<?php
/***************************************************************************
 *                                search.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : support@phpbb.com
 *
 *   $Id: search.php,v 1.72.2.20 2006/05/20 14:01:48 grahamje Exp $
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

define('IN_PHPBB', true);
$phpbb_root_path = './';
include($phpbb_root_path . 'extension.inc');
include($phpbb_root_path . 'common.'.$phpEx);
include($phpbb_root_path . 'includes/bbcode.'.$phpEx);
include($phpbb_root_path . 'includes/functions_search.'.$phpEx);

//
// Start session management
//
$userdata = session_pagestart($user_ip, PAGE_SEARCH);
init_userprefs($userdata);
//
// End session management
//

//
// Define initial vars
//
if ( isset($HTTP_POST_VARS['mode']) || isset($HTTP_GET_VARS['mode']) )
{
        $mode = ( isset($HTTP_POST_VARS['mode']) ) ? $HTTP_POST_VARS['mode'] : $HTTP_GET_VARS['mode'];
}
else
{
        $mode = '';
}

if ( isset($HTTP_POST_VARS['search_keywords']) || isset($HTTP_GET_VARS['search_keywords']) )
{
        $search_keywords = ( isset($HTTP_POST_VARS['search_keywords']) ) ? $HTTP_POST_VARS['search_keywords'] : $HTTP_GET_VARS['search_keywords'];
}
else
{
        $search_keywords = '';
}

if ( isset($HTTP_POST_VARS['search_author']) || isset($HTTP_GET_VARS['search_author']))
{
        $search_author = ( isset($HTTP_POST_VARS['search_author']) ) ? $HTTP_POST_VARS['search_author'] : $HTTP_GET_VARS['search_author'];
        $search_author = phpbb_clean_username($search_author);
}
else
{
        $search_author = '';
}

$search_id = ( isset($HTTP_GET_VARS['search_id']) ) ? $HTTP_GET_VARS['search_id'] : '';

$show_results = ( isset($HTTP_POST_VARS['show_results']) ) ? $HTTP_POST_VARS['show_results'] : 'posts';
$show_results = ($show_results == 'topics') ? 'topics' : 'posts';

if ( isset($HTTP_POST_VARS['search_terms']) )
{
        $search_terms = ( $HTTP_POST_VARS['search_terms'] == 'all' ) ? 1 : 0;
}
else
{
        $search_terms = 0;
}

if ( isset($HTTP_POST_VARS['search_fields']) )
{
        $search_fields = ( $HTTP_POST_VARS['search_fields'] == 'all' ) ? 1 : 0;
}
else
{
        $search_fields = 0;
}

$return_chars = ( isset($HTTP_POST_VARS['return_chars']) ) ? intval($HTTP_POST_VARS['return_chars']) : 200;

$search_cat = ( isset($HTTP_POST_VARS['search_cat']) ) ? intval($HTTP_POST_VARS['search_cat']) : -1;
$search_forum = ( isset($HTTP_POST_VARS['search_forum']) ) ? intval($HTTP_POST_VARS['search_forum']) : -1;

$sort_by = ( isset($HTTP_POST_VARS['sort_by']) ) ? intval($HTTP_POST_VARS['sort_by']) : 0;

if ( isset($HTTP_POST_VARS['sort_dir']) )
{
        $sort_dir = ( $HTTP_POST_VARS['sort_dir'] == 'DESC' ) ? 'DESC' : 'ASC';
}
else
{
        $sort_dir =  'DESC';
}

if ( !empty($HTTP_POST_VARS['search_time']) || !empty($HTTP_GET_VARS['search_time']))
{
        $search_time = time() - ( ( ( !empty($HTTP_POST_VARS['search_time']) ) ? intval($HTTP_POST_VARS['search_time']) : intval($HTTP_GET_VARS['search_time']) ) * 86400 );
        $topic_days = (!empty($HTTP_POST_VARS['search_time'])) ? intval($HTTP_POST_VARS['search_time']) : intval($HTTP_GET_VARS['search_time']);
}
else
{
        $search_time = 0;
        $topic_days = 0;
}

$start = ( isset($HTTP_GET_VARS['start']) ) ? intval($HTTP_GET_VARS['start']) : 0;

$sort_by_types = array($lang['Sort_Time'], $lang['Sort_Post_Subject'], $lang['Sort_Topic_Title'], $lang['Sort_Author'], $lang['Sort_Forum']);

//
// encoding match for workaround
//
$multibyte_charset = 'utf-8, big5, shift_jis, euc-kr, gb2312';

//
// Begin core code
//
if ( $mode == 'searchuser' )
{
        //
        // This handles the simple windowed user search functions called from various other scripts
        //
        if ( isset($HTTP_POST_VARS['search_username']) )
        {
                username_search($HTTP_POST_VARS['search_username']);
        }
        else
        {
                username_search('');
        }

        exit;
}
else if ( $search_keywords != '' || $search_author != '' || $search_id )
{
        $store_vars = array('search_results', 'total_match_count', 'split_search', 'sort_by', 'sort_dir', 'show_results', 'return_chars');
        $search_results = '';

        //
        // Search ID Limiter, decrease this value if you experience further timeout problems with searching forums
        $limiter = 5000;
        $current_time = time();

        //
        // Cycle through options ...
        //
        if ( $search_id == 'newposts' || $search_id == 'egosearch' || $search_id == 'unanswered' || $search_keywords != '' || $search_author != '' )
        {
                //
                // Flood control
                //
                $where_sql = ($userdata['user_id'] == ANONYMOUS) ? "se.session_ip = '$user_ip'" : 'se.session_user_id = ' . $userdata['user_id'];
                $sql = 'SELECT MAX(sr.search_time) AS last_search_time
                        FROM ' . SEARCH_TABLE . ' sr, ' . SESSIONS_TABLE . " se
                        WHERE sr.session_id = se.session_id
                                AND $where_sql";
                if ($result = $db->sql_query($sql))
                {
                        if ($row = $db->sql_fetchrow($result))
                        {
                                if (intval($row['last_search_time']) > 0 && ($current_time - intval($row['last_search_time'])) < intval($board_config['search_flood_interval']))
                                {
                                        message_die(GENERAL_MESSAGE, $lang['Search_Flood_Error']);
                                }
                        }
                }
                if ( $search_id == 'newposts' || $search_id == 'egosearch' || ( $search_author != '' && $search_keywords == '' )  )
                {
                        if ( $search_id == 'newposts' )
                        {
                                if ( $userdata['session_logged_in'] )
                                {
                                        $sql = "SELECT post_id 
                                                FROM " . POSTS_TABLE . " 
                                                WHERE post_time >= " . $userdata['user_lastvisit'];
                                }
                                else
                                {
                                        redirect(append_sid("login.$phpEx?redirect=search.$phpEx&search_id=newposts", true));
                                }

                                $show_results = 'topics';
                                $sort_by = 0;
                                $sort_dir = 'DESC';
                        }
                        else if ( $search_id == 'egosearch' )
                        {
                                if ( $userdata['session_logged_in'] )
                                {
                                        $sql = "SELECT post_id 
                                                FROM " . POSTS_TABLE . " 
                                                WHERE poster_id = " . $userdata['user_id'];
                                }
                                else
                                {
                                        redirect(append_sid("login.$phpEx?redirect=search.$phpEx&search_id=egosearch", true));
                                }

                                $show_results = 'topics';
                                $sort_by = 0;
                                $sort_dir = 'DESC';
                        }
                        else
                        {
                                $search_author = str_replace('*', '%', trim($search_author));

                                if( ( strpos($search_author, '%') !== false ) && ( strlen(str_replace('%', '', $search_author)) < $board_config['search_min_chars'] ) )
                                {
                                        $search_author = '';
                                }

                                $sql = "SELECT user_id
                                        FROM " . USERS_TABLE . "
                                        WHERE username LIKE '" . str_replace("\'", "''", $search_author) . "'";
                                if ( !($result = $db->sql_query($sql)) )
                                {
                                        message_die(GENERAL_ERROR, "Couldn't obtain list of matching users (searching for: $search_author)", "", __LINE__, __FILE__, $sql);
                                }

                                $matching_userids = '';
                                if ( $row = $db->sql_fetchrow($result) )
                                {
                                        do
                                        {
                                                $matching_userids .= ( ( $matching_userids != '' ) ? ', ' : '' ) . $row['user_id'];
                                        }
                                        while( $row = $db->sql_fetchrow($result) );
                                }
                                else
                                {
                                        message_die(GENERAL_MESSAGE, $lang['No_search_match']);
                                }

                                $sql = "SELECT post_id 
                                        FROM " . POSTS_TABLE . " 
                                        WHERE poster_id IN ($matching_userids)";
                                
                                if ($search_time)
                                {
                                        $sql .= " AND post_time >= " . $search_time;
                                }
                        }

                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not obtain matched posts list', '', __LINE__, __FILE__, $sql);
                        }

                        $search_ids = array();
                        while( $row = $db->sql_fetchrow($result) )
                        {
                                $search_ids[] = $row['post_id'];
                        }
                        $db->sql_freeresult($result);

                        $total_match_count = count($search_ids);

                }
                else if ( $search_keywords != '' )
                {
                        $stopword_array = @file($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/search_stopwords.txt'); 
                        $synonym_array = @file($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/search_synonyms.txt'); 

                        $split_search = array();
                        $stripped_keywords = stripslashes($search_keywords);
                        $split_search = ( !strstr($multibyte_charset, $lang['ENCODING']) ) ?  split_words(clean_words('search', $stripped_keywords, $stopword_array, $synonym_array), 'search') : split(' ', $search_keywords); 
                        unset($stripped_keywords);

                        $search_msg_only = ( !$search_fields ) ? "AND m.title_match = 0" : ( ( strstr($multibyte_charset, $lang['ENCODING']) ) ? '' : '' );

                        $word_count = 0;
                        $current_match_type = 'or';

                        $word_match = array();
                        $result_list = array();

                        for($i = 0; $i < count($split_search); $i++)
                        {
                                if ( strlen(str_replace(array('*', '%'), '', trim($split_search[$i]))) < $board_config['search_min_chars'] )
                                {
                                        $split_search[$i] = '';
                                        continue;
                                }

                                switch ( $split_search[$i] )
                                {
                                        case 'and':
                                                $current_match_type = 'and';
                                                break;

                                        case 'or':
                                                $current_match_type = 'or';
                                                break;

                                        case 'not':
                                                $current_match_type = 'not';
                                                break;

                                        default:
                                                if ( !empty($search_terms) )
                                                {
                                                        $current_match_type = 'and';
                                                }

                                                if ( !strstr($multibyte_charset, $lang['ENCODING']) )
                                                {
                                                        $match_word = str_replace('*', '%', $split_search[$i]);
                                                        $sql = "SELECT m.post_id 
                                                                FROM " . SEARCH_WORD_TABLE . " w, " . SEARCH_MATCH_TABLE . " m 
                                                                WHERE w.word_text LIKE '$match_word' 
                                                                        AND m.word_id = w.word_id 
                                                                        AND w.word_common <> 1 
                                                                        $search_msg_only";
                                                }
                                                else
                                                {
                                                        $match_word =  addslashes('%' . str_replace('*', '', $split_search[$i]) . '%');
                                                        $search_msg_only = ( $search_fields ) ? "OR post_subject LIKE '$match_word'" : '';
                                                        $sql = "SELECT post_id
                                                                FROM " . POSTS_TEXT_TABLE . "
                                                                WHERE post_text LIKE '$match_word'
                                                                $search_msg_only";
                                                }
                                                if ( !($result = $db->sql_query($sql)) )
                                                {
                                                        message_die(GENERAL_ERROR, 'Could not obtain matched posts list', '', __LINE__, __FILE__, $sql);
                                                }

                                                $row = array();
                                                while( $temp_row = $db->sql_fetchrow($result) )
                                                {
                                                        $row[$temp_row['post_id']] = 1;

                                                        if ( !$word_count )
                                                        {
                                                                $result_list[$temp_row['post_id']] = 1;
                                                        }
                                                        else if ( $current_match_type == 'or' )
                                                        {
                                                                $result_list[$temp_row['post_id']] = 1;
                                                        }
                                                        else if ( $current_match_type == 'not' )
                                                        {
                                                                $result_list[$temp_row['post_id']] = 0;
                                                        }
                                                }

                                                if ( $current_match_type == 'and' && $word_count )
                                                {
                                                        @reset($result_list);
                                                        while( list($post_id, $match_count) = @each($result_list) )
                                                        {
                                                                if ( !$row[$post_id] )
                                                                {
                                                                        $result_list[$post_id] = 0;
                                                                }
                                                        }
                                                }

                                                $word_count++;

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

                        @reset($result_list);

                        $search_ids = array();
                        while( list($post_id, $matches) = each($result_list) )
                        {
                                if ( $matches )
                                {
                                        $search_ids[] = $post_id;
                                }
                        }       
                        
                        unset($result_list);
                        $total_match_count = count($search_ids);
                }

                //
                // If user is logged in then we'll check to see which (if any) private
                // forums they are allowed to view and include them in the search.
                //
                // If not logged in we explicitly prevent searching of private forums
                //
                $auth_sql = '';
                if ( $search_forum != -1 )
                {
                        $is_auth = auth(AUTH_READ, $search_forum, $userdata);

                        if ( !$is_auth['auth_read'] )
                        {
                                message_die(GENERAL_MESSAGE, $lang['No_searchable_forums']);
                        }

                        $auth_sql = "f.forum_id = $search_forum";
                }
                else
                {
                        $is_auth_ary = auth(AUTH_READ, AUTH_LIST_ALL, $userdata); 

                        if ( $search_cat != -1 )
                        {
                                $auth_sql = "f.cat_id = $search_cat";
                        }

                        $ignore_forum_sql = '';
                        while( list($key, $value) = each($is_auth_ary) )
                        {
                                if ( !$value['auth_read'] )
                                {
                                        $ignore_forum_sql .= ( ( $ignore_forum_sql != '' ) ? ', ' : '' ) . $key;
                                }
                        }

                        if ( $ignore_forum_sql != '' )
                        {
                                $auth_sql .= ( $auth_sql != '' ) ? " AND f.forum_id NOT IN ($ignore_forum_sql) " : "f.forum_id NOT IN ($ignore_forum_sql) ";
                        }
                }

                //
                // Author name search 
                //
                if ( $search_author != '' )
                {
                        $search_author = str_replace('*', '%', trim($search_author));

                        if( ( strpos($search_author, '%') !== false ) && ( strlen(str_replace('%', '', $search_author)) < $board_config['search_min_chars'] ) )
                        {
                                $search_author = '';
                        }
                }

                if ( $total_match_count )
                {
                        if ( $show_results == 'topics' )
                        {
                                //
                                // This one is a beast, try to seperate it a bit (workaround for connection timeouts)
                                //
                                $search_id_chunks = array();
                                $count = 0;
                                $chunk = 0;

                                if (count($search_ids) > $limiter)
                                {
                                        for ($i = 0; $i < count($search_ids); $i++) 
                                        {
                                                if ($count == $limiter)
                                                {
                                                        $chunk++;
                                                        $count = 0;
                                                }
                                        
                                                $search_id_chunks[$chunk][$count] = $search_ids[$i];
                                                $count++;
                                        }
                                }
                                else
                                {
                                        $search_id_chunks[0] = $search_ids;
                                }

                                $search_ids = array();

                                for ($i = 0; $i < count($search_id_chunks); $i++)
                                {
                                        $where_sql = '';

                                        if ( $search_time )
                                        {
                                                $where_sql .= ( $search_author == '' && $auth_sql == ''  ) ? " AND post_time >= $search_time " : " AND p.post_time >= $search_time ";
                                        }
        
                                        if ( $search_author == '' && $auth_sql == '' )
                                        {
                                                $sql = "SELECT topic_id 
                                                        FROM " . POSTS_TABLE . "
                                                        WHERE post_id IN (" . implode(", ", $search_id_chunks[$i]) . ") 
                                                        $where_sql 
                                                        GROUP BY topic_id";
                                        }
                                        else
                                        {
                                                $from_sql = POSTS_TABLE . " p"; 

                                                if ( $search_author != '' )
                                                {
                                                        $from_sql .= ", " . USERS_TABLE . " u";
                                                        $where_sql .= " AND u.user_id = p.poster_id AND u.username LIKE '$search_author' ";
                                                }

                                                if ( $auth_sql != '' )
                                                {
                                                        $from_sql .= ", " . FORUMS_TABLE . " f";
                                                        $where_sql .= " AND f.forum_id = p.forum_id AND $auth_sql";
                                                }

                                                $sql = "SELECT p.topic_id 
                                                        FROM $from_sql 
                                                        WHERE p.post_id IN (" . implode(", ", $search_id_chunks[$i]) . ") 
                                                                $where_sql 
                                                        GROUP BY p.topic_id";
                                        }

                                        if ( !($result = $db->sql_query($sql)) )
                                        {
                                                message_die(GENERAL_ERROR, 'Could not obtain topic ids', '', __LINE__, __FILE__, $sql);
                                        }

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

                                $total_match_count = sizeof($search_ids);
                
                        }
                        else if ( $search_author != '' || $search_time || $auth_sql != '' )
                        {
                                $search_id_chunks = array();
                                $count = 0;
                                $chunk = 0;

                                if (count($search_ids) > $limiter)
                                {
                                        for ($i = 0; $i < count($search_ids); $i++) 
                                        {
                                                if ($count == $limiter)
                                                {
                                                        $chunk++;
                                                        $count = 0;
                                                }
                                        
                                                $search_id_chunks[$chunk][$count] = $search_ids[$i];
                                                $count++;
                                        }
                                }
                                else
                                {
                                        $search_id_chunks[0] = $search_ids;
                                }

                                $search_ids = array();

                                for ($i = 0; $i < count($search_id_chunks); $i++)
                                {
                                        $where_sql = ( $search_author == '' && $auth_sql == '' ) ? 'post_id IN (' . implode(', ', $search_id_chunks[$i]) . ')' : 'p.post_id IN (' . implode(', ', $search_id_chunks[$i]) . ')';
                                        $select_sql = ( $search_author == '' && $auth_sql == '' ) ? 'post_id' : 'p.post_id';
                                        $from_sql = (  $search_author == '' && $auth_sql == '' ) ? POSTS_TABLE : POSTS_TABLE . ' p';

                                        if ( $search_time )
                                        {
                                                $where_sql .= ( $search_author == '' && $auth_sql == '' ) ? " AND post_time >= $search_time " : " AND p.post_time >= $search_time";
                                        }

                                        if ( $auth_sql != '' )
                                        {
                                                $from_sql .= ", " . FORUMS_TABLE . " f";
                                                $where_sql .= " AND f.forum_id = p.forum_id AND $auth_sql";
                                        }

                                        if ( $search_author != '' )
                                        {
                                                $from_sql .= ", " . USERS_TABLE . " u";
                                                $where_sql .= " AND u.user_id = p.poster_id AND u.username LIKE '$search_author'";
                                        }

                                        $sql = "SELECT " . $select_sql . " 
                                                FROM $from_sql 
                                                WHERE $where_sql";
                                        if ( !($result = $db->sql_query($sql)) )
                                        {
                                                message_die(GENERAL_ERROR, 'Could not obtain post ids', '', __LINE__, __FILE__, $sql);
                                        }

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

                                $total_match_count = count($search_ids);
                        }
                }
                else if ( $search_id == 'unanswered' )
                {
                        if ( $auth_sql != '' )
                        {
                                $sql = "SELECT t.topic_id, f.forum_id
                                        FROM " . TOPICS_TABLE . "  t, " . FORUMS_TABLE . " f
                                        WHERE t.topic_replies = 0 
                                                AND t.forum_id = f.forum_id
                                                AND t.topic_moved_id = 0
                                                AND $auth_sql";
                        }
                        else
                        {
                                $sql = "SELECT topic_id 
                                        FROM " . TOPICS_TABLE . "  
                                        WHERE topic_replies = 0 
                                                AND topic_moved_id = 0";
                        }
                                
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not obtain post ids', '', __LINE__, __FILE__, $sql);
                        }

                        $search_ids = array();
                        while( $row = $db->sql_fetchrow($result) )
                        {
                                $search_ids[] = $row['topic_id'];
                        }
                        $db->sql_freeresult($result);

                        $total_match_count = count($search_ids);

                        //
                        // Basic requirements
                        //
                        $show_results = 'topics';
                        $sort_by = 0;
                        $sort_dir = 'DESC';
                }
                else
                {
                        message_die(GENERAL_MESSAGE, $lang['No_search_match']);
                }

                //
                // Delete old data from the search result table
                //
                $sql = 'DELETE FROM ' . SEARCH_TABLE . '
                        WHERE search_time < ' . ($current_time - (int) $board_config['session_length']);
                if ( !$result = $db->sql_query($sql) )
                {
                        message_die(GENERAL_ERROR, 'Could not delete old search id sessions', '', __LINE__, __FILE__, $sql);
                }

                //
                // Store new result data
                //
                $search_results = implode(', ', $search_ids);
                $per_page = ( $show_results == 'posts' ) ? $board_config['posts_per_page'] : $board_config['topics_per_page'];

                //
                // Combine both results and search data (apart from original query)
                // so we can serialize it and place it in the DB
                //
                $store_search_data = array();

                //
                // Limit the character length (and with this the results displayed at all following pages) to prevent
                // truncated result arrays. Normally, search results above 12000 are affected.
                // - to include or not to include
                /*
                $max_result_length = 60000;
                if (strlen($search_results) > $max_result_length)
                {
                        $search_results = substr($search_results, 0, $max_result_length);
                        $search_results = substr($search_results, 0, strrpos($search_results, ','));
                        $total_match_count = count(explode(', ', $search_results));
                }
                */

                for($i = 0; $i < count($store_vars); $i++)
                {
                        $store_search_data[$store_vars[$i]] = $$store_vars[$i];
                }

                $result_array = serialize($store_search_data);
                unset($store_search_data);

                mt_srand ((double) microtime() * 1000000);
                $search_id = mt_rand();

                $sql = "UPDATE " . SEARCH_TABLE . " 
                        SET search_id = $search_id, search_time = $current_time, search_array = '" . str_replace("\'", "''", $result_array) . "'
                        WHERE session_id = '" . $userdata['session_id'] . "'";
                if ( !($result = $db->sql_query($sql)) || !$db->sql_affectedrows() )
                {
                        $sql = "INSERT INTO " . SEARCH_TABLE . " (search_id, session_id, search_time, search_array) 
                                VALUES($search_id, '" . $userdata['session_id'] . "', $current_time, '" . str_replace("\'", "''", $result_array) . "')";
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not insert search results', '', __LINE__, __FILE__, $sql);
                        }
                }
        }
        else
        {
                $search_id = intval($search_id);
                if ( $search_id )
                {
                        $sql = "SELECT search_array 
                                FROM " . SEARCH_TABLE . " 
                                WHERE search_id = $search_id  
                                        AND session_id = '". $userdata['session_id'] . "'";
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not obtain search results', '', __LINE__, __FILE__, $sql);
                        }

                        if ( $row = $db->sql_fetchrow($result) )
                        {
                                $search_data = unserialize($row['search_array']);
                                for($i = 0; $i < count($store_vars); $i++)
                                {
                                        $$store_vars[$i] = $search_data[$store_vars[$i]];
                                }
                        }
                }
        }

        //
        // Look up data ...
        //
        if ( $search_results != '' )
        {
                if ( $show_results == 'posts' )
                {
                        $sql = "SELECT pt.post_text, pt.bbcode_uid, pt.post_subject, p.*, f.forum_id, f.forum_name, t.*, u.username, u.user_id, u.user_sig, u.user_sig_bbcode_uid  
                                FROM " . FORUMS_TABLE . " f, " . TOPICS_TABLE . " t, " . USERS_TABLE . " u, " . POSTS_TABLE . " p, " . POSTS_TEXT_TABLE . " pt 
                                WHERE p.post_id IN ($search_results)
                                        AND pt.post_id = p.post_id
                                        AND f.forum_id = p.forum_id
                                        AND p.topic_id = t.topic_id
                                        AND p.poster_id = u.user_id";
                }
                else
                {
                        $sql = "SELECT t.*, f.forum_id, f.forum_name, u.username, u.user_id, u2.username as user2, u2.user_id as id2, p.post_username, p2.post_username AS post_username2, p2.post_time 
                                FROM " . TOPICS_TABLE . " t, " . FORUMS_TABLE . " f, " . USERS_TABLE . " u, " . POSTS_TABLE . " p, " . POSTS_TABLE . " p2, " . USERS_TABLE . " u2
                                WHERE t.topic_id IN ($search_results) 
                                        AND t.topic_poster = u.user_id
                                        AND f.forum_id = t.forum_id 
                                        AND p.post_id = t.topic_first_post_id
                                        AND p2.post_id = t.topic_last_post_id
                                        AND u2.user_id = p2.poster_id";
                }

                $per_page = ( $show_results == 'posts' ) ? $board_config['posts_per_page'] : $board_config['topics_per_page'];

                $sql .= " ORDER BY ";
                switch ( $sort_by )
                {
                        case 1:
                                $sql .= ( $show_results == 'posts' ) ? 'pt.post_subject' : 't.topic_title';
                                break;
                        case 2:
                                $sql .= 't.topic_title';
                                break;
                        case 3:
                                $sql .= 'u.username';
                                break;
                        case 4:
                                $sql .= 'f.forum_id';
                                break;
                        default:
                                $sql .= ( $show_results == 'posts' ) ? 'p.post_time' : 'p2.post_time';
                                break;
                }
                $sql .= " $sort_dir LIMIT $start, " . $per_page;

                if ( !$result = $db->sql_query($sql) )
                {
                        message_die(GENERAL_ERROR, 'Could not obtain search results', '', __LINE__, __FILE__, $sql);
                }

                $searchset = array();
                while( $row = $db->sql_fetchrow($result) )
                {
                        $searchset[] = $row;
                }
                
                $db->sql_freeresult($result);           
                
                //
                // Define censored word matches
                //
                $orig_word = array();
                $replacement_word = array();
                obtain_word_list($orig_word, $replacement_word);

                //
                // Output header
                //
                $page_title = $lang['Search'];
                include($phpbb_root_path . 'includes/page_header.'.$phpEx);     

                if ( $show_results == 'posts' )
                {
                        $template->set_filenames(array(
                                'body' => 'search_results_posts.tpl')
                        );
                }
                else
                {
                        $template->set_filenames(array(
                                'body' => 'search_results_topics.tpl')
                        );
                }
                make_jumpbox('viewforum.'.$phpEx);

                $l_search_matches = ( $total_match_count == 1 ) ? sprintf($lang['Found_search_match'], $total_match_count) : sprintf($lang['Found_search_matches'], $total_match_count);

                $template->assign_vars(array(
                        'L_SEARCH_MATCHES' => $l_search_matches, 
                        'L_TOPIC' => $lang['Topic'])
                );

                $highlight_active = '';
                $highlight_match = array();
                for($j = 0; $j < count($split_search); $j++ )
                {
                        $split_word = $split_search[$j];

                        if ( $split_word != 'and' && $split_word != 'or' && $split_word != 'not' )
                        {
                                $highlight_match[] = '#\b(' . str_replace("*", "([\w]+)?", $split_word) . ')\b#is';
                                $highlight_active .= " " . $split_word;

                                for ($k = 0; $k < count($synonym_array); $k++)
                                { 
                                        list($replace_synonym, $match_synonym) = split(' ', trim(strtolower($synonym_array[$k]))); 

                                        if ( $replace_synonym == $split_word )
                                        {
                                                $highlight_match[] = '#\b(' . str_replace("*", "([\w]+)?", $replace_synonym) . ')\b#is';
                                                $highlight_active .= ' ' . $match_synonym;
                                        }
                                } 
                        }
                }

                $highlight_active = urlencode(trim($highlight_active));

                $tracking_topics = ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_t']) ) ? unserialize($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_t']) : array();
                $tracking_forums = ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f']) ) ? unserialize($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f']) : array();

                for($i = 0; $i < count($searchset); $i++)
                {
                        $forum_url = append_sid("viewforum.$phpEx?" . POST_FORUM_URL . '=' . $searchset[$i]['forum_id']);
                        $topic_url = append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . '=' . $searchset[$i]['topic_id'] . "&amp;highlight=$highlight_active");
                        $post_url = append_sid("viewtopic.$phpEx?" . POST_POST_URL . '=' . $searchset[$i]['post_id'] . "&amp;highlight=$highlight_active") . '#' . $searchset[$i]['post_id'];

                        $post_date = create_date($board_config['default_dateformat'], $searchset[$i]['post_time'], $board_config['board_timezone']);

                        $message = $searchset[$i]['post_text'];
                        $topic_title = $searchset[$i]['topic_title'];

                        $forum_id = $searchset[$i]['forum_id'];
                        $topic_id = $searchset[$i]['topic_id'];

                        if ( $show_results == 'posts' )
                        {
                                if ( isset($return_chars) )
                                {
                                        $bbcode_uid = $searchset[$i]['bbcode_uid'];

                                        //
                                        // If the board has HTML off but the post has HTML
                                        // on then we process it, else leave it alone
                                        //
                                        if ( $return_chars != -1 )
                                        {
                                                $message = strip_tags($message);
                                                $message = preg_replace("/\[.*?:$bbcode_uid:?.*?\]/si", '', $message);
                                                $message = preg_replace('/\[url\]|\[\/url\]/si', '', $message);
                                                $message = ( strlen($message) > $return_chars ) ? substr($message, 0, $return_chars) . ' ...' : $message;
                                        }
                                        else
                                        {
                                                if ( !$board_config['allow_html'] )
                                                {
                                                        if ( $postrow[$i]['enable_html'] )
                                                        {
                                                                $message = preg_replace('#(<)([\/]?.*?)(>)#is', '&lt;\\2&gt;', $message);
                                                        }
                                                }

                                                if ( $bbcode_uid != '' )
                                                {
                                                        $message = ( $board_config['allow_bbcode'] ) ? bbencode_second_pass($message, $bbcode_uid) : preg_replace('/\:[0-9a-z\:]+\]/si', ']', $message);
                                                }

                                                $message = make_clickable($message);

                                                if ( $highlight_active )
                                                {
                                                        if ( preg_match('/<.*>/', $message) )
                                                        {
                                                                $message = preg_replace($highlight_match, '<!-- #sh -->\1<!-- #eh -->', $message);

                                                                $end_html = 0;
                                                                $start_html = 1;
                                                                $temp_message = '';
                                                                $message = ' ' . $message . ' ';

                                                                while( $start_html = strpos($message, '<', $start_html) )
                                                                {
                                                                        $grab_length = $start_html - $end_html - 1;
                                                                        $temp_message .= substr($message, $end_html + 1, $grab_length);

                                                                        if ( $end_html = strpos($message, '>', $start_html) )
                                                                        {
                                                                                $length = $end_html - $start_html + 1;
                                                                                $hold_string = substr($message, $start_html, $length);

                                                                                if ( strrpos(' ' . $hold_string, '<') != 1 )
                                                                                {
                                                                                        $end_html = $start_html + 1;
                                                                                        $end_counter = 1;

                                                                                        while ( $end_counter && $end_html < strlen($message) )
                                                                                        {
                                                                                                if ( substr($message, $end_html, 1) == '>' )
                                                                                                {
                                                                                                        $end_counter--;
                                                                                                }
                                                                                                else if ( substr($message, $end_html, 1) == '<' )
                                                                                                {
                                                                                                        $end_counter++;
                                                                                                }

                                                                                                $end_html++;
                                                                                        }

                                                                                        $length = $end_html - $start_html + 1;
                                                                                        $hold_string = substr($message, $start_html, $length);
                                                                                        $hold_string = str_replace('<!-- #sh -->', '', $hold_string);
                                                                                        $hold_string = str_replace('<!-- #eh -->', '', $hold_string);
                                                                                }
                                                                                else if ( $hold_string == '<!-- #sh -->' )
                                                                                {
                                                                                        $hold_string = str_replace('<!-- #sh -->', '<span style="color:#' . $theme['fontcolor3'] . '"><b>', $hold_string);
                                                                                }
                                                                                else if ( $hold_string == '<!-- #eh -->' )
                                                                                {
                                                                                        $hold_string = str_replace('<!-- #eh -->', '</b></span>', $hold_string);
                                                                                }

                                                                                $temp_message .= $hold_string;

                                                                                $start_html += $length;
                                                                        }
                                                                        else
                                                                        {
                                                                                $start_html = strlen($message);
                                                                        }
                                                                }

                                                                $grab_length = strlen($message) - $end_html - 1;
                                                                $temp_message .= substr($message, $end_html + 1, $grab_length);

                                                                $message = trim($temp_message);
                                                        }
                                                        else
                                                        {
                                                                $message = preg_replace($highlight_match, '<span style="color:#' . $theme['fontcolor3'] . '"><b>\1</b></span>', $message);
                                                        }
                                                }
                                        }

                                        if ( count($orig_word) )
                                        {
                                                $topic_title = preg_replace($orig_word, $replacement_word, $topic_title);
                                                $post_subject = ( $searchset[$i]['post_subject'] != "" ) ? preg_replace($orig_word, $replacement_word, $searchset[$i]['post_subject']) : $topic_title;

                                                $message = preg_replace($orig_word, $replacement_word, $message);
                                        }
                                        else
                                        {
                                                $post_subject = ( $searchset[$i]['post_subject'] != '' ) ? $searchset[$i]['post_subject'] : $topic_title;
                                        }

                                        if ($board_config['allow_smilies'] && $searchset[$i]['enable_smilies'])
                                        {
                                                $message = smilies_pass($message);
                                        }

                                        $message = str_replace("\n", '<br />', $message);

                                }

                                $poster = ( $searchset[$i]['user_id'] != ANONYMOUS ) ? '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . "=" . $searchset[$i]['user_id']) . '">' : '';
                                $poster .= ( $searchset[$i]['user_id'] != ANONYMOUS ) ? $searchset[$i]['username'] : ( ( $searchset[$i]['post_username'] != "" ) ? $searchset[$i]['post_username'] : $lang['Guest'] );
                                $poster .= ( $searchset[$i]['user_id'] != ANONYMOUS ) ? '</a>' : '';

                                if ( $userdata['session_logged_in'] && $searchset[$i]['post_time'] > $userdata['user_lastvisit'] )
                                {
                                        if ( !empty($tracking_topics[$topic_id]) && !empty($tracking_forums[$forum_id]) )
                                        {
                                                $topic_last_read = ( $tracking_topics[$topic_id] > $tracking_forums[$forum_id] ) ? $tracking_topics[$topic_id] : $tracking_forums[$forum_id];
                                        }
                                        else if ( !empty($tracking_topics[$topic_id]) || !empty($tracking_forums[$forum_id]) )
                                        {
                                                $topic_last_read = ( !empty($tracking_topics[$topic_id]) ) ? $tracking_topics[$topic_id] : $tracking_forums[$forum_id];
                                        }

                                        if ( $searchset[$i]['post_time'] > $topic_last_read )
                                        {
                                                $mini_post_img = $images['icon_minipost_new'];
                                                $mini_post_alt = $lang['New_post'];
                                        }
                                        else
                                        {
                                                $mini_post_img = $images['icon_minipost'];
                                                $mini_post_alt = $lang['Post'];
                                        }
                                }
                                else
                                {
                                        $mini_post_img = $images['icon_minipost'];
                                        $mini_post_alt = $lang['Post'];
                                }

                                $template->assign_block_vars("searchresults", array( 
                                        'TOPIC_TITLE' => $topic_title,
                                        'FORUM_NAME' => $searchset[$i]['forum_name'],
                                        'POST_SUBJECT' => $post_subject,
                                        'POST_DATE' => $post_date,
                                        'POSTER_NAME' => $poster,
                                        'TOPIC_REPLIES' => $searchset[$i]['topic_replies'],
                                        'TOPIC_VIEWS' => $searchset[$i]['topic_views'],
                                        'MESSAGE' => $message,
                                        'MINI_POST_IMG' => $mini_post_img, 

                                        'L_MINI_POST_ALT' => $mini_post_alt, 

                                        'U_POST' => $post_url,
                                        'U_TOPIC' => $topic_url,
                                        'U_FORUM' => $forum_url)
                                );
                        }
                        else
                        {
                                $message = '';

                                if ( count($orig_word) )
                                {
                                        $topic_title = preg_replace($orig_word, $replacement_word, $searchset[$i]['topic_title']);
                                }

                                $topic_type = $searchset[$i]['topic_type'];

                                if ($topic_type == POST_ANNOUNCE)
                                {
                                        $topic_type = $lang['Topic_Announcement'] . ' ';
                                }
                                else if ($topic_type == POST_STICKY)
                                {
                                        $topic_type = $lang['Topic_Sticky'] . ' ';
                                }
                                else
                                {
                                        $topic_type = '';
                                }

                                if ( $searchset[$i]['topic_vote'] )
                                {
                                        $topic_type .= $lang['Topic_Poll'] . ' ';
                                }

                                $views = $searchset[$i]['topic_views'];
                                $replies = $searchset[$i]['topic_replies'];

                                if ( ( $replies + 1 ) > $board_config['posts_per_page'] )
                                {
                                        $total_pages = ceil( ( $replies + 1 ) / $board_config['posts_per_page'] );
                                        $goto_page = ' [ <img src="' . $images['icon_gotopost'] . '" alt="' . $lang['Goto_page'] . '" title="' . $lang['Goto_page'] . '" />' . $lang['Goto_page'] . ': ';

                                        $times = 1;
                                        for($j = 0; $j < $replies + 1; $j += $board_config['posts_per_page'])
                                        {
                                                $goto_page .= '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=" . $topic_id . "&amp;start=$j") . '">' . $times . '</a>';
                                                if ( $times == 1 && $total_pages > 4 )
                                                {
                                                        $goto_page .= ' ... ';
                                                        $times = $total_pages - 3;
                                                        $j += ( $total_pages - 4 ) * $board_config['posts_per_page'];
                                                }
                                                else if ( $times < $total_pages )
                                                {
                                                        $goto_page .= ', ';
                                                }
                                                $times++;
                                        }
                                        $goto_page .= ' ] ';
                                }
                                else
                                {
                                        $goto_page = '';
                                }

                                if ( $searchset[$i]['topic_status'] == TOPIC_MOVED )
                                {
                                        $topic_type = $lang['Topic_Moved'] . ' ';
                                        $topic_id = $searchset[$i]['topic_moved_id'];

                                        $folder_image = '<img src="' . $images['folder'] . '" alt="' . $lang['No_new_posts'] . '" />';
                                        $newest_post_img = '';
                                }
                                else
                                {
                                        if ( $searchset[$i]['topic_status'] == TOPIC_LOCKED )
                                        {
                                                $folder = $images['folder_locked'];
                                                $folder_new = $images['folder_locked_new'];
                                        }
                                        else if ( $searchset[$i]['topic_type'] == POST_ANNOUNCE )
                                        {
                                                $folder = $images['folder_announce'];
                                                $folder_new = $images['folder_announce_new'];
                                        }
                                        else if ( $searchset[$i]['topic_type'] == POST_STICKY )
                                        {
                                                $folder = $images['folder_sticky'];
                                                $folder_new = $images['folder_sticky_new'];
                                        }
                                        else
                                        {
                                                if ( $replies >= $board_config['hot_threshold'] )
                                                {
                                                        $folder = $images['folder_hot'];
                                                        $folder_new = $images['folder_hot_new'];
                                                }
                                                else
                                                {
                                                        $folder = $images['folder'];
                                                        $folder_new = $images['folder_new'];
                                                }
                                        }

                                        if ( $userdata['session_logged_in'] )
                                        {
                                                if ( $searchset[$i]['post_time'] > $userdata['user_lastvisit'] ) 
                                                {
                                                        if ( !empty($tracking_topics) || !empty($tracking_forums) || isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f_all']) )
                                                        {

                                                                $unread_topics = true;

                                                                if ( !empty($tracking_topics[$topic_id]) )
                                                                {
                                                                        if ( $tracking_topics[$topic_id] > $searchset[$i]['post_time'] )
                                                                        {
                                                                                $unread_topics = false;
                                                                        }
                                                                }

                                                                if ( !empty($tracking_forums[$forum_id]) )
                                                                {
                                                                        if ( $tracking_forums[$forum_id] > $searchset[$i]['post_time'] )
                                                                        {
                                                                                $unread_topics = false;
                                                                        }
                                                                }

                                                                if ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f_all']) )
                                                                {
                                                                        if ( $HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f_all'] > $searchset[$i]['post_time'] )
                                                                        {
                                                                                $unread_topics = false;
                                                                        }
                                                                }

                                                                if ( $unread_topics )
                                                                {
                                                                        $folder_image = $folder_new;
                                                                        $folder_alt = $lang['New_posts'];

                                                                        $newest_post_img = '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id&amp;view=newest") . '"><img src="' . $images['icon_newest_reply'] . '" alt="' . $lang['View_newest_post'] . '" title="' . $lang['View_newest_post'] . '" border="0" /></a> ';
                                                                }
                                                                else
                                                                {
                                                                        $folder_alt = ( $searchset[$i]['topic_status'] == TOPIC_LOCKED ) ? $lang['Topic_locked'] : $lang['No_new_posts'];

                                                                        $folder_image = $folder;
                                                                        $folder_alt = $folder_alt;
                                                                        $newest_post_img = '';
                                                                }

                                                        }
                                                        else if ( $searchset[$i]['post_time'] > $userdata['user_lastvisit'] ) 
                                                        {
                                                                $folder_image = $folder_new;
                                                                $folder_alt = $lang['New_posts'];

                                                                $newest_post_img = '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id&amp;view=newest") . '"><img src="' . $images['icon_newest_reply'] . '" alt="' . $lang['View_newest_post'] . '" title="' . $lang['View_newest_post'] . '" border="0" /></a> ';
                                                        }
                                                        else 
                                                        {
                                                                $folder_image = $folder;
                                                                $folder_alt = ( $searchset[$i]['topic_status'] == TOPIC_LOCKED ) ? $lang['Topic_locked'] : $lang['No_new_posts'];
                                                                $newest_post_img = '';
                                                        }
                                                }
                                                else
                                                {
                                                        $folder_image = $folder;
                                                        $folder_alt = ( $searchset[$i]['topic_status'] == TOPIC_LOCKED ) ? $lang['Topic_locked'] : $lang['No_new_posts'];
                                                        $newest_post_img = '';
                                                }
                                        }
                                        else
                                        {
                                                $folder_image = $folder;
                                                $folder_alt = ( $searchset[$i]['topic_status'] == TOPIC_LOCKED ) ? $lang['Topic_locked'] : $lang['No_new_posts'];
                                                $newest_post_img = '';
                                        }
                                }


                                $topic_author = ( $searchset[$i]['user_id'] != ANONYMOUS ) ? '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . '=' . $searchset[$i]['user_id']) . '">' : '';
                                $topic_author .= ( $searchset[$i]['user_id'] != ANONYMOUS ) ? $searchset[$i]['username'] : ( ( $searchset[$i]['post_username'] != '' ) ? $searchset[$i]['post_username'] : $lang['Guest'] );

                                $topic_author .= ( $searchset[$i]['user_id'] != ANONYMOUS ) ? '</a>' : '';

                                $first_post_time = create_date($board_config['default_dateformat'], $searchset[$i]['topic_time'], $board_config['board_timezone']);

                                $last_post_time = create_date($board_config['default_dateformat'], $searchset[$i]['post_time'], $board_config['board_timezone']);

                                $last_post_author = ( $searchset[$i]['id2'] == ANONYMOUS ) ? ( ($searchset[$i]['post_username2'] != '' ) ? $searchset[$i]['post_username2'] . ' ' : $lang['Guest'] . ' ' ) : '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . '='  . $searchset[$i]['id2']) . '">' . $searchset[$i]['user2'] . '</a>';

                                $last_post_url = '<a href="' . append_sid("viewtopic.$phpEx?"  . POST_POST_URL . '=' . $searchset[$i]['topic_last_post_id']) . '#' . $searchset[$i]['topic_last_post_id'] . '"><img src="' . $images['icon_latest_reply'] . '" alt="' . $lang['View_latest_post'] . '" title="' . $lang['View_latest_post'] . '" border="0" /></a>';

                                $template->assign_block_vars('searchresults', array( 
                                        'FORUM_NAME' => $searchset[$i]['forum_name'],
                                        'FORUM_ID' => $forum_id,
                                        'TOPIC_ID' => $topic_id,
                                        'FOLDER' => $folder_image,
                                        'NEWEST_POST_IMG' => $newest_post_img, 
                                        'TOPIC_FOLDER_IMG' => $folder_image, 
                                        'GOTO_PAGE' => $goto_page,
                                        'REPLIES' => $replies,
                                        'TOPIC_TITLE' => $topic_title,
                                        'TOPIC_TYPE' => $topic_type,
                                        'VIEWS' => $views,
                                        'TOPIC_AUTHOR' => $topic_author, 
                                        'FIRST_POST_TIME' => $first_post_time, 
                                        'LAST_POST_TIME' => $last_post_time,
                                        'LAST_POST_AUTHOR' => $last_post_author,
                                        'LAST_POST_IMG' => $last_post_url,

                                        'L_TOPIC_FOLDER_ALT' => $folder_alt, 

                                        'U_VIEW_FORUM' => $forum_url, 
                                        'U_VIEW_TOPIC' => $topic_url)
                                );
                        }
                }

                $base_url = "search.$phpEx?search_id=$search_id";

                $template->assign_vars(array(
                        'PAGINATION' => generate_pagination($base_url, $total_match_count, $per_page, $start),
                        'PAGE_NUMBER' => sprintf($lang['Page_of'], ( floor( $start / $per_page ) + 1 ), ceil( $total_match_count / $per_page )), 

                        'L_AUTHOR' => $lang['Author'],
                        'L_MESSAGE' => $lang['Message'],
                        'L_FORUM' => $lang['Forum'],
                        'L_TOPICS' => $lang['Topics'],
                        'L_REPLIES' => $lang['Replies'],
                        'L_VIEWS' => $lang['Views'],
                        'L_POSTS' => $lang['Posts'],
                        'L_LASTPOST' => $lang['Last_Post'], 
                        'L_POSTED' => $lang['Posted'], 
                        'L_SUBJECT' => $lang['Subject'],

                        'L_GOTO_PAGE' => $lang['Goto_page'])
                );

                $template->pparse('body');

                include($phpbb_root_path . 'includes/page_tail.'.$phpEx);
        }
        else
        {
                message_die(GENERAL_MESSAGE, $lang['No_search_match']);
        }
}

//
// Search forum
//
$sql = "SELECT c.cat_title, c.cat_id, f.forum_name, f.forum_id  
        FROM " . CATEGORIES_TABLE . " c, " . FORUMS_TABLE . " f
        WHERE f.cat_id = c.cat_id 
        ORDER BY c.cat_order, f.forum_order";
$result = $db->sql_query($sql);
if ( !$result )
{
        message_die(GENERAL_ERROR, 'Could not obtain forum_name/forum_id', '', __LINE__, __FILE__, $sql);
}

$is_auth_ary = auth(AUTH_READ, AUTH_LIST_ALL, $userdata);

$s_forums = '';
while( $row = $db->sql_fetchrow($result) )
{
        if ( $is_auth_ary[$row['forum_id']]['auth_read'] )
        {
                $s_forums .= '<option value="' . $row['forum_id'] . '">' . $row['forum_name'] . '</option>';
                if ( empty($list_cat[$row['cat_id']]) )
                {
                        $list_cat[$row['cat_id']] = $row['cat_title'];
                }
        }
}

if ( $s_forums != '' )
{
        $s_forums = '<option value="-1">' . $lang['All_available'] . '</option>' . $s_forums;

        //
        // Category to search
        //
        $s_categories = '<option value="-1">' . $lang['All_available'] . '</option>';
        while( list($cat_id, $cat_title) = @each($list_cat))
        {
                $s_categories .= '<option value="' . $cat_id . '">' . $cat_title . '</option>';
        }
}
else
{
        message_die(GENERAL_MESSAGE, $lang['No_searchable_forums']);
}

//
// Number of chars returned
//
$s_characters = '<option value="-1">' . $lang['All_available'] . '</option>';
$s_characters .= '<option value="0">0</option>';
$s_characters .= '<option value="25">25</option>';
$s_characters .= '<option value="50">50</option>';

for($i = 100; $i < 1100 ; $i += 100)
{
        $selected = ( $i == 200 ) ? ' selected="selected"' : '';
        $s_characters .= '<option value="' . $i . '"' . $selected . '>' . $i . '</option>';
}

//
// Sorting
//
$s_sort_by = "";
for($i = 0; $i < count($sort_by_types); $i++)
{
        $s_sort_by .= '<option value="' . $i . '">' . $sort_by_types[$i] . '</option>';
}

//
// Search time
//
$previous_days = array(0, 1, 7, 14, 30, 90, 180, 364);
$previous_days_text = array($lang['All_Posts'], $lang['1_Day'], $lang['7_Days'], $lang['2_Weeks'], $lang['1_Month'], $lang['3_Months'], $lang['6_Months'], $lang['1_Year']);

$s_time = '';
for($i = 0; $i < count($previous_days); $i++)
{
        $selected = ( $topic_days == $previous_days[$i] ) ? ' selected="selected"' : '';
        $s_time .= '<option value="' . $previous_days[$i] . '"' . $selected . '>' . $previous_days_text[$i] . '</option>';
}

//
// Output the basic page
//
$page_title = $lang['Search'];
include($phpbb_root_path . 'includes/page_header.'.$phpEx);

$template->set_filenames(array(
        'body' => 'search_body.tpl')
);
make_jumpbox('viewforum.'.$phpEx);

$template->assign_vars(array(
        'L_SEARCH_QUERY' => $lang['Search_query'], 
        'L_SEARCH_OPTIONS' => $lang['Search_options'], 
        'L_SEARCH_KEYWORDS' => $lang['Search_keywords'], 
        'L_SEARCH_KEYWORDS_EXPLAIN' => $lang['Search_keywords_explain'], 
        'L_SEARCH_AUTHOR' => $lang['Search_author'],
        'L_SEARCH_AUTHOR_EXPLAIN' => $lang['Search_author_explain'], 
        'L_SEARCH_ANY_TERMS' => $lang['Search_for_any'],
        'L_SEARCH_ALL_TERMS' => $lang['Search_for_all'], 
        'L_SEARCH_MESSAGE_ONLY' => $lang['Search_msg_only'], 
        'L_SEARCH_MESSAGE_TITLE' => $lang['Search_title_msg'], 
        'L_CATEGORY' => $lang['Category'], 
        'L_RETURN_FIRST' => $lang['Return_first'],
        'L_CHARACTERS' => $lang['characters_posts'], 
        'L_SORT_BY' => $lang['Sort_by'],
        'L_SORT_ASCENDING' => $lang['Sort_Ascending'],
        'L_SORT_DESCENDING' => $lang['Sort_Descending'],
        'L_SEARCH_PREVIOUS' => $lang['Search_previous'], 
        'L_DISPLAY_RESULTS' => $lang['Display_results'], 
        'L_FORUM' => $lang['Forum'],
        'L_TOPICS' => $lang['Topics'],
        'L_POSTS' => $lang['Posts'],

        'S_SEARCH_ACTION' => append_sid("search.$phpEx?mode=results"),
        'S_CHARACTER_OPTIONS' => $s_characters,
        'S_FORUM_OPTIONS' => $s_forums, 
        'S_CATEGORY_OPTIONS' => $s_categories, 
        'S_TIME_OPTIONS' => $s_time, 
        'S_SORT_OPTIONS' => $s_sort_by,
        'S_HIDDEN_FIELDS' => '')
);

$template->pparse('body');

include($phpbb_root_path . 'includes/page_tail.'.$phpEx);

?>