && @extension_loaded('xml') && $config['jab_enable'])
                {
                    if (check_form_key('memberlist_messaging'))
                    {

                        include_once($phpbb_root_path . 'includes/functions_messenger.' . $phpEx);

                        $subject = sprintf($user->lang['IM_JABBER_SUBJECT'], $user->data['username'], $config['server_name']);
                        $message = utf8_normalize_nfc(request_var('message', '', true));

                        if (empty($message))
                        {
                            trigger_error('EMPTY_MESSAGE_IM');
                        }

                        $messenger = new messenger(false);

                        $messenger->template('profile_send_im', $row['user_lang']);
                        $messenger->subject(htmlspecialchars_decode($subject));

                        $messenger->replyto($user->data['user_email']);
                        $messenger->im($row['user_jabber'], $row['username']);

                        $messenger->assign_vars(array(
                            'BOARD_CONTACT' => $config['board_contact'],
                            'FROM_USERNAME' => htmlspecialchars_decode($user->data['username']),
                            'TO_USERNAME'   => htmlspecialchars_decode($row['username']),
                            'MESSAGE'       => htmlspecialchars_decode($message))
                        );

                        $messenger->send(NOTIFY_IM);

                        $s_select = 'S_SENT_JABBER';
                    }
                    else
                    {
                        trigger_error('FORM_INVALID');
                    }
                }
            break;
        }

        // Send vars to the template
        $template->assign_vars(array(
            'IM_CONTACT'    => $row[$sql_field],
            'A_IM_CONTACT'  => addslashes($row[$sql_field]),

            'U_AIM_CONTACT' => ($action == 'aim') ? 'aim:addbuddy?screenname=' . urlencode($row[$sql_field]) : '',
            'U_AIM_MESSAGE' => ($action == 'aim') ? 'aim:goim?screenname=' . urlencode($row[$sql_field]) . '&amp;message=' . urlencode($config['sitename']) : '',

            'USERNAME'      => $row['username'],
            'CONTACT_NAME'  => $row[$sql_field],
            'SITENAME'      => $config['sitename'],

            'PRESENCE_IMG'      => $presence_img,

            'L_SEND_IM_EXPLAIN' => $user->lang['IM_' . $lang],
            'L_IM_SENT_JABBER'  => sprintf($user->lang['IM_SENT_JABBER'], $row['username']),

            $s_select           => true,
            'S_IM_ACTION'       => $s_action)
        );

    break;

    case 'viewprofile':
        // Display a profile
        if ($user_id == ANONYMOUS && !$username)
        {
            trigger_error('NO_USER');
        }

        // Get user...
        $sql = 'SELECT *
            FROM ' . USERS_TABLE . '
            WHERE ' . (($username) ? "username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'" : "user_id = $user_id");
        $result = $db->sql_query($sql);
        $member = $db->sql_fetchrow($result);
        $db->sql_freeresult($result);

        if (!$member)
        {
            trigger_error('NO_USER');
        }

        // a_user admins and founder are able to view inactive users and bots to be able to manage them more easily
        // Normal users are able to see at least users having only changed their profile settings but not yet reactivated.
        if (!$auth->acl_get('a_user') && $user->data['user_type'] != USER_FOUNDER)
        {
            if ($member['user_type'] == USER_IGNORE)
            {
                trigger_error('NO_USER');
            }
            else if ($member['user_type'] == USER_INACTIVE && $member['user_inactive_reason'] != INACTIVE_PROFILE)
            {
                trigger_error('NO_USER');
            }
        }

        $user_id = (int) $member['user_id'];

        // Get group memberships
        // Also get visiting user's groups to determine hidden group memberships if necessary.
        $auth_hidden_groups = ($user_id === (int) $user->data['user_id'] || $auth->acl_gets('a_group', 'a_groupadd', 'a_groupdel')) ? true : false;
        $sql_uid_ary = ($auth_hidden_groups) ? array($user_id) : array($user_id, (int) $user->data['user_id']);

        // Do the SQL thang
        $sql = 'SELECT g.group_id, g.group_name, g.group_type, ug.user_id
            FROM ' . GROUPS_TABLE . ' g, ' . USER_GROUP_TABLE . ' ug
            WHERE ' . $db->sql_in_set('ug.user_id', $sql_uid_ary) . '
                AND g.group_id = ug.group_id
                AND ug.user_pending = 0';
        $result = $db->sql_query($sql);

        // Divide data into profile data and current user data
        $profile_groups = $user_groups = array();
        while ($row = $db->sql_fetchrow($result))
        {
            $row['user_id'] = (int) $row['user_id'];
            $row['group_id'] = (int) $row['group_id'];

            if ($row['user_id'] == $user_id)
            {
                $profile_groups[] = $row;
            }
            else
            {
                $user_groups[$row['group_id']] = $row['group_id'];
            }
        }
        $db->sql_freeresult($result);

        // Filter out hidden groups and sort groups by name
        $group_data = $group_sort = array();
        foreach ($profile_groups as $row)
        {
            if ($row['group_type'] == GROUP_SPECIAL)
            {
                // Lookup group name in language dictionary
                if (isset($user->lang['G_' . $row['group_name']]))
                {
                    $row['group_name'] = $user->lang['G_' . $row['group_name']];
                }
            }
            else if (!$auth_hidden_groups && $row['group_type'] == GROUP_HIDDEN && !isset($user_groups[$row['group_id']]))
            {
                // Skip over hidden groups the user cannot see
                continue;
            }

            $group_sort[$row['group_id']] = utf8_clean_string($row['group_name']);
            $group_data[$row['group_id']] = $row;
        }
        unset($profile_groups);
        unset($user_groups);
        asort($group_sort);

        $group_options = '';
        foreach ($group_sort as $group_id => $null)
        {
            $row = $group_data[$group_id];

            $group_options .= '<option value="' . $row['group_id'] . '"' . (($row['group_id'] == $member['group_id']) ? ' selected="selected"' : '') . '>' . $row['group_name'] . '</option>';
        }
        unset($group_data);
        unset($group_sort);

        // What colour is the zebra
        $sql = 'SELECT friend, foe
            FROM ' . ZEBRA_TABLE . "
            WHERE zebra_id = $user_id
                AND user_id = {$user->data['user_id']}";

        $result = $db->sql_query($sql);
        $row = $db->sql_fetchrow($result);
        $foe = ($row['foe']) ? true : false;
        $friend = ($row['friend']) ? true : false;
        $db->sql_freeresult($result);

        if ($config['load_onlinetrack'])
        {
            $sql = 'SELECT MAX(session_time) AS session_time, MIN(session_viewonline) AS session_viewonline
                FROM ' . SESSIONS_TABLE . "
                WHERE session_user_id = $user_id";
            $result = $db->sql_query($sql);
            $row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);

            $member['session_time'] = (isset($row['session_time'])) ? $row['session_time'] : 0;
            $member['session_viewonline'] = (isset($row['session_viewonline'])) ? $row['session_viewonline'] :  0;
            unset($row);
        }

        if ($config['load_user_activity'])
        {
            display_user_activity($member);
        }

        // Do the relevant calculations
        $memberdays = max(1, round((time() - $member['user_regdate']) / 86400));
        $posts_per_day = $member['user_posts'] / $memberdays;
        $percentage = ($config['num_posts']) ? min(100, ($member['user_posts'] / $config['num_posts']) * 100) : 0;


        if ($member['user_sig'])
        {
            $member['user_sig'] = censor_text($member['user_sig']);

            if ($member['user_sig_bbcode_bitfield'])
            {
                include_once($phpbb_root_path . 'includes/bbcode.' . $phpEx);
                $bbcode = new bbcode();
                $bbcode->bbcode_second_pass($member['user_sig'], $member['user_sig_bbcode_uid'], $member['user_sig_bbcode_bitfield']);
            }

            $member['user_sig'] = bbcode_nl2br($member['user_sig']);
            $member['user_sig'] = smiley_text($member['user_sig']);
        }

        $poster_avatar = get_user_avatar($member['user_avatar'], $member['user_avatar_type'], $member['user_avatar_width'], $member['user_avatar_height']);

        // We need to check if the modules 'zebra' ('friends' & 'foes' mode),  'notes' ('user_notes' mode) and  'warn' ('warn_user' mode) are accessible to decide if we can display appropriate links
        $zebra_enabled = $friends_enabled = $foes_enabled = $user_notes_enabled = $warn_user_enabled = false;

        // Only check if the user is logged in
        if ($user->data['is_registered'])
        {
            if (!class_exists('p_master'))
            {
                include($phpbb_root_path . 'includes/functions_module.' . $phpEx);
            }
            $module = new p_master();

            $module->list_modules('ucp');
            $module->list_modules('mcp');

            $user_notes_enabled = ($module->loaded('notes', 'user_notes')) ? true : false;
            $warn_user_enabled = ($module->loaded('warn', 'warn_user')) ? true : false;
            $zebra_enabled = ($module->loaded('zebra')) ? true : false;
            $friends_enabled = ($module->loaded('zebra', 'friends')) ? true : false;
            $foes_enabled = ($module->loaded('zebra', 'foes')) ? true : false;

            unset($module);
        }

        $template->assign_vars(show_profile($member, $user_notes_enabled, $warn_user_enabled));

        // Custom Profile Fields
        $profile_fields = array();
        if ($config['load_cpf_viewprofile'])
        {
            include_once($phpbb_root_path . 'includes/functions_profile_fields.' . $phpEx);
            $cp = new custom_profile();
            $profile_fields = $cp->generate_profile_fields_template('grab', $user_id);
            $profile_fields = (isset($profile_fields[$user_id])) ? $cp->generate_profile_fields_template('show', false, $profile_fields[$user_id]) : array();
        }

        // If the user has m_approve permission or a_user permission, then list then display unapproved posts
        if ($auth->acl_getf_global('m_approve') || $auth->acl_get('a_user'))
        {
            $sql = 'SELECT COUNT(post_id) as posts_in_queue
                FROM ' . POSTS_TABLE . '
                WHERE poster_id = ' . $user_id . '
                    AND post_approved = 0';
            $result = $db->sql_query($sql);
            $member['posts_in_queue'] = (int) $db->sql_fetchfield('posts_in_queue');
            $db->sql_freeresult($result);
        }
        else
        {
            $member['posts_in_queue'] = 0;
        }

        $template->assign_vars(array(
            'L_POSTS_IN_QUEUE'  => $user->lang('NUM_POSTS_IN_QUEUE', $member['posts_in_queue']),

            'POSTS_DAY'         => sprintf($user->lang['POST_DAY'], $posts_per_day),
            'POSTS_PCT'         => sprintf($user->lang['POST_PCT'], $percentage),

            'OCCUPATION'    => (!empty($member['user_occ'])) ? censor_text($member['user_occ']) : '',
            'INTERESTS'     => (!empty($member['user_interests'])) ? censor_text($member['user_interests']) : '',
            'SIGNATURE'     => $member['user_sig'],
            'POSTS_IN_QUEUE'=> $member['posts_in_queue'],

            'AVATAR_IMG'    => $poster_avatar,
            'PM_IMG'        => $user->img('icon_contact_pm', $user->lang['SEND_PRIVATE_MESSAGE']),
            'EMAIL_IMG'     => $user->img('icon_contact_email', $user->lang['EMAIL']),
            'WWW_IMG'       => $user->img('icon_contact_www', $user->lang['WWW']),
            'ICQ_IMG'       => $user->img('icon_contact_icq', $user->lang['ICQ']),
            'AIM_IMG'       => $user->img('icon_contact_aim', $user->lang['AIM']),
            'MSN_IMG'       => $user->img('icon_contact_msnm', $user->lang['MSNM']),
            'YIM_IMG'       => $user->img('icon_contact_yahoo', $user->lang['YIM']),
            'JABBER_IMG'    => $user->img('icon_contact_jabber', $user->lang['JABBER']),
            'SEARCH_IMG'    => $user->img('icon_user_search', $user->lang['SEARCH']),

            'S_PROFILE_ACTION'  => append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=group'),
            'S_GROUP_OPTIONS'   => $group_options,
            'S_CUSTOM_FIELDS'   => (isset($profile_fields['row']) && sizeof($profile_fields['row'])) ? true : false,

            'U_USER_ADMIN'          => ($auth->acl_get('a_user')) ? append_sid("{$phpbb_root_path}adm/index.$phpEx", 'i=users&amp;mode=overview&amp;u=' . $user_id, true, $user->session_id) : '',
            'U_USER_BAN'            => ($auth->acl_get('m_ban') && $user_id != $user->data['user_id']) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=ban&amp;mode=user&amp;u=' . $user_id, true, $user->session_id) : '',
            'U_MCP_QUEUE'           => ($auth->acl_getf_global('m_approve')) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=queue', true, $user->session_id) : '',

            'U_SWITCH_PERMISSIONS'  => ($auth->acl_get('a_switchperm') && $user->data['user_id'] != $user_id) ? append_sid("{$phpbb_root_path}ucp.$phpEx", "mode=switch_perm&amp;u={$user_id}&amp;hash=" . generate_link_hash('switchperm')) : '',

            'S_USER_NOTES'      => ($user_notes_enabled) ? true : false,
            'S_WARN_USER'       => ($warn_user_enabled) ? true : false,
            'S_ZEBRA'           => ($user->data['user_id'] != $user_id && $user->data['is_registered'] && $zebra_enabled) ? true : false,
            'U_ADD_FRIEND'      => (!$friend && !$foe && $friends_enabled) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=zebra&amp;add=' . urlencode(htmlspecialchars_decode($member['username']))) : '',
            'U_ADD_FOE'         => (!$friend && !$foe && $foes_enabled) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=zebra&amp;mode=foes&amp;add=' . urlencode(htmlspecialchars_decode($member['username']))) : '',
            'U_REMOVE_FRIEND'   => ($friend && $friends_enabled) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=zebra&amp;remove=1&amp;usernames[]=' . $user_id) : '',
            'U_REMOVE_FOE'      => ($foe && $foes_enabled) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=zebra&amp;remove=1&amp;mode=foes&amp;usernames[]=' . $user_id) : '',
        ));

        if (!empty($profile_fields['row']))
        {
            $template->assign_vars($profile_fields['row']);
        }

        if (!empty($profile_fields['blockrow']))
        {
            foreach ($profile_fields['blockrow'] as $field_data)
            {
                $template->assign_block_vars('custom_fields', $field_data);
            }
        }

        // Inactive reason/account?
        if ($member['user_type'] == USER_INACTIVE)
        {
            $user->add_lang('acp/common');

            $inactive_reason = $user->lang['INACTIVE_REASON_UNKNOWN'];

            switch ($member['user_inactive_reason'])
            {
                case INACTIVE_REGISTER:
                    $inactive_reason = $user->lang['INACTIVE_REASON_REGISTER'];
                break;

                case INACTIVE_PROFILE:
                    $inactive_reason = $user->lang['INACTIVE_REASON_PROFILE'];
                break;

                case INACTIVE_MANUAL:
                    $inactive_reason = $user->lang['INACTIVE_REASON_MANUAL'];
                break;

                case INACTIVE_REMIND:
                    $inactive_reason = $user->lang['INACTIVE_REASON_REMIND'];
                break;
            }

            $template->assign_vars(array(
                'S_USER_INACTIVE'       => true,
                'USER_INACTIVE_REASON'  => $inactive_reason)
            );
        }

        // Now generate page title
        $page_title = sprintf($user->lang['VIEWING_PROFILE'], $member['username']);
        $template_html = 'memberlist_view.html';

    break;

    case 'email':

        // Send an email
        $page_title = $user->lang['SEND_EMAIL'];
        $template_html = 'memberlist_email.html';

        add_form_key('memberlist_email');

        if (!$config['email_enable'])
        {
            trigger_error('EMAIL_DISABLED');
        }

        if (!$auth->acl_get('u_sendemail'))
        {
            trigger_error('NO_EMAIL');
        }

        // Are we trying to abuse the facility?
        if (time() - $user->data['user_emailtime'] < $config['flood_interval'])
        {
            trigger_error('FLOOD_EMAIL_LIMIT');
        }

        // Determine action...
        $user_id = request_var('u', 0);
        $topic_id = request_var('t', 0);

        // Send email to user...
        if ($user_id)
        {
            if ($user_id == ANONYMOUS || !$config['board_email_form'])
            {
                trigger_error('NO_EMAIL');
            }

            // Get the appropriate username, etc.
            $sql = 'SELECT username, user_email, user_allow_viewemail, user_lang, user_jabber, user_notify_type
                FROM ' . USERS_TABLE . "
                WHERE user_id = $user_id
                    AND user_type IN (" . USER_NORMAL . ', ' . USER_FOUNDER . ')';
            $result = $db->sql_query($sql);
            $row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);

            if (!$row)
            {
                trigger_error('NO_USER');
            }

            // Can we send email to this user?
            if (!$row['user_allow_viewemail'] && !$auth->acl_get('a_user'))
            {
                trigger_error('NO_EMAIL');
            }
        }
        else if ($topic_id)
        {
            // Send topic heads-up to email address
            $sql = 'SELECT forum_id, topic_title
                FROM ' . TOPICS_TABLE . "
                WHERE topic_id = $topic_id";
            $result = $db->sql_query($sql);
            $row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);

            if (!$row)
            {
                trigger_error('NO_TOPIC');
            }

            if ($row['forum_id'])
            {
                if (!$auth->acl_get('f_read', $row['forum_id']))
                {
                    trigger_error('SORRY_AUTH_READ');
                }

                if (!$auth->acl_get('f_email', $row['forum_id']))
                {
                    trigger_error('NO_EMAIL');
                }
            }
            else
            {
                // If global announcement, we need to check if the user is able to at least read and email in one forum...
                if (!$auth->acl_getf_global('f_read'))
                {
                    trigger_error('SORRY_AUTH_READ');
                }

                if (!$auth->acl_getf_global('f_email'))
                {
                    trigger_error('NO_EMAIL');
                }
            }
        }
        else
        {
            trigger_error('NO_EMAIL');
        }

        $error = array();

        $name       = utf8_normalize_nfc(request_var('name', '', true));
        $email      = request_var('email', '');
        $email_lang = request_var('lang', $config['default_lang']);
        $subject    = utf8_normalize_nfc(request_var('subject', '', true));
        $message    = utf8_normalize_nfc(request_var('message', '', true));
        $cc         = (isset($_POST['cc_email'])) ? true : false;
        $submit     = (isset($_POST['submit'])) ? true : false;

        if ($submit)
        {
            if (!check_form_key('memberlist_email'))
            {
                $error[] = 'FORM_INVALID';
            }
            if ($user_id)
            {
                if (!$subject)
                {
                    $error[] = $user->lang['EMPTY_SUBJECT_EMAIL'];
                }

                if (!$message)
                {
                    $error[] = $user->lang['EMPTY_MESSAGE_EMAIL'];
                }

                $name = $row['username'];
                $email_lang = $row['user_lang'];
                $email = $row['user_email'];
            }
            else
            {
                if (!$email || !preg_match('/^' . get_preg_expression('email') . '$/i', $email))
                {
                    $error[] = $user->lang['EMPTY_ADDRESS_EMAIL'];
                }

                if (!$name)
                {
                    $error[] = $user->lang['EMPTY_NAME_EMAIL'];
                }
            }

            if (!sizeof($error))
            {
                $sql = 'UPDATE ' . USERS_TABLE . '
                    SET user_emailtime = ' . time() . '
                    WHERE user_id = ' . $user->data['user_id'];
                $result = $db->sql_query($sql);

                include_once($phpbb_root_path . 'includes/functions_messenger.' . $phpEx);
                $messenger = new messenger(false);
                $email_tpl = ($user_id) ? 'profile_send_email' : 'email_notify';

                $mail_to_users = array();

                $mail_to_users[] = array(
                    'email_lang'        => $email_lang,
                    'email'             => $email,
                    'name'              => $name,
                    'username'          => ($user_id) ? $row['username'] : '',
                    'to_name'           => $name,
                    'user_jabber'       => ($user_id) ? $row['user_jabber'] : '',
                    'user_notify_type'  => ($user_id) ? $row['user_notify_type'] : NOTIFY_EMAIL,
                    'topic_title'       => (!$user_id) ? $row['topic_title'] : '',
                    'forum_id'          => (!$user_id) ? $row['forum_id'] : 0,
                );

                // Ok, now the same email if CC specified, but without exposing the users email address
                if ($cc)
                {
                    $mail_to_users[] = array(
                        'email_lang'        => $user->data['user_lang'],
                        'email'             => $user->data['user_email'],
                        'name'              => $user->data['username'],
                        'username'          => $user->data['username'],
                        'to_name'           => $name,
                        'user_jabber'       => $user->data['user_jabber'],
                        'user_notify_type'  => ($user_id) ? $user->data['user_notify_type'] : NOTIFY_EMAIL,
                        'topic_title'       => (!$user_id) ? $row['topic_title'] : '',
                        'forum_id'          => (!$user_id) ? $row['forum_id'] : 0,
                    );
                }

                foreach ($mail_to_users as $row)
                {
                    $messenger->template($email_tpl, $row['email_lang']);
                    $messenger->replyto($user->data['user_email']);
                    $messenger->to($row['email'], $row['name']);

                    if ($user_id)
                    {
                        $messenger->subject(htmlspecialchars_decode($subject));
                        $messenger->im($row['user_jabber'], $row['username']);
                        $notify_type = $row['user_notify_type'];
                    }
                    else
                    {
                        $notify_type = NOTIFY_EMAIL;
                    }

                    $messenger->headers('X-AntiAbuse: Board servername - ' . $config['server_name']);
                    $messenger->headers('X-AntiAbuse: User_id - ' . $user->data['user_id']);
                    $messenger->headers('X-AntiAbuse: Username - ' . $user->data['username']);
                    $messenger->headers('X-AntiAbuse: User IP - ' . $user->ip);

                    $messenger->assign_vars(array(
                        'BOARD_CONTACT' => $config['board_contact'],
                        'TO_USERNAME'   => htmlspecialchars_decode($row['to_name']),
                        'FROM_USERNAME' => htmlspecialchars_decode($user->data['username']),
                        'MESSAGE'       => htmlspecialchars_decode($message))
                    );

                    if ($topic_id)
                    {
                        $messenger->assign_vars(array(
                            'TOPIC_NAME'    => htmlspecialchars_decode($row['topic_title']),
                            'U_TOPIC'       => generate_board_url() . "/viewtopic.$phpEx?f=" . $row['forum_id'] . "&t=$topic_id")
                        );
                    }

                    $messenger->send($notify_type);
                }

                meta_refresh(3, append_sid("{$phpbb_root_path}index.$phpEx"));
                $message = ($user_id) ? sprintf($user->lang['RETURN_INDEX'], '<a href="' . append_sid("{$phpbb_root_path}index.$phpEx") . '">', '</a>') : sprintf($user->lang['RETURN_TOPIC'],  '<a href="' . append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f={$row['forum_id']}&amp;t=$topic_id") . '">', '</a>');
                trigger_error($user->lang['EMAIL_SENT'] . '<br /><br />' . $message);
            }
        }

        if ($user_id)
        {
            $template->assign_vars(array(
                'S_SEND_USER'   => true,
                'USERNAME'      => $row['username'],

                'L_EMAIL_BODY_EXPLAIN'  => $user->lang['EMAIL_BODY_EXPLAIN'],
                'S_POST_ACTION'         => append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=email&amp;u=' . $user_id))
            );
        }
        else
        {
            $template->assign_vars(array(
                'EMAIL'             => $email,
                'NAME'              => $name,
                'S_LANG_OPTIONS'    => language_select($email_lang),

                'L_EMAIL_BODY_EXPLAIN'  => $user->lang['EMAIL_TOPIC_EXPLAIN'],
                'S_POST_ACTION'         => append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=email&amp;t=' . $topic_id))
            );
        }

        $template->assign_vars(array(
            'ERROR_MESSAGE'     => (sizeof($error)) ? implode('<br />', $error) : '',
            'SUBJECT'           => $subject,
            'MESSAGE'           => $message,
            )
        );

    break;

    case 'group':
    default:
        // The basic memberlist
        $page_title = $user->lang['MEMBERLIST'];
        $template_html = 'memberlist_body.html';

        // Sorting
        $sort_key_text = array('a' => $user->lang['SORT_USERNAME'], 'b' => $user->lang['SORT_LOCATION'], 'c' => $user->lang['SORT_JOINED'], 'd' => $user->lang['SORT_POST_COUNT'], 'f' => $user->lang['WEBSITE'], 'g' => $user->lang['ICQ'], 'h' => $user->lang['AIM'], 'i' => $user->lang['MSNM'], 'j' => $user->lang['YIM'], 'k' => $user->lang['JABBER']);
        $sort_key_sql = array('a' => 'u.username_clean', 'b' => 'u.user_from', 'c' => 'u.user_regdate', 'd' => 'u.user_posts', 'f' => 'u.user_website', 'g' => 'u.user_icq', 'h' => 'u.user_aim', 'i' => 'u.user_msnm', 'j' => 'u.user_yim', 'k' => 'u.user_jabber');

        if ($auth->acl_get('a_user'))
        {
            $sort_key_text['e'] = $user->lang['SORT_EMAIL'];
            $sort_key_sql['e'] = 'u.user_email';
        }

        if ($auth->acl_get('u_viewonline'))
        {
            $sort_key_text['l'] = $user->lang['SORT_LAST_ACTIVE'];
            $sort_key_sql['l'] = 'u.user_lastvisit';
        }

        $sort_key_text['m'] = $user->lang['SORT_RANK'];
        $sort_key_sql['m'] = 'u.user_rank';

        $sort_dir_text = array('a' => $user->lang['ASCENDING'], 'd' => $user->lang['DESCENDING']);

        $s_sort_key = '';
        foreach ($sort_key_text as $key => $value)
        {
            $selected = ($sort_key == $key) ? ' selected="selected"' : '';
            $s_sort_key .= '<option value="' . $key . '"' . $selected . '>' . $value . '</option>';
        }

        $s_sort_dir = '';
        foreach ($sort_dir_text as $key => $value)
        {
            $selected = ($sort_dir == $key) ? ' selected="selected"' : '';
            $s_sort_dir .= '<option value="' . $key . '"' . $selected . '>' . $value . '</option>';
        }

        // Additional sorting options for user search ... if search is enabled, if not
        // then only admins can make use of this (for ACP functionality)
        $sql_select = $sql_where_data = $sql_from = $sql_where = $order_by = '';


        $form           = request_var('form', '');
        $field          = request_var('field', '');
        $select_single  = request_var('select_single', false);

        // Search URL parameters, if any of these are in the URL we do a search
        $search_params = array('username', 'email', 'icq', 'aim', 'yahoo', 'msn', 'jabber', 'search_group_id', 'joined_select', 'active_select', 'count_select', 'joined', 'active', 'count', 'ip');

        // We validate form and field here, only id/class allowed
        $form = (!preg_match('/^[a-z0-9_-]+$/i', $form)) ? '' : $form;
        $field = (!preg_match('/^[a-z0-9_-]+$/i', $field)) ? '' : $field;
        if (($mode == 'searchuser' || sizeof(array_intersect(array_keys($_GET), $search_params)) > 0) && ($config['load_search'] || $auth->acl_get('a_')))
        {
            $username   = request_var('username', '', true);
            $email      = strtolower(request_var('email', ''));
            $icq        = request_var('icq', '');
            $aim        = request_var('aim', '');
            $yahoo      = request_var('yahoo', '');
            $msn        = request_var('msn', '');
            $jabber     = request_var('jabber', '');
            $search_group_id    = request_var('search_group_id', 0);

            // when using these, make sure that we actually have values defined in $find_key_match
            $joined_select  = request_var('joined_select', 'lt');
            $active_select  = request_var('active_select', 'lt');
            $count_select   = request_var('count_select', 'eq');

            $joined         = explode('-', request_var('joined', ''));
            $active         = explode('-', request_var('active', ''));
            $count          = (request_var('count', '') !== '') ? request_var('count', 0) : '';
            $ipdomain       = request_var('ip', '');

            $find_key_match = array('lt' => '<', 'gt' => '>', 'eq' => '=');

            $find_count = array('lt' => $user->lang['LESS_THAN'], 'eq' => $user->lang['EQUAL_TO'], 'gt' => $user->lang['MORE_THAN']);
            $s_find_count = '';
            foreach ($find_count as $key => $value)
            {
                $selected = ($count_select == $key) ? ' selected="selected"' : '';
                $s_find_count .= '<option value="' . $key . '"' . $selected . '>' . $value . '</option>';
            }

            $find_time = array('lt' => $user->lang['BEFORE'], 'gt' => $user->lang['AFTER']);
            $s_find_join_time = '';
            foreach ($find_time as $key => $value)
            {
                $selected = ($joined_select == $key) ? ' selected="selected"' : '';
                $s_find_join_time .= '<option value="' . $key . '"' . $selected . '>' . $value . '</option>';
            }

            $s_find_active_time = '';
            foreach ($find_time as $key => $value)
            {
                $selected = ($active_select == $key) ? ' selected="selected"' : '';
                $s_find_active_time .= '<option value="' . $key . '"' . $selected . '>' . $value . '</option>';
            }

            $sql_where .= ($username) ? ' AND u.username_clean ' . $db->sql_like_expression(str_replace('*', $db->any_char, utf8_clean_string($username))) : '';
            $sql_where .= ($auth->acl_get('a_user') && $email) ? ' AND u.user_email ' . $db->sql_like_expression(str_replace('*', $db->any_char, $email)) . ' ' : '';
            $sql_where .= ($icq) ? ' AND u.user_icq ' . $db->sql_like_expression(str_replace('*', $db->any_char, $icq)) . ' ' : '';
            $sql_where .= ($aim) ? ' AND u.user_aim ' . $db->sql_like_expression(str_replace('*', $db->any_char, $aim)) . ' ' : '';
            $sql_where .= ($yahoo) ? ' AND u.user_yim ' . $db->sql_like_expression(str_replace('*', $db->any_char, $yahoo)) . ' ' : '';
            $sql_where .= ($msn) ? ' AND u.user_msnm ' . $db->sql_like_expression(str_replace('*', $db->any_char, $msn)) . ' ' : '';
            $sql_where .= ($jabber) ? ' AND u.user_jabber ' . $db->sql_like_expression(str_replace('*', $db->any_char, $jabber)) . ' ' : '';
            $sql_where .= (is_numeric($count) && isset($find_key_match[$count_select])) ? ' AND u.user_posts ' . $find_key_match[$count_select] . ' ' . (int) $count . ' ' : '';

            if (isset($find_key_match[$joined_select]) && sizeof($joined) == 3)
            {
                // Before PHP 5.1 an error value -1 can be returned instead of false.
                // Theoretically gmmktime() can also legitimately return -1 as an actual timestamp.
                // But since we do not pass the $second parameter to gmmktime(),
                // an actual unix timestamp -1 cannot be returned in this case.
                // Thus we can check whether it is -1 and treat -1 as an error.
                $joined_time = gmmktime(0, 0, 0, (int) $joined[1], (int) $joined[2], (int) $joined[0]);

                if ($joined_time !== false && $joined_time !== -1)
                {
                    $sql_where .= " AND u.user_regdate " . $find_key_match[$joined_select] . ' ' . $joined_time;
                }
            }

            if (isset($find_key_match[$active_select]) && sizeof($active) == 3 && $auth->acl_get('u_viewonline'))
            {
                $active_time = gmmktime(0, 0, 0, (int) $active[1], (int) $active[2], (int) $active[0]);

                if ($active_time !== false && $active_time !== -1)
                {
                    $sql_where .= " AND u.user_lastvisit " . $find_key_match[$active_select] . ' ' . $active_time;
                }
            }

            $sql_where .= ($search_group_id) ? " AND u.user_id = ug.user_id AND ug.group_id = $search_group_id AND ug.user_pending = 0 " : '';

            if ($search_group_id)
            {
                $sql_from = ', ' . USER_GROUP_TABLE . ' ug ';
            }

            if ($ipdomain && $auth->acl_getf_global('m_info'))
            {
                if (strspn($ipdomain, 'abcdefghijklmnopqrstuvwxyz'))
                {
                    $hostnames = gethostbynamel($ipdomain);

                    if ($hostnames !== false)
                    {
                        $ips = "'" . implode('\', \'', array_map(array($db, 'sql_escape'), preg_replace('#([0-9]{1,3}\.[0-9]{1,3}[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#', "\\1", gethostbynamel($ipdomain)))) . "'";
                    }
                    else
                    {
                        $ips = false;
                    }
                }
                else
                {
                    $ips = "'" . str_replace('*', '%', $db->sql_escape($ipdomain)) . "'";
                }

                if ($ips === false)
                {
                    // A minor fudge but it does the job :D
                    $sql_where .= " AND u.user_id = 0";
                }
                else
                {
                    $ip_forums = array_keys($auth->acl_getf('m_info', true));

                    $sql = 'SELECT DISTINCT poster_id
                        FROM ' . POSTS_TABLE . '
                        WHERE poster_ip ' . ((strpos($ips, '%') !== false) ? 'LIKE' : 'IN') . " ($ips)
                            AND forum_id IN (0, " . implode(', ', $ip_forums) . ')';
                    $result = $db->sql_query($sql);

                    if ($row = $db->sql_fetchrow($result))
                    {
                        $ip_sql = array();
                        do
                        {
                            $ip_sql[] = $row['poster_id'];
                        }
                        while ($row = $db->sql_fetchrow($result));

                        $sql_where .= ' AND ' . $db->sql_in_set('u.user_id', $ip_sql);
                    }
                    else
                    {
                        // A minor fudge but it does the job :D
                        $sql_where .= " AND u.user_id = 0";
                    }
                    unset($ip_forums);

                    $db->sql_freeresult($result);
                }
            }
        }

        $first_char = request_var('first_char', '');

        if ($first_char == 'other')
        {
            for ($i = 97; $i < 123; $i++)
            {
                $sql_where .= ' AND u.username_clean NOT ' . $db->sql_like_expression(chr($i) . $db->any_char);
            }
        }
        else if ($first_char)
        {
            $sql_where .= ' AND u.username_clean ' . $db->sql_like_expression(substr($first_char, 0, 1) . $db->any_char);
        }

        // Are we looking at a usergroup? If so, fetch additional info
        // and further restrict the user info query
        if ($mode == 'group')
        {
            // We JOIN here to save a query for determining membership for hidden groups. ;)
            $sql = 'SELECT g.*, ug.user_id
                FROM ' . GROUPS_TABLE . ' g
                LEFT JOIN ' . USER_GROUP_TABLE . ' ug ON (ug.user_pending = 0 AND ug.user_id = ' . $user->data['user_id'] . " AND ug.group_id = $group_id)
                WHERE g.group_id = $group_id";
            $result = $db->sql_query($sql);
            $group_row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);

            if (!$group_row)
            {
                trigger_error('NO_GROUP');
            }

            switch ($group_row['group_type'])
            {
                case GROUP_OPEN:
                    $group_row['l_group_type'] = 'OPEN';
                break;

                case GROUP_CLOSED:
                    $group_row['l_group_type'] = 'CLOSED';
                break;

                case GROUP_HIDDEN:
                    $group_row['l_group_type'] = 'HIDDEN';

                    // Check for membership or special permissions
                    if (!$auth->acl_gets('a_group', 'a_groupadd', 'a_groupdel') && $group_row['user_id'] != $user->data['user_id'])
                    {
                        trigger_error('NO_GROUP');
                    }
                break;

                case GROUP_SPECIAL:
                    $group_row['l_group_type'] = 'SPECIAL';
                break;

                case GROUP_FREE:
                    $group_row['l_group_type'] = 'FREE';
                break;
            }

            // Misusing the avatar function for displaying group avatars...
            $avatar_img = get_user_avatar($group_row['group_avatar'], $group_row['group_avatar_type'], $group_row['group_avatar_width'], $group_row['group_avatar_height'], 'GROUP_AVATAR');

            $rank_title = $rank_img = $rank_img_src = '';
            if ($group_row['group_rank'])
            {
                if (isset($ranks['special'][$group_row['group_rank']]))
                {
                    $rank_title = $ranks['special'][$group_row['group_rank']]['rank_title'];
                }
                $rank_img = (!empty($ranks['special'][$group_row['group_rank']]['rank_image'])) ? '<img src="' . $config['ranks_path'] . '/' . $ranks['special'][$group_row['group_rank']]['rank_image'] . '" alt="' . $ranks['special'][$group_row['group_rank']]['rank_title'] . '" title="' . $ranks['special'][$group_row['group_rank']]['rank_title'] . '" /><br />' : '';
                $rank_img_src = (!empty($ranks['special'][$group_row['group_rank']]['rank_image'])) ? $config['ranks_path'] . '/' . $ranks['special'][$group_row['group_rank']]['rank_image'] : '';
            }
            else
            {
                $rank_title = '';
                $rank_img = '';
                $rank_img_src = '';
            }

            $template->assign_vars(array(
                'GROUP_DESC'    => generate_text_for_display($group_row['group_desc'], $group_row['group_desc_uid'], $group_row['group_desc_bitfield'], $group_row['group_desc_options']),
                'GROUP_NAME'    => ($group_row['group_type'] == GROUP_SPECIAL) ? $user->lang['G_' . $group_row['group_name']] : $group_row['group_name'],
                'GROUP_COLOR'   => $group_row['group_colour'],
                'GROUP_TYPE'    => $user->lang['GROUP_IS_' . $group_row['l_group_type']],
                'GROUP_RANK'    => $rank_title,

                'AVATAR_IMG'    => $avatar_img,
                'RANK_IMG'      => $rank_img,
                'RANK_IMG_SRC'  => $rank_img_src,

                'U_PM'          => ($auth->acl_get('u_sendpm') && $auth->acl_get('u_masspm_group') && $group_row['group_receive_pm'] && $config['allow_privmsg'] && $config['allow_mass_pm']) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&amp;mode=compose&amp;g=' . $group_id) : '',)
            );

            $sql_select = ', ug.group_leader';
            $sql_from = ', ' . USER_GROUP_TABLE . ' ug ';
            $order_by = 'ug.group_leader DESC, ';

            $sql_where .= " AND ug.user_pending = 0 AND u.user_id = ug.user_id AND ug.group_id = $group_id";
            $sql_where_data = " AND u.user_id = ug.user_id AND ug.group_id = $group_id";
        }

        // Sorting and order
        if (!isset($sort_key_sql[$sort_key]))
        {
            $sort_key = $default_key;
        }

        $order_by .= $sort_key_sql[$sort_key] . ' ' . (($sort_dir == 'a') ? 'ASC' : 'DESC');

        // Unfortunately we must do this here for sorting by rank, else the sort order is applied wrongly
        if ($sort_key == 'm')
        {
            $order_by .= ', u.user_posts DESC';
        }

        // Count the users ...
        if ($sql_where)
        {
            $sql = 'SELECT COUNT(u.user_id) AS total_users
                FROM ' . USERS_TABLE . " u$sql_from
                WHERE u.user_type IN (" . USER_NORMAL . ', ' . USER_FOUNDER . ")
                $sql_where";
            $result = $db->sql_query($sql);
            $total_users = (int) $db->sql_fetchfield('total_users');
            $db->sql_freeresult($result);
        }
        else
        {
            $total_users = $config['num_users'];
        }

        $s_char_options = '<option value=""' . ((!$first_char) ? ' selected="selected"' : '') . '>&nbsp; &nbsp;</option>';
        for ($i = 97; $i < 123; $i++)
        {
            $s_char_options .= '<option value="' . chr($i) . '"' . (($first_char == chr($i)) ? ' selected="selected"' : '') . '>' . chr($i-32) . '</option>';
        }
        $s_char_options .= '<option value="other"' . (($first_char == 'other') ? ' selected="selected"' : '') . '>' . $user->lang['OTHER'] . '</option>';

        // Build a relevant pagination_url
        $params = $sort_params = array();

        // We do not use request_var() here directly to save some calls (not all variables are set)
        $check_params = array(
            'g'             => array('g', 0),
            'sk'            => array('sk', $default_key),
            'sd'            => array('sd', 'a'),
            'form'          => array('form', ''),
            'field'         => array('field', ''),
            'select_single' => array('select_single', $select_single),
            'username'      => array('username', '', true),
            'email'         => array('email', ''),
            'icq'           => array('icq', ''),
            'aim'           => array('aim', ''),
            'yahoo'         => array('yahoo', ''),
            'msn'           => array('msn', ''),
            'jabber'        => array('jabber', ''),
            'search_group_id'   => array('search_group_id', 0),
            'joined_select' => array('joined_select', 'lt'),
            'active_select' => array('active_select', 'lt'),
            'count_select'  => array('count_select', 'eq'),
            'joined'        => array('joined', ''),
            'active'        => array('active', ''),
            'count'         => (request_var('count', '') !== '') ? array('count', 0) : array('count', ''),
            'ip'            => array('ip', ''),
            'first_char'    => array('first_char', ''),
        );

        foreach ($check_params as $key => $call)
        {
            if (!isset($_REQUEST[$key]))
            {
                continue;
            }

            $param = call_user_func_array('request_var', $call);
            $param = urlencode($key) . '=' . ((is_string($param)) ? urlencode($param) : $param);
            $params[] = $param;

            if ($key != 'sk' && $key != 'sd')
            {
                $sort_params[] = $param;
            }
        }

        $u_hide_find_member = append_sid("{$phpbb_root_path}memberlist.$phpEx", "start=$start" . (!empty($params) ? '&amp;' . implode('&amp;', $params) : ''));

        if ($mode)
        {
            $params[] = "mode=$mode";
        }
        $sort_params[] = "mode=$mode";

        $pagination_url = append_sid("{$phpbb_root_path}memberlist.$phpEx", implode('&amp;', $params));
        $sort_url = append_sid("{$phpbb_root_path}memberlist.$phpEx", implode('&amp;', $sort_params));

        unset($search_params, $sort_params);

        // Some search user specific data
        if ($mode == 'searchuser' && ($config['load_search'] || $auth->acl_get('a_')))
        {
            $group_selected = request_var('search_group_id', 0);
            $s_group_select = '<option value="0"' . ((!$group_selected) ? ' selected="selected"' : '') . '>&nbsp;</option>';
            $group_ids = array();

            /**
            * @todo add this to a separate function (function is responsible for returning the groups the user is able to see based on the users group membership)
            */

            if ($auth->acl_gets('a_group', 'a_groupadd', 'a_groupdel'))
            {
                $sql = 'SELECT group_id, group_name, group_type
                    FROM ' . GROUPS_TABLE;

                if (!$config['coppa_enable'])
                {
                    $sql .= " WHERE group_name <> 'REGISTERED_COPPA'";
                }

                $sql .= ' ORDER BY group_name ASC';
            }
            else
            {
                $sql = 'SELECT g.group_id, g.group_name, g.group_type
                    FROM ' . GROUPS_TABLE . ' g
                    LEFT JOIN ' . USER_GROUP_TABLE . ' ug
                        ON (
                            g.group_id = ug.group_id
                            AND ug.user_id = ' . $user->data['user_id'] . '
                            AND ug.user_pending = 0
                        )
                    WHERE (g.group_type <> ' . GROUP_HIDDEN . ' OR ug.user_id = ' . $user->data['user_id'] . ')';

                if (!$config['coppa_enable'])
                {
                    $sql .= " AND g.group_name <> 'REGISTERED_COPPA'";
                }

                $sql .= ' ORDER BY g.group_name ASC';
            }
            $result = $db->sql_query($sql);

            while ($row = $db->sql_fetchrow($result))
            {
                $group_ids[] = $row['group_id'];
                $s_group_select .= '<option value="' . $row['group_id'] . '"' . (($group_selected == $row['group_id']) ? ' selected="selected"' : '') . '>' . (($row['group_type'] == GROUP_SPECIAL) ? $user->lang['G_' . $row['group_name']] : $row['group_name']) . '</option>';
            }
            $db->sql_freeresult($result);

            if ($group_selected !== 0 && !in_array($group_selected, $group_ids))
            {
                trigger_error('NO_GROUP');
            }

            $template->assign_vars(array(
                'USERNAME'  => $username,
                'EMAIL'     => $email,
                'ICQ'       => $icq,
                'AIM'       => $aim,
                'YAHOO'     => $yahoo,
                'MSNM'      => $msn,
                'JABBER'    => $jabber,
                'JOINED'    => implode('-', $joined),
                'ACTIVE'    => implode('-', $active),
                'COUNT'     => $count,
                'IP'        => $ipdomain,

                'S_IP_SEARCH_ALLOWED'   => ($auth->acl_getf_global('m_info')) ? true : false,
                'S_EMAIL_SEARCH_ALLOWED'=> ($auth->acl_get('a_user')) ? true : false,
                'S_IN_SEARCH_POPUP'     => ($form && $field) ? true : false,
                'S_SEARCH_USER'         => true,
                'S_FORM_NAME'           => $form,
                'S_FIELD_NAME'          => $field,
                'S_SELECT_SINGLE'       => $select_single,
                'S_COUNT_OPTIONS'       => $s_find_count,
                'S_SORT_OPTIONS'        => $s_sort_key,
                'S_JOINED_TIME_OPTIONS' => $s_find_join_time,
                'S_ACTIVE_TIME_OPTIONS' => $s_find_active_time,
                'S_GROUP_SELECT'        => $s_group_select,
                'S_USER_SEARCH_ACTION'  => append_sid("{$phpbb_root_path}memberlist.$phpEx", "mode=searchuser&amp;form=$form&amp;field=$field"))
            );
        }

        // Get us some users :D
        $sql = "SELECT u.user_id
            FROM " . USERS_TABLE . " u
                $sql_from
            WHERE u.user_type IN (" . USER_NORMAL . ', ' . USER_FOUNDER . ")
                $sql_where
            ORDER BY $order_by";
        $result = $db->sql_query_limit($sql, $config['topics_per_page'], $start);

        $user_list = array();
        while ($row = $db->sql_fetchrow($result))
        {
            $user_list[] = (int) $row['user_id'];
        }
        $db->sql_freeresult($result);
        $leaders_set = false;
        // So, did we get any users?
        if (sizeof($user_list))
        {
            // Session time?! Session time...
            $sql = 'SELECT session_user_id, MAX(session_time) AS session_time
                FROM ' . SESSIONS_TABLE . '
                WHERE session_time >= ' . (time() - $config['session_length']) . '
                    AND ' . $db->sql_in_set('session_user_id', $user_list) . '
                GROUP BY session_user_id';
            $result = $db->sql_query($sql);

            $session_times = array();
            while ($row = $db->sql_fetchrow($result))
            {
                $session_times[$row['session_user_id']] = $row['session_time'];
            }
            $db->sql_freeresult($result);

            // Do the SQL thang
            if ($mode == 'group')
            {
                $sql = "SELECT u.*
                        $sql_select
                    FROM " . USERS_TABLE . " u
                        $sql_from
                    WHERE " . $db->sql_in_set('u.user_id', $user_list) . "
                        $sql_where_data";
            }
            else
            {
                $sql = 'SELECT *
                    FROM ' . USERS_TABLE . '
                    WHERE ' . $db->sql_in_set('user_id', $user_list);
            }
            $result = $db->sql_query($sql);

            $id_cache = array();
            while ($row = $db->sql_fetchrow($result))
            {
                $row['session_time'] = (!empty($session_times[$row['user_id']])) ? $session_times[$row['user_id']] : 0;
                $row['last_visit'] = (!empty($row['session_time'])) ? $row['session_time'] : $row['user_lastvisit'];

                $id_cache[$row['user_id']] = $row;
            }
            $db->sql_freeresult($result);

            // Load custom profile fields
            if ($config['load_cpf_memberlist'])
            {
                include_once($phpbb_root_path . 'includes/functions_profile_fields.' . $phpEx);
                $cp = new custom_profile();

                // Grab all profile fields from users in id cache for later use - similar to the poster cache
                $profile_fields_cache = $cp->generate_profile_fields_template('grab', $user_list);
            }

            // If we sort by last active date we need to adjust the id cache due to user_lastvisit not being the last active date...
            if ($sort_key == 'l')
            {
//              uasort($id_cache, create_function('$first, $second', "return (\$first['last_visit'] == \$second['last_visit']) ? 0 : ((\$first['last_visit'] < \$second['last_visit']) ? $lesser_than : ($lesser_than * -1));"));
                usort($user_list,  '_sort_last_active');
            }

            for ($i = 0, $end = sizeof($user_list); $i < $end; ++$i)
            {
                $user_id = $user_list[$i];
                $row =& $id_cache[$user_id];
                $is_leader = (isset($row['group_leader']) && $row['group_leader']) ? true : false;
                $leaders_set = ($leaders_set || $is_leader);

                $cp_row = array();
                if ($config['load_cpf_memberlist'])
                {
                    $cp_row = (isset($profile_fields_cache[$user_id])) ? $cp->generate_profile_fields_template('show', false, $profile_fields_cache[$user_id]) : array();
                }

                $memberrow = array_merge(show_profile($row), array(
                    'ROW_NUMBER'        => $i + ($start + 1),

                    'S_CUSTOM_PROFILE'  => (isset($cp_row['row']) && sizeof($cp_row['row'])) ? true : false,
                    'S_GROUP_LEADER'    => $is_leader,

                    'U_VIEW_PROFILE'    => append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=viewprofile&amp;u=' . $user_id))
                );

                if (isset($cp_row['row']) && sizeof($cp_row['row']))
                {
                    $memberrow = array_merge($memberrow, $cp_row['row']);
                }

                $template->assign_block_vars('memberrow', $memberrow);

                if (isset($cp_row['blockrow']) && sizeof($cp_row['blockrow']))
                {
                    foreach ($cp_row['blockrow'] as $field_data)
                    {
                        $template->assign_block_vars('memberrow.custom_fields', $field_data);
                    }
                }

                unset($id_cache[$user_id]);
            }
        }

        // Generate page
        $template->assign_vars(array(
            'PAGINATION'    => generate_pagination($pagination_url, $total_users, $config['topics_per_page'], $start),
            'PAGE_NUMBER'   => on_page($total_users, $config['topics_per_page'], $start),
            'TOTAL_USERS'   => ($total_users == 1) ? $user->lang['LIST_USER'] : sprintf($user->lang['LIST_USERS'], $total_users),

            'PROFILE_IMG'   => $user->img('icon_user_profile', $user->lang['PROFILE']),
            'PM_IMG'        => $user->img('icon_contact_pm', $user->lang['SEND_PRIVATE_MESSAGE']),
            'EMAIL_IMG'     => $user->img('icon_contact_email', $user->lang['EMAIL']),
            'WWW_IMG'       => $user->img('icon_contact_www', $user->lang['WWW']),
            'ICQ_IMG'       => $user->img('icon_contact_icq', $user->lang['ICQ']),
            'AIM_IMG'       => $user->img('icon_contact_aim', $user->lang['AIM']),
            'MSN_IMG'       => $user->img('icon_contact_msnm', $user->lang['MSNM']),
            'YIM_IMG'       => $user->img('icon_contact_yahoo', $user->lang['YIM']),
            'JABBER_IMG'    => $user->img('icon_contact_jabber', $user->lang['JABBER']),
            'SEARCH_IMG'    => $user->img('icon_user_search', $user->lang['SEARCH']),

            'U_FIND_MEMBER'         => ($config['load_search'] || $auth->acl_get('a_')) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=searchuser' . (($start) ? "&amp;start=$start" : '') . (!empty($params) ? '&amp;' . implode('&amp;', $params) : '')) : '',
            'U_HIDE_FIND_MEMBER'    => ($mode == 'searchuser') ? $u_hide_find_member : '',
            'U_SORT_USERNAME'       => $sort_url . '&amp;sk=a&amp;sd=' . (($sort_key == 'a' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_FROM'           => $sort_url . '&amp;sk=b&amp;sd=' . (($sort_key == 'b' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_JOINED'         => $sort_url . '&amp;sk=c&amp;sd=' . (($sort_key == 'c' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_POSTS'          => $sort_url . '&amp;sk=d&amp;sd=' . (($sort_key == 'd' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_EMAIL'          => $sort_url . '&amp;sk=e&amp;sd=' . (($sort_key == 'e' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_WEBSITE'        => $sort_url . '&amp;sk=f&amp;sd=' . (($sort_key == 'f' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_LOCATION'       => $sort_url . '&amp;sk=b&amp;sd=' . (($sort_key == 'b' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_ICQ'            => $sort_url . '&amp;sk=g&amp;sd=' . (($sort_key == 'g' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_AIM'            => $sort_url . '&amp;sk=h&amp;sd=' . (($sort_key == 'h' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_MSN'            => $sort_url . '&amp;sk=i&amp;sd=' . (($sort_key == 'i' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_YIM'            => $sort_url . '&amp;sk=j&amp;sd=' . (($sort_key == 'j' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_SORT_ACTIVE'         => ($auth->acl_get('u_viewonline')) ? $sort_url . '&amp;sk=l&amp;sd=' . (($sort_key == 'l' && $sort_dir == 'a') ? 'd' : 'a') : '',
            'U_SORT_RANK'           => $sort_url . '&amp;sk=m&amp;sd=' . (($sort_key == 'm' && $sort_dir == 'a') ? 'd' : 'a'),
            'U_LIST_CHAR'           => $sort_url . '&amp;sk=a&amp;sd=' . (($sort_key == 'l' && $sort_dir == 'a') ? 'd' : 'a'),

            'S_SHOW_GROUP'      => ($mode == 'group') ? true : false,
            'S_VIEWONLINE'      => $auth->acl_get('u_viewonline'),
            'S_LEADERS_SET'     => $leaders_set,
            'S_MODE_SELECT'     => $s_sort_key,
            'S_ORDER_SELECT'    => $s_sort_dir,
            'S_CHAR_OPTIONS'    => $s_char_options,
            'S_MODE_ACTION'     => $pagination_url)
        );
}

// Output the page
page_header($page_title, false);

$template->set_filenames(array(
    'body' => $template_html)
);
make_jumpbox(append_sid("{$phpbb_root_path}viewforum.$phpEx"));

page_footer();

/**
* Prepare profile data
*/
function show_profile($data, $user_notes_enabled = false, $warn_user_enabled = false)
{
    global $config, $auth, $template, $user, $phpEx, $phpbb_root_path;

    $username = $data['username'];
    $user_id = $data['user_id'];

    $rank_title = $rank_img = $rank_img_src = '';
    get_user_rank($data['user_rank'], (($user_id == ANONYMOUS) ? false : $data['user_posts']), $rank_title, $rank_img, $rank_img_src);

    if ((!empty($data['user_allow_viewemail']) && $auth->acl_get('u_sendemail')) || $auth->acl_get('a_user'))
    {
        $email = ($config['board_email_form'] && $config['email_enable']) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=email&amp;u=' . $user_id) : (($config['board_hide_emails'] && !$auth->acl_get('a_user')) ? '' : 'mailto:' . $data['user_email']);
    }
    else
    {
        $email = '';
    }

    if ($config['load_onlinetrack'])
    {
        $update_time = $config['load_online_time'] * 60;
        $online = (time() - $update_time < $data['session_time'] && ((isset($data['session_viewonline']) && $data['session_viewonline']) || $auth->acl_get('u_viewonline'))) ? true : false;
    }
    else
    {
        $online = false;
    }

    if ($data['user_allow_viewonline'] || $auth->acl_get('u_viewonline'))
    {
        $last_visit = (!empty($data['session_time'])) ? $data['session_time'] : $data['user_lastvisit'];
    }
    else
    {
        $last_visit = '';
    }

    $age = '';

    if ($config['allow_birthdays'] && $data['user_birthday'])
    {
        list($bday_day, $bday_month, $bday_year) = array_map('intval', explode('-', $data['user_birthday']));

        if ($bday_year)
        {
            $now = getdate(time() + $user->timezone + $user->dst - date('Z'));

            $diff = $now['mon'] - $bday_month;
            if ($diff == 0)
            {
                $diff = ($now['mday'] - $bday_day < 0) ? 1 : 0;
            }
            else
            {
                $diff = ($diff < 0) ? 1 : 0;
            }

            $age = (int) ($now['year'] - $bday_year - $diff);
        }
    }

    // Dump it out to the template
    return array(
        'USER_AVATAR'       => get_user_avatar($data['user_avatar'], $data['user_avatar_type'], $data['user_avatar_width'], $data['user_avatar_height']),
        'USER_AVATAR_THUMB' => ($data['user_avatar']) ? get_user_avatar($data['user_avatar'], $data['user_avatar_type'], ($data['user_avatar_width'] > $data['user_avatar_height']) ? 25 : (25 / $data['user_avatar_height']) * $data['user_avatar_width'], ($data['user_avatar_height'] > $data['user_avatar_width']) ? 25 : (25 / $data['user_avatar_width']) * $data['user_avatar_height']) : '',
        'AGE'           => $age,
        'RANK_TITLE'    => $rank_title,
        'JOINED'        => $user->format_date($data['user_regdate']),
        'VISITED'       => (empty($last_visit)) ? ' - ' : $user->format_date($last_visit),
        'POSTS'         => ($data['user_posts']) ? $data['user_posts'] : 0,
        'WARNINGS'      => isset($data['user_warnings']) ? $data['user_warnings'] : 0,

        'USERNAME_FULL'     => get_username_string('full', $user_id, $username, $data['user_colour']),
        'USERNAME'          => get_username_string('username', $user_id, $username, $data['user_colour']),
        'USER_COLOR'        => get_username_string('colour', $user_id, $username, $data['user_colour']),
        'U_VIEW_PROFILE'    => get_username_string('profile', $user_id, $username, $data['user_colour']),

        'A_USERNAME'        => addslashes(get_username_string('username', $user_id, $username, $data['user_colour'])),

        'AVATAR_IMG'        => get_user_avatar($data['user_avatar'], $data['user_avatar_type'], $data['user_avatar_width'], $data['user_avatar_height']),
        'ONLINE_IMG'        => (!$config['load_onlinetrack']) ? '' : (($online) ? $user->img('icon_user_online', 'ONLINE') : $user->img('icon_user_offline', 'OFFLINE')),
        'S_ONLINE'          => ($config['load_onlinetrack'] && $online) ? true : false,
        'RANK_IMG'          => $rank_img,
        'RANK_IMG_SRC'      => $rank_img_src,
        'ICQ_STATUS_IMG'    => (!empty($data['user_icq'])) ? '<img src="http://web.icq.com/whitepages/online?icq=' . $data['user_icq'] . '&amp;img=5" width="18" height="18" />' : '',
        'S_JABBER_ENABLED'  => ($config['jab_enable']) ? true : false,

        'S_WARNINGS'    => ($auth->acl_getf_global('m_') || $auth->acl_get('m_warn')) ? true : false,

        'U_SEARCH_USER' => ($auth->acl_get('u_search')) ? append_sid("{$phpbb_root_path}search.$phpEx", "author_id=$user_id&amp;sr=posts") : '',
        'U_NOTES'       => ($user_notes_enabled && $auth->acl_getf_global('m_')) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=notes&amp;mode=user_notes&amp;u=' . $user_id, true, $user->session_id) : '',
        'U_WARN'        => ($warn_user_enabled && $auth->acl_get('m_warn')) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=warn&amp;mode=warn_user&amp;u=' . $user_id, true, $user->session_id) : '',
        'U_PM'          => ($config['allow_privmsg'] && $auth->acl_get('u_sendpm') && ($data['user_allow_pm'] || $auth->acl_gets('a_', 'm_') || $auth->acl_getf_global('m_'))) ? append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&amp;mode=compose&amp;u=' . $user_id) : '',
        'U_EMAIL'       => $email,
        'U_WWW'         => (!empty($data['user_website'])) ? $data['user_website'] : '',
        'U_SHORT_WWW'           => (!empty($data['user_website'])) ? ((strlen($data['user_website']) > 55) ? substr($data['user_website'], 0, 39) . ' ... ' . substr($data['user_website'], -10) : $data['user_website']) : '',
        'U_ICQ'         => ($data['user_icq']) ? 'http://www.icq.com/people/' . urlencode($data['user_icq']) . '/' : '',
        'U_AIM'         => ($data['user_aim'] && $auth->acl_get('u_sendim')) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=contact&amp;action=aim&amp;u=' . $user_id) : '',
        'U_YIM'         => ($data['user_yim']) ? 'http://edit.yahoo.com/config/send_webmesg?.target=' . urlencode($data['user_yim']) . '&amp;.src=pg' : '',
        'U_MSN'         => ($data['user_msnm'] && $auth->acl_get('u_sendim')) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=contact&amp;action=msnm&amp;u=' . $user_id) : '',
        'U_JABBER'      => ($data['user_jabber'] && $auth->acl_get('u_sendim')) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=contact&amp;action=jabber&amp;u=' . $user_id) : '',
        'LOCATION'      => ($data['user_from']) ? $data['user_from'] : '',

        'USER_ICQ'          => $data['user_icq'],
        'USER_AIM'          => $data['user_aim'],
        'USER_YIM'          => $data['user_yim'],
        'USER_MSN'          => $data['user_msnm'],
        'USER_JABBER'       => $data['user_jabber'],
        'USER_JABBER_IMG'   => ($data['user_jabber']) ? $user->img('icon_contact_jabber', $data['user_jabber']) : '',

        'L_VIEWING_PROFILE' => sprintf($user->lang['VIEWING_PROFILE'], $username),
    );
}

function _sort_last_active($first, $second)
{
    global $id_cache, $sort_dir;

    $lesser_than = ($sort_dir === 'd') ? -1 : 1;

    if (isset($id_cache[$first]['group_leader']) && $id_cache[$first]['group_leader'] && (!isset($id_cache[$second]['group_leader']) || !$id_cache[$second]['group_leader']))
    {
        return -1;
    }
    else if (isset($id_cache[$second]['group_leader']) && (!isset($id_cache[$first]['group_leader']) || !$id_cache[$first]['group_leader']) && $id_cache[$second]['group_leader'])
    {
        return 1;
    }
    else
    {
        return $lesser_than * (int) ($id_cache[$first]['last_visit'] - $id_cache[$second]['last_visit']);
    }
}

?>