Просмотр архива Даю вам свой форум (полный бек)


<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/

/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
    exit;
}

/**
* Handling actions in post details screen
*/
function mcp_post_details($id, $mode, $action)
{
    global $phpEx, $phpbb_root_path, $config;
    global $template, $db, $user, $auth, $cache;
    global $phpbb_dispatcher;

    $user->add_lang('posting');

    $post_id = request_var('p', 0);
    $start    = request_var('start', 0);

    // Get post data
    $post_info = phpbb_get_post_data(array($post_id), false, true);

    add_form_key('mcp_post_details');

    if (!sizeof($post_info))
    {
        trigger_error('POST_NOT_EXIST');
    }

    $post_info = $post_info[$post_id];
    $url = append_sid("{$phpbb_root_path}mcp.$phpEx?" . phpbb_extra_url());

    switch ($action)
    {
        case 'whois':

            if ($auth->acl_get('m_info', $post_info['forum_id']))
            {
                $ip = request_var('ip', '');
                include($phpbb_root_path . 'includes/functions_user.' . $phpEx);

                $template->assign_vars(array(
                    'RETURN_POST'    => sprintf($user->lang['RETURN_POST'], '<a href="' . append_sid("{$phpbb_root_path}mcp.$phpEx", "i=$id&amp;mode=$mode&amp;p=$post_id") . '">', '</a>'),
                    'U_RETURN_POST'    => append_sid("{$phpbb_root_path}mcp.$phpEx", "i=$id&amp;mode=$mode&amp;p=$post_id"),
                    'L_RETURN_POST'    => sprintf($user->lang['RETURN_POST'], '', ''),
                    'WHOIS'            => user_ipwhois($ip),
                ));
            }

            // We're done with the whois page so return
            return;

        break;

        case 'chgposter':
        case 'chgposter_ip':

            if ($action == 'chgposter')
            {
                $username = request_var('username', '', true);
                $sql_where = "username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'";
            }
            else
            {
                $new_user_id = request_var('u', 0);
                $sql_where = 'user_id = ' . $new_user_id;
            }

            $sql = 'SELECT *
                FROM ' . USERS_TABLE . '
                WHERE ' . $sql_where;
            $result = $db->sql_query($sql);
            $row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);

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

            if ($auth->acl_get('m_chgposter', $post_info['forum_id']))
            {
                if (check_form_key('mcp_post_details'))
                {
                    change_poster($post_info, $row);
                }
                else
                {
                    trigger_error('FORM_INVALID');
                }
            }

        break;

        default:

            /**
            * This event allows you to handle custom post moderation options
            *
            * @event core.mcp_post_additional_options
            * @var    string    action        Post moderation action name
            * @var    array    post_info    Information on the affected post
            * @since 3.1.5-RC1
            */
            $vars = array('action', 'post_info');
            extract($phpbb_dispatcher->trigger_event('core.mcp_post_additional_options', compact($vars)));

        break;
    }

    // Set some vars
    $users_ary = $usernames_ary = array();
    $attachments = $extensions = array();
    $post_id = $post_info['post_id'];
    $topic_tracking_info = array();

    // Get topic tracking info
    if ($config['load_db_lastread'])
    {
        $tmp_topic_data = array($post_info['topic_id'] => $post_info);
        $topic_tracking_info = get_topic_tracking($post_info['forum_id'], $post_info['topic_id'], $tmp_topic_data, array($post_info['forum_id'] => $post_info['forum_mark_time']));
        unset($tmp_topic_data);
    }
    else
    {
        $topic_tracking_info = get_complete_topic_tracking($post_info['forum_id'], $post_info['topic_id']);
    }

    $post_unread = (isset($topic_tracking_info[$post_info['topic_id']]) && $post_info['post_time'] > $topic_tracking_info[$post_info['topic_id']]) ? true : false;

    // Process message, leave it uncensored
    $parse_flags = ($post_info['bbcode_bitfield'] ? OPTION_FLAG_BBCODE : 0) | OPTION_FLAG_SMILIES;
    $message = generate_text_for_display($post_info['post_text'], $post_info['bbcode_uid'], $post_info['bbcode_bitfield'], $parse_flags, false);

    if ($post_info['post_attachment'] && $auth->acl_get('u_download') && $auth->acl_get('f_download', $post_info['forum_id']))
    {
        $extensions = $cache->obtain_attach_extensions($post_info['forum_id']);

        $sql = 'SELECT *
            FROM ' . ATTACHMENTS_TABLE . '
            WHERE post_msg_id = ' . $post_id . '
                AND in_message = 0
            ORDER BY filetime DESC, post_msg_id ASC';
        $result = $db->sql_query($sql);

        while ($row = $db->sql_fetchrow($result))
        {
            $attachments[] = $row;
        }
        $db->sql_freeresult($result);

        if (sizeof($attachments))
        {
            $user->add_lang('viewtopic');
            $update_count = array();
            parse_attachments($post_info['forum_id'], $message, $attachments, $update_count);
        }

        // Display not already displayed Attachments for this post, we already parsed them. ;)
        if (!empty($attachments))
        {
            $template->assign_var('S_HAS_ATTACHMENTS', true);

            foreach ($attachments as $attachment)
            {
                $template->assign_block_vars('attachment', array(
                    'DISPLAY_ATTACHMENT'    => $attachment)
                );
            }
        }
    }

    // Deleting information
    if ($post_info['post_visibility'] == ITEM_DELETED && $post_info['post_delete_user'])
    {
        // User having deleted the post also being the post author?
        if (!$post_info['post_delete_user'] || $post_info['post_delete_user'] == $post_info['poster_id'])
        {
            $display_username = get_username_string('full', $post_info['poster_id'], $post_info['username'], $post_info['user_colour'], $post_info['post_username']);
        }
        else
        {
            $sql = 'SELECT user_id, username, user_colour
                FROM ' . USERS_TABLE . '
                WHERE user_id = ' . (int) $post_info['post_delete_user'];
            $result = $db->sql_query($sql);
            $user_delete_row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);
            $display_username = get_username_string('full', $post_info['post_delete_user'], $user_delete_row['username'], $user_delete_row['user_colour']);
        }

        $user->add_lang('viewtopic');
        $l_deleted_by = $user->lang('DELETED_INFORMATION', $display_username, $user->format_date($post_info['post_delete_time'], false, true));
    }
    else
    {
        $l_deleted_by = '';
    }

    $mcp_post_template_data = array(
        'U_MCP_ACTION'            => "$url&amp;i=main&amp;quickmod=1&amp;mode=post_details", // Use this for mode paramaters
        'U_POST_ACTION'            => "$url&amp;i=$id&amp;mode=post_details", // Use this for action parameters
        'U_APPROVE_ACTION'        => append_sid("{$phpbb_root_path}mcp.$phpEx", "i=queue&amp;p=$post_id&amp;f={$post_info['forum_id']}"),

        'S_CAN_VIEWIP'            => $auth->acl_get('m_info', $post_info['forum_id']),
        'S_CAN_CHGPOSTER'        => $auth->acl_get('m_chgposter', $post_info['forum_id']),
        'S_CAN_LOCK_POST'        => $auth->acl_get('m_lock', $post_info['forum_id']),
        'S_CAN_DELETE_POST'        => $auth->acl_get('m_delete', $post_info['forum_id']),

        'S_POST_REPORTED'        => ($post_info['post_reported']) ? true : false,
        'S_POST_UNAPPROVED'        => ($post_info['post_visibility'] == ITEM_UNAPPROVED || $post_info['post_visibility'] == ITEM_REAPPROVE) ? true : false,
        'S_POST_DELETED'        => ($post_info['post_visibility'] == ITEM_DELETED) ? true : false,
        'S_POST_LOCKED'            => ($post_info['post_edit_locked']) ? true : false,
        'S_USER_NOTES'            => true,
        'S_CLEAR_ALLOWED'        => ($auth->acl_get('a_clearlogs')) ? true : false,
        'DELETED_MESSAGE'        => $l_deleted_by,
        'DELETE_REASON'            => $post_info['post_delete_reason'],

        'U_EDIT'                => ($auth->acl_get('m_edit', $post_info['forum_id'])) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=edit&amp;f={$post_info['forum_id']}&amp;p={$post_info['post_id']}") : '',
        'U_FIND_USERNAME'        => append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=searchuser&amp;form=mcp_chgposter&amp;field=username&amp;select_single=true'),
        'U_MCP_APPROVE'            => append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=queue&amp;mode=approve_details&amp;f=' . $post_info['forum_id'] . '&amp;p=' . $post_id),
        'U_MCP_REPORT'            => append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=reports&amp;mode=report_details&amp;f=' . $post_info['forum_id'] . '&amp;p=' . $post_id),
        'U_MCP_USER_NOTES'        => append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=notes&amp;mode=user_notes&amp;u=' . $post_info['user_id']),
        'U_MCP_WARN_USER'        => ($auth->acl_get('m_warn')) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=warn&amp;mode=warn_user&amp;u=' . $post_info['user_id']) : '',
        'U_VIEW_POST'            => append_sid("{$phpbb_root_path}viewtopic.$phpEx", 'f=' . $post_info['forum_id'] . '&amp;p=' . $post_info['post_id'] . '#p' . $post_info['post_id']),
        'U_VIEW_TOPIC'            => append_sid("{$phpbb_root_path}viewtopic.$phpEx", 'f=' . $post_info['forum_id'] . '&amp;t=' . $post_info['topic_id']),

        'MINI_POST_IMG'            => ($post_unread) ? $user->img('icon_post_target_unread', 'UNREAD_POST') : $user->img('icon_post_target', 'POST'),

        'RETURN_TOPIC'            => sprintf($user->lang['RETURN_TOPIC'], '<a href="' . append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f={$post_info['forum_id']}&amp;p=$post_id") . "#p$post_id">", '</a>'),
        'RETURN_FORUM'            => sprintf($user->lang['RETURN_FORUM'], '<a href="' . append_sid("{$phpbb_root_path}viewforum.$phpEx", "f={$post_info['forum_id']}&amp;start={$start}") . '">', '</a>'),
        'REPORTED_IMG'            => $user->img('icon_topic_reported', $user->lang['POST_REPORTED']),
        'UNAPPROVED_IMG'        => $user->img('icon_topic_unapproved', $user->lang['POST_UNAPPROVED']),
        'DELETED_IMG'            => $user->img('icon_topic_deleted', $user->lang['POST_DELETED']),
        'EDIT_IMG'                => $user->img('icon_post_edit', $user->lang['EDIT_POST']),
        'SEARCH_IMG'            => $user->img('icon_user_search', $user->lang['SEARCH']),

        'POST_AUTHOR_FULL'        => get_username_string('full', $post_info['user_id'], $post_info['username'], $post_info['user_colour'], $post_info['post_username']),
        'POST_AUTHOR_COLOUR'    => get_username_string('colour', $post_info['user_id'], $post_info['username'], $post_info['user_colour'], $post_info['post_username']),
        'POST_AUTHOR'            => get_username_string('username', $post_info['user_id'], $post_info['username'], $post_info['user_colour'], $post_info['post_username']),
        'U_POST_AUTHOR'            => get_username_string('profile', $post_info['user_id'], $post_info['username'], $post_info['user_colour'], $post_info['post_username']),

        'POST_PREVIEW'            => $message,
        'POST_SUBJECT'            => $post_info['post_subject'],
        'POST_DATE'                => $user->format_date($post_info['post_time']),
        'POST_IP'                => $post_info['poster_ip'],
        'POST_IPADDR'            => ($auth->acl_get('m_info', $post_info['forum_id']) && request_var('lookup', '')) ? @gethostbyaddr($post_info['poster_ip']) : '',
        'POST_ID'                => $post_info['post_id'],

        'U_LOOKUP_IP'            => ($auth->acl_get('m_info', $post_info['forum_id'])) ? "$url&amp;i=$id&amp;mode=$mode&amp;lookup={$post_info['poster_ip']}#ip" : '',
        'U_WHOIS'                => ($auth->acl_get('m_info', $post_info['forum_id'])) ? append_sid("{$phpbb_root_path}mcp.$phpEx", "i=$id&amp;mode=$mode&amp;action=whois&amp;p=$post_id&amp;ip={$post_info['poster_ip']}") : '',
    );

    $s_additional_opts = false;

    /**
    * Event to add/modify MCP post template data
    *
    * @event core.mcp_post_template_data
    * @var    array    post_info                    Array with the post information
    * @var    array    mcp_post_template_data        Array with the MCP post template data
    * @var    array    attachments                    Array with the post attachments, if any
    * @var    bool    s_additional_opts            Must be set to true in extension if additional options are presented in MCP post panel
    * @since 3.1.5-RC1
    */
    $vars = array(
        'post_info',
        'mcp_post_template_data',
        'attachments',
        's_additional_opts',
    );
    extract($phpbb_dispatcher->trigger_event('core.mcp_post_template_data', compact($vars)));

    $template->assign_vars($mcp_post_template_data);
    $template->assign_var('S_MCP_POST_ADDITIONAL_OPTS', $s_additional_opts);

    unset($mcp_post_template_data);

    // Get User Notes
    $log_data = array();
    $log_count = false;
    view_log('user', $log_data, $log_count, $config['posts_per_page'], 0, 0, 0, $post_info['user_id']);

    if (!empty($log_data))
    {
        $template->assign_var('S_USER_NOTES', true);

        foreach ($log_data as $row)
        {
            $template->assign_block_vars('usernotes', array(
                'REPORT_BY'        => $row['username_full'],
                'REPORT_AT'        => $user->format_date($row['time']),
                'ACTION'        => $row['action'],
                'ID'            => $row['id'])
            );
        }
    }

    // Get Reports
    if ($auth->acl_get('m_report', $post_info['forum_id']))
    {
        $sql = 'SELECT r.*, re.*, u.user_id, u.username
            FROM ' . REPORTS_TABLE . ' r, ' . USERS_TABLE . ' u, ' . REPORTS_REASONS_TABLE . " re
            WHERE r.post_id = $post_id
                AND r.reason_id = re.reason_id
                AND u.user_id = r.user_id
            ORDER BY r.report_time DESC";
        $result = $db->sql_query($sql);

        if ($row = $db->sql_fetchrow($result))
        {
            $template->assign_var('S_SHOW_REPORTS', true);

            do
            {
                // If the reason is defined within the language file, we will use the localized version, else just use the database entry...
                if (isset($user->lang['report_reasons']['TITLE'][strtoupper($row['reason_title'])]) && isset($user->lang['report_reasons']['DESCRIPTION'][strtoupper($row['reason_title'])]))
                {
                    $row['reson_description'] = $user->lang['report_reasons']['DESCRIPTION'][strtoupper($row['reason_title'])];
                    $row['reason_title'] = $user->lang['report_reasons']['TITLE'][strtoupper($row['reason_title'])];
                }

                $template->assign_block_vars('reports', array(
                    'REPORT_ID'        => $row['report_id'],
                    'REASON_TITLE'    => $row['reason_title'],
                    'REASON_DESC'    => $row['reason_description'],
                    'REPORTER'        => get_username_string('username', $row['user_id'], $row['username']),
                    'U_REPORTER'    => get_username_string('profile', $row['user_id'], $row['username']),
                    'USER_NOTIFY'    => ($row['user_notify']) ? true : false,
                    'REPORT_TIME'    => $user->format_date($row['report_time']),
                    'REPORT_TEXT'    => bbcode_nl2br(trim($row['report_text'])),
                ));
            }
            while ($row = $db->sql_fetchrow($result));
        }
        $db->sql_freeresult($result);
    }

    // Get IP
    if ($auth->acl_get('m_info', $post_info['forum_id']))
    {
        $rdns_ip_num = request_var('rdns', '');

        if ($rdns_ip_num != 'all')
        {
            $template->assign_vars(array(
                'U_LOOKUP_ALL'    => "$url&amp;i=main&amp;mode=post_details&amp;rdns=all")
            );
        }

        // Get other users who've posted under this IP
        $sql = 'SELECT poster_id, COUNT(poster_id) as postings
            FROM ' . POSTS_TABLE . "
            WHERE poster_ip = '" . $db->sql_escape($post_info['poster_ip']) . "'
            GROUP BY poster_id
            ORDER BY postings DESC";
        $result = $db->sql_query($sql);

        while ($row = $db->sql_fetchrow($result))
        {
            // Fill the user select list with users who have posted under this IP
            if ($row['poster_id'] != $post_info['poster_id'])
            {
                $users_ary[$row['poster_id']] = $row;
            }
        }
        $db->sql_freeresult($result);

        if (sizeof($users_ary))
        {
            // Get the usernames
            $sql = 'SELECT user_id, username
                FROM ' . USERS_TABLE . '
                WHERE ' . $db->sql_in_set('user_id', array_keys($users_ary));
            $result = $db->sql_query($sql);

            while ($row = $db->sql_fetchrow($result))
            {
                $users_ary[$row['user_id']]['username'] = $row['username'];
                $usernames_ary[utf8_clean_string($row['username'])] = $users_ary[$row['user_id']];
            }
            $db->sql_freeresult($result);

            foreach ($users_ary as $user_id => $user_row)
            {
                $template->assign_block_vars('userrow', array(
                    'USERNAME'        => get_username_string('username', $user_id, $user_row['username']),
                    'NUM_POSTS'        => $user_row['postings'],
                    'L_POST_S'        => ($user_row['postings'] == 1) ? $user->lang['POST'] : $user->lang['POSTS'],

                    'U_PROFILE'        => get_username_string('profile', $user_id, $user_row['username']),
                    'U_SEARCHPOSTS' => append_sid("{$phpbb_root_path}search.$phpEx", 'author_id=' . $user_id . '&amp;sr=topics'))
                );
            }
        }

        // Get other IP's this user has posted under

        // A compound index on poster_id, poster_ip (posts table) would help speed up this query a lot,
        // but the extra size is only valuable if there are persons having more than a thousands posts.
        // This is better left to the really really big forums.

        $sql = 'SELECT poster_ip, COUNT(poster_ip) AS postings
            FROM ' . POSTS_TABLE . '
            WHERE poster_id = ' . $post_info['poster_id'] . "
            GROUP BY poster_ip
            ORDER BY postings DESC";
        $result = $db->sql_query($sql);

        while ($row = $db->sql_fetchrow($result))
        {
            $hostname = (($rdns_ip_num == $row['poster_ip'] || $rdns_ip_num == 'all') && $row['poster_ip']) ? @gethostbyaddr($row['poster_ip']) : '';

            $template->assign_block_vars('iprow', array(
                'IP'            => $row['poster_ip'],
                'HOSTNAME'        => $hostname,
                'NUM_POSTS'        => $row['postings'],
                'L_POST_S'        => ($row['postings'] == 1) ? $user->lang['POST'] : $user->lang['POSTS'],

                'U_LOOKUP_IP'    => ($rdns_ip_num == $row['poster_ip'] || $rdns_ip_num == 'all') ? '' : "$url&amp;i=$id&amp;mode=post_details&amp;rdns={$row['poster_ip']}#ip",
                'U_WHOIS'        => append_sid("{$phpbb_root_path}mcp.$phpEx", "i=$id&amp;mode=$mode&amp;action=whois&amp;p=$post_id&amp;ip={$row['poster_ip']}"))
            );
        }
        $db->sql_freeresult($result);

        $user_select = '';

        if (sizeof($usernames_ary))
        {
            ksort($usernames_ary);

            foreach ($usernames_ary as $row)
            {
                $user_select .= '<option value="' . $row['poster_id'] . '">' . $row['username'] . "</option>n";
            }
        }

        $template->assign_var('S_USER_SELECT', $user_select);
    }

}

/**
* Change a post's poster
*/
function change_poster(&$post_info, $userdata)
{
    global $auth, $db, $config, $phpbb_root_path, $phpEx, $user, $phpbb_dispatcher;

    if (empty($userdata) || $userdata['user_id'] == $post_info['user_id'])
    {
        return;
    }

    $post_id = $post_info['post_id'];

    $sql = 'UPDATE ' . POSTS_TABLE . "
        SET poster_id = {$userdata['user_id']}
        WHERE post_id = $post_id";
    $db->sql_query($sql);

    // Resync topic/forum if needed
    if ($post_info['topic_last_post_id'] == $post_id || $post_info['forum_last_post_id'] == $post_id || $post_info['topic_first_post_id'] == $post_id)
    {
        sync('topic', 'topic_id', $post_info['topic_id'], false, false);
        sync('forum', 'forum_id', $post_info['forum_id'], false, false);
    }

    // Adjust post counts... only if the post is approved (else, it was not added the users post count anyway)
    if ($post_info['post_postcount'] && $post_info['post_visibility'] == ITEM_APPROVED)
    {
        $sql = 'UPDATE ' . USERS_TABLE . '
            SET user_posts = user_posts - 1
            WHERE user_id = ' . $post_info['user_id'] .'
            AND user_posts > 0';
        $db->sql_query($sql);

        $sql = 'UPDATE ' . USERS_TABLE . '
            SET user_posts = user_posts + 1
            WHERE user_id = ' . $userdata['user_id'];
        $db->sql_query($sql);
    }

    // Add posted to information for this topic for the new user
    markread('post', $post_info['forum_id'], $post_info['topic_id'], time(), $userdata['user_id']);

    // Remove the dotted topic option if the old user has no more posts within this topic
    if ($config['load_db_track'] && $post_info['user_id'] != ANONYMOUS)
    {
        $sql = 'SELECT topic_id
            FROM ' . POSTS_TABLE . '
            WHERE topic_id = ' . $post_info['topic_id'] . '
                AND poster_id = ' . $post_info['user_id'];
        $result = $db->sql_query_limit($sql, 1);
        $topic_id = (int) $db->sql_fetchfield('topic_id');
        $db->sql_freeresult($result);

        if (!$topic_id)
        {
            $sql = 'DELETE FROM ' . TOPICS_POSTED_TABLE . '
                WHERE user_id = ' . $post_info['user_id'] . '
                    AND topic_id = ' . $post_info['topic_id'];
            $db->sql_query($sql);
        }
    }

    // change the poster_id within the attachments table, else the data becomes out of sync and errors displayed because of wrong ownership
    if ($post_info['post_attachment'])
    {
        $sql = 'UPDATE ' . ATTACHMENTS_TABLE . '
            SET poster_id = ' . $userdata['user_id'] . '
            WHERE poster_id = ' . $post_info['user_id'] . '
                AND post_msg_id = ' . $post_info['post_id'] . '
                AND topic_id = ' . $post_info['topic_id'];
        $db->sql_query($sql);
    }

    // refresh search cache of this post
    $search_type = $config['search_type'];

    if (class_exists($search_type))
    {
        // We do some additional checks in the module to ensure it can actually be utilised
        $error = false;
        $search = new $search_type($error, $phpbb_root_path, $phpEx, $auth, $config, $db, $user, $phpbb_dispatcher);

        if (!$error && method_exists($search, 'destroy_cache'))
        {
            $search->destroy_cache(array(), array($post_info['user_id'], $userdata['user_id']));
        }
    }

    $from_username = $post_info['username'];
    $to_username = $userdata['username'];

    /**
    * This event allows you to perform additional tasks after changing a post's poster
    *
    * @event core.mcp_change_poster_after
    * @var    array    userdata    Information on a post's new poster
    * @var    array    post_info    Information on the affected post
    * @since 3.1.6-RC1
    * @changed 3.1.7-RC1        Change location to prevent post_info from being set to the new post information
    */
    $vars = array('userdata', 'post_info');
    extract($phpbb_dispatcher->trigger_event('core.mcp_change_poster_after', compact($vars)));

    // Renew post info
    $post_info = phpbb_get_post_data(array($post_id), false, true);

    if (!sizeof($post_info))
    {
        trigger_error('POST_NOT_EXIST');
    }

    $post_info = $post_info[$post_id];

    // Now add log entry
    add_log('mod', $post_info['forum_id'], $post_info['topic_id'], 'LOG_MCP_CHANGE_POSTER', $post_info['topic_title'], $from_username, $to_username);
}