~azzar1/unity/add-show-desktop-key

<?php

/**

*

* @package phpBB3

* @version $Id: search.php,v 1.212 2007/10/05 14:30:06 acydburn Exp $

* @copyright (c) 2005 phpBB Group

* @license http://opensource.org/licenses/gpl-license.php GNU Public License

*

*/

/**

* @ignore

*/

define('IN_PHPBB', true);

$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';

$phpEx = substr(strrchr(__FILE__, '.'), 1);

include($phpbb_root_path . 'common.' . $phpEx);

// Start session management

$user->session_begin();

$auth->acl($user->data);

$user->setup('search');

// Define initial vars

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

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

$start			= max(request_var('start', 0), 0);

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

$topic_id		= request_var('t', 0);

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

$submit			= request_var('submit', false);

$keywords		= utf8_normalize_nfc(request_var('keywords', '', true));

$add_keywords	= utf8_normalize_nfc(request_var('add_keywords', '', true));

$author			= request_var('author', '', true);

$author_id		= request_var('author_id', 0);

$show_results	= ($topic_id) ? 'posts' : request_var('sr', 'posts');

$show_results	= ($show_results == 'posts') ? 'posts' : 'topics';

$search_terms	= request_var('terms', 'all');

$search_fields	= request_var('sf', 'all');

$search_child	= request_var('sc', true);

$sort_days		= request_var('st', 0);

$sort_key		= request_var('sk', 't');

$sort_dir		= request_var('sd', 'd');

$return_chars	= request_var('ch', ($topic_id) ? -1 : 300);

$search_forum	= request_var('fid', array(0));

// Is user able to search? Has search been disabled?

if (!$auth->acl_get('u_search') || !$auth->acl_getf_global('f_search') || !$config['load_search'])

{

	$template->assign_var('S_NO_SEARCH', true);

	trigger_error('NO_SEARCH');

}

// Check search load limit

if ($user->load && $config['limit_search_load'] && ($user->load > doubleval($config['limit_search_load'])))

{

	$template->assign_var('S_NO_SEARCH', true);

	trigger_error('NO_SEARCH_TIME');

}

// Check flood limit ... if applicable

$interval = ($user->data['user_id'] == ANONYMOUS) ? $config['search_anonymous_interval'] : $config['search_interval'];

if ($interval && !$auth->acl_get('u_ignoreflood'))

{

	if ($user->data['user_last_search'] > time() - $interval)

	{

		$template->assign_var('S_NO_SEARCH', true);

		trigger_error('NO_SEARCH_TIME');

	}

}

// Define some vars

$limit_days		= array(0 => $user->lang['ALL_RESULTS'], 1 => $user->lang['1_DAY'], 7 => $user->lang['7_DAYS'], 14 => $user->lang['2_WEEKS'], 30 => $user->lang['1_MONTH'], 90 => $user->lang['3_MONTHS'], 180 => $user->lang['6_MONTHS'], 365 => $user->lang['1_YEAR']);

$sort_by_text	= array('a' => $user->lang['SORT_AUTHOR'], 't' => $user->lang['SORT_TIME'], 'f' => $user->lang['SORT_FORUM'], 'i' => $user->lang['SORT_TOPIC_TITLE'], 's' => $user->lang['SORT_POST_SUBJECT']);

$s_limit_days = $s_sort_key = $s_sort_dir = $u_sort_param = '';

gen_sort_selects($limit_days, $sort_by_text, $sort_days, $sort_key, $sort_dir, $s_limit_days, $s_sort_key, $s_sort_dir, $u_sort_param);

if ($keywords || $author || $author_id || $search_id || $submit)

{

	// clear arrays

	$id_ary = array();

	// egosearch is an author search

	if ($search_id == 'egosearch')

	{

		$author_id = $user->data['user_id'];

		if ($user->data['user_id'] == ANONYMOUS)

		{

			login_box('', $user->lang['LOGIN_EXPLAIN_EGOSEARCH']);

		}

	}

	// If we are looking for authors get their ids

	$author_id_ary = array();

	if ($author_id)

	{

		$author_id_ary[] = $author_id;

	}

	else if ($author)

	{

		if ((strpos($author, '*') !== false) && (utf8_strlen(str_replace(array('*', '%'), '', $author)) < $config['min_search_author_chars']))

		{

			trigger_error(sprintf($user->lang['TOO_FEW_AUTHOR_CHARS'], $config['min_search_author_chars']));

		}

		$sql_where = (strpos($author, '*') !== false) ? ' username_clean ' . $db->sql_like_expression(str_replace('*', $db->any_char, utf8_clean_string($author))) : " username_clean = '" . $db->sql_escape(utf8_clean_string($author)) . "'";

		$sql = 'SELECT user_id

			FROM ' . USERS_TABLE . "

			WHERE $sql_where

				AND user_type IN (" . USER_NORMAL . ', ' . USER_FOUNDER . ')';

		$result = $db->sql_query_limit($sql, 100);

		while ($row = $db->sql_fetchrow($result))

		{

			$author_id_ary[] = (int) $row['user_id'];

		}

		$db->sql_freeresult($result);

		if (!sizeof($author_id_ary))

		{

			trigger_error('NO_SEARCH_RESULTS');

		}

	}

	// if we search in an existing search result just add the additional keywords. But we need to use "all search terms"-mode

	// so we can keep the old keywords in their old mode, but add the new ones as required words

	if ($add_keywords)

	{

		if ($search_terms == 'all')

		{

			$keywords .= ' ' . $add_keywords;

		}

		else

		{

			$search_terms = 'all';

			$keywords = implode(' |', explode(' ', preg_replace('#\s+#u', ' ', $keywords))) . ' ' .$add_keywords;

		}

	}

	// Which forums should not be searched? Author searches are also carried out in unindexed forums

	if (empty($keywords) && sizeof($author_id_ary))

	{

		$ex_fid_ary = array_keys($auth->acl_getf('!f_read', true));

	}

	else

	{

		$ex_fid_ary = array_unique(array_merge(array_keys($auth->acl_getf('!f_read', true)), array_keys($auth->acl_getf('!f_search', true))));

	}

	$not_in_fid = (sizeof($ex_fid_ary)) ? 'WHERE ' . $db->sql_in_set('f.forum_id', $ex_fid_ary, true) . " OR (f.forum_password <> '' AND fa.user_id <> " . (int) $user->data['user_id'] . ')' : "";

	$sql = 'SELECT f.forum_id, f.forum_name, f.parent_id, f.forum_type, f.right_id, f.forum_password, fa.user_id

		FROM ' . FORUMS_TABLE . ' f

		LEFT JOIN ' . FORUMS_ACCESS_TABLE . " fa ON (fa.forum_id = f.forum_id

			AND fa.session_id = '" . $db->sql_escape($user->session_id) . "')

		$not_in_fid

		ORDER BY f.left_id";

	$result = $db->sql_query($sql);

	$right_id = 0;

	$reset_search_forum = true;

	while ($row = $db->sql_fetchrow($result))

	{

		if ($row['forum_password'] && $row['user_id'] != $user->data['user_id'])

		{

			$ex_fid_ary[] = (int) $row['forum_id'];

			continue;

		}

		if (sizeof($search_forum))

		{

			if ($search_child)

			{

				if (in_array($row['forum_id'], $search_forum) && $row['right_id'] > $right_id)

				{

					$right_id = (int) $row['right_id'];

				}

				else if ($row['right_id'] < $right_id)

				{

					continue;

				}

			}

			if (!in_array($row['forum_id'], $search_forum))

			{

				$ex_fid_ary[] = (int) $row['forum_id'];

				$reset_search_forum = false;

			}

		}

	}

	$db->sql_freeresult($result);

	// find out in which forums the user is allowed to view approved posts

	if ($auth->acl_get('m_approve'))

	{

		$m_approve_fid_ary = array(-1);

		$m_approve_fid_sql = '';

	}

	else if ($auth->acl_getf_global('m_approve'))

	{

		$m_approve_fid_ary = array_diff(array_keys($auth->acl_getf('!m_approve', true)), $ex_fid_ary);

		$m_approve_fid_sql = ' AND (p.post_approved = 1' . ((sizeof($m_approve_fid_ary)) ? ' OR ' . $db->sql_in_set('p.forum_id', $m_approve_fid_ary, true) : '') . ')';

	}

	else

	{

		$m_approve_fid_ary = array();

		$m_approve_fid_sql = ' AND p.post_approved = 1';

	}

	if ($reset_search_forum)

	{

		$search_forum = array();

	}

	// Select which method we'll use to obtain the post_id or topic_id information

	$search_type = basename($config['search_type']);

	if (!file_exists($phpbb_root_path . 'includes/search/' . $search_type . '.' . $phpEx))

	{

		trigger_error('NO_SUCH_SEARCH_MODULE');

	}

	require("{$phpbb_root_path}includes/search/$search_type.$phpEx");

	// We do some additional checks in the module to ensure it can actually be utilised

	$error = false;

	$search = new $search_type($error);

	if ($error)

	{

		trigger_error($error);

	}

	// let the search module split up the keywords

	if ($keywords)

	{

		$correct_query = $search->split_keywords($keywords, $search_terms);

		if (!$correct_query || (empty($search->search_query) && !sizeof($author_id_ary) && !$search_id))

		{

			$ignored = (sizeof($search->common_words)) ? sprintf($user->lang['IGNORED_TERMS_EXPLAIN'], implode(' ', $search->common_words)) . '<br />' : '';

			trigger_error($ignored . sprintf($user->lang['NO_KEYWORDS'], $search->word_length['min'], $search->word_length['max']));

		}

	}

	if (!$keywords && sizeof($author_id_ary))

	{

		// if it is an author search we want to show topics by default

		$show_results = ($topic_id) ? 'posts' : request_var('sr', ($search_id == 'egosearch') ? 'topics' : 'posts');

		$show_results = ($show_results == 'posts') ? 'posts' : 'topics';

	}

	// define some variables needed for retrieving post_id/topic_id information

	$sort_by_sql = array('a' => 'u.username_clean', 't' => (($show_results == 'posts') ? 'p.post_time' : 't.topic_last_post_time'), 'f' => 'f.forum_id', 'i' => 't.topic_title', 's' => (($show_results == 'posts') ? 'p.post_subject' : 't.topic_title'));

	// pre-made searches

	$sql = $field = $l_search_title = '';

	if ($search_id)

	{

		switch ($search_id)

		{

			// Oh holy Bob, bring us some activity...

			case 'active_topics':

				$l_search_title = $user->lang['SEARCH_ACTIVE_TOPICS'];

				$show_results = 'topics';

				$sort_key = 't';

				$sort_dir = 'd';

				$sort_days = request_var('st', 7);

				$sort_by_sql['t'] = 't.topic_last_post_time';

				gen_sort_selects($limit_days, $sort_by_text, $sort_days, $sort_key, $sort_dir, $s_limit_days, $s_sort_key, $s_sort_dir, $u_sort_param);

				$s_sort_key = $s_sort_dir = '';

				$last_post_time_sql = ($sort_days) ? ' AND t.topic_last_post_time > ' . (time() - ($sort_days * 24 * 3600)) : '';

				$sql = 'SELECT t.topic_last_post_time, t.topic_id

					FROM ' . TOPICS_TABLE . " t

					WHERE t.topic_moved_id = 0

						$last_post_time_sql

						" . str_replace(array('p.', 'post_'), array('t.', 'topic_'), $m_approve_fid_sql) . '

						' . ((sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('t.forum_id', $ex_fid_ary, true) : '') . '

					ORDER BY t.topic_last_post_time DESC';

				$field = 'topic_id';

			break;

			case 'unanswered':

				$l_search_title = $user->lang['SEARCH_UNANSWERED'];

				$show_results = request_var('sr', 'topics');

				$show_results = ($show_results == 'posts') ? 'posts' : 'topics';

				$sort_by_sql['t'] = ($show_results == 'posts') ? 'p.post_time' : 't.topic_last_post_time';

				$sort_by_sql['s'] = ($show_results == 'posts') ? 'p.post_subject' : 't.topic_title';

				$sql_sort = 'ORDER BY ' . $sort_by_sql[$sort_key] . (($sort_dir == 'a') ? ' ASC' : ' DESC');

				$sort_join = ($sort_key == 'f') ? FORUMS_TABLE . ' f, ' : '';

				$sql_sort = ($sort_key == 'f') ? ' AND f.forum_id = p.forum_id ' . $sql_sort : $sql_sort;

				if ($sort_days)

				{

					$last_post_time = 'AND p.post_time > ' . (time() - ($sort_days * 24 * 3600));

				}

				else

				{

					$last_post_time = '';

				}

				if ($sort_key == 'a')

				{

					$sort_join = USERS_TABLE . ' u, ';

					$sql_sort = ' AND u.user_id = p.poster_id ' . $sql_sort;

				}

				if ($show_results == 'posts')

				{

					$sql = "SELECT p.post_id

						FROM $sort_join" . POSTS_TABLE . ' p, ' . TOPICS_TABLE . " t

						WHERE t.topic_replies = 0

							AND p.topic_id = t.topic_id

							$last_post_time

							$m_approve_fid_sql

							" . ((sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '') . "

							$sql_sort";

					$field = 'post_id';

				}

				else

				{

					$sql = 'SELECT DISTINCT ' . $sort_by_sql[$sort_key] . ", p.topic_id

						FROM $sort_join" . POSTS_TABLE . ' p, ' . TOPICS_TABLE . " t

						WHERE t.topic_replies = 0

							AND t.topic_moved_id = 0

							AND p.topic_id = t.topic_id

							$last_post_time

							$m_approve_fid_sql

							" . ((sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '') . "

						$sql_sort";

					$field = 'topic_id';

				}

			break;

			case 'newposts':

				$l_search_title = $user->lang['SEARCH_NEW'];

				// force sorting

				$show_results = (request_var('sr', 'topics') == 'posts') ? 'posts' : 'topics';

				$sort_key = 't';

				$sort_dir = 'd';

				$sort_by_sql['t'] = ($show_results == 'posts') ? 'p.post_time' : 't.topic_last_post_time';

				$sql_sort = 'ORDER BY ' . $sort_by_sql[$sort_key] . (($sort_dir == 'a') ? ' ASC' : ' DESC');

				gen_sort_selects($limit_days, $sort_by_text, $sort_days, $sort_key, $sort_dir, $s_limit_days, $s_sort_key, $s_sort_dir, $u_sort_param);

				$s_sort_key = $s_sort_dir = $u_sort_param = $s_limit_days = '';

				if ($show_results == 'posts')

				{

					$sql = 'SELECT p.post_id

						FROM ' . POSTS_TABLE . ' p

						WHERE p.post_time > ' . $user->data['user_lastvisit'] . "

							$m_approve_fid_sql

							" . ((sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '') . "

						$sql_sort";

					$field = 'post_id';

				}

				else

				{

					$sql = 'SELECT t.topic_id

						FROM ' . TOPICS_TABLE . ' t

						WHERE t.topic_last_post_time > ' . $user->data['user_lastvisit'] . '

							AND t.topic_moved_id = 0

							' . str_replace(array('p.', 'post_'), array('t.', 'topic_'), $m_approve_fid_sql) . '

							' . ((sizeof($ex_fid_ary)) ? 'AND ' . $db->sql_in_set('t.forum_id', $ex_fid_ary, true) : '') . "

						$sql_sort";

					$field = 'topic_id';

				}

			break;

			case 'egosearch':

				$l_search_title = $user->lang['SEARCH_SELF'];

			break;

		}

	}

	// show_results should not change after this

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

	$total_match_count = 0;

	if ($search_id)

	{

		if ($sql)

		{

			// only return up to 1000 ids (the last one will be removed later)

			$result = $db->sql_query_limit($sql, 1001 - $start, $start);

			while ($row = $db->sql_fetchrow($result))

			{

				$id_ary[] = $row[$field];

			}

			$db->sql_freeresult($result);

			$total_match_count = sizeof($id_ary) + $start;

			$id_ary = array_slice($id_ary, 0, $per_page);

		}

		else

		{

			$search_id = '';

		}

	}

	// make sure that some arrays are always in the same order

	sort($ex_fid_ary);

	sort($m_approve_fid_ary);

	sort($author_id_ary);

	if (!empty($search->search_query))

	{

		$total_match_count = $search->keyword_search($show_results, $search_fields, $search_terms, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_fid_ary, $topic_id, $author_id_ary, $id_ary, $start, $per_page);

	}

	else if (sizeof($author_id_ary))

	{

		$firstpost_only = ($search_fields === 'firstpost') ? true : false;

		$total_match_count = $search->author_search($show_results, $firstpost_only, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_fid_ary, $topic_id, $author_id_ary, $id_ary, $start, $per_page);

	}

	// For some searches we need to print out the "no results" page directly to allow re-sorting/refining the search options.

	if (!sizeof($id_ary) && !$search_id)

	{

		trigger_error('NO_SEARCH_RESULTS');

	}

	$sql_where = '';

	if (sizeof($id_ary))

	{

		$sql_where .= $db->sql_in_set(($show_results == 'posts') ? 'p.post_id' : 't.topic_id', $id_ary);

		$sql_where .= (sizeof($ex_fid_ary)) ? ' AND (' . $db->sql_in_set('f.forum_id', $ex_fid_ary, true) . ' OR f.forum_id IS NULL)' : '';

		$sql_where .= ($show_results == 'posts') ? $m_approve_fid_sql : str_replace(array('p.post_approved', 'p.forum_id'), array('t.topic_approved', 't.forum_id'), $m_approve_fid_sql);

	}

	if ($show_results == 'posts')

	{

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

	}

	else

	{

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

	}

	$user->add_lang('viewtopic');

	// Grab icons

	$icons = $cache->obtain_icons();

	// Output header

	if ($search_id && ($total_match_count > 1000))

	{

		// limit the number to 1000 for pre-made searches

		$total_match_count--;

		$l_search_matches = sprintf($user->lang['FOUND_MORE_SEARCH_MATCHES'], $total_match_count);

	}

	else

	{

		$l_search_matches = ($total_match_count == 1) ? sprintf($user->lang['FOUND_SEARCH_MATCH'], $total_match_count) : sprintf($user->lang['FOUND_SEARCH_MATCHES'], $total_match_count);

	}

	// define some vars for urls

	$hilit = implode('|', explode(' ', preg_replace('#\s+#u', ' ', str_replace(array('+', '-', '|', '(', ')', '"'), ' ', $keywords))));

	$u_hilit = urlencode(htmlspecialchars_decode(str_replace('|', ' ', $hilit)));

	$u_show_results = ($show_results != 'posts') ? '&sr=' . $show_results : '';

	$u_search_forum = implode('&fid%5B%5D=', $search_forum);

	$u_search = append_sid("{$phpbb_root_path}search.$phpEx", $u_sort_param . $u_show_results);

	$u_search .= ($search_id) ? '&search_id=' . $search_id : '';

	$u_search .= ($u_hilit) ? '&keywords=' . urlencode(htmlspecialchars_decode($search->search_query)) : '';

	$u_search .= ($topic_id) ? '&t=' . $topic_id : '';

	$u_search .= ($author) ? '&author=' . urlencode(htmlspecialchars_decode($author)) : '';

	$u_search .= ($author_id) ? '&author_id=' . $author_id : '';

	$u_search .= ($u_search_forum) ? '&fid%5B%5D=' . $u_search_forum : '';

	$u_search .= (!$search_child) ? '&sc=0' : '';

	$u_search .= ($search_fields != 'all') ? '&sf=' . $search_fields : '';

	$u_search .= ($return_chars != 300) ? '&ch=' . $return_chars : '';

	$template->assign_vars(array(

		'SEARCH_TITLE'		=> $l_search_title,

		'SEARCH_MATCHES'	=> $l_search_matches,

		'SEARCH_WORDS'		=> $search->search_query,

		'IGNORED_WORDS'		=> (sizeof($search->common_words)) ? implode(' ', $search->common_words) : '',

		'PAGINATION'		=> generate_pagination($u_search, $total_match_count, $per_page, $start),

		'PAGE_NUMBER'		=> on_page($total_match_count, $per_page, $start),

		'TOTAL_MATCHES'		=> $total_match_count,

		'SEARCH_IN_RESULTS'	=> ($search_id) ? false : true,

		'S_SELECT_SORT_DIR'		=> $s_sort_dir,

		'S_SELECT_SORT_KEY'		=> $s_sort_key,

		'S_SELECT_SORT_DAYS'	=> $s_limit_days,

		'S_SEARCH_ACTION'		=> $u_search,

		'S_SHOW_TOPICS'			=> ($show_results == 'posts') ? false : true,

		'GOTO_PAGE_IMG'		=> $user->img('icon_post_target', 'GOTO_PAGE'),

		'NEWEST_POST_IMG'	=> $user->img('icon_topic_newest', 'VIEW_NEWEST_POST'),

		'REPORTED_IMG'		=> $user->img('icon_topic_reported', 'TOPIC_REPORTED'),

		'UNAPPROVED_IMG'	=> $user->img('icon_topic_unapproved', 'TOPIC_UNAPPROVED'),

		'LAST_POST_IMG'		=> $user->img('icon_topic_latest', 'VIEW_LATEST_POST'),

		'U_SEARCH_WORDS'	=> $u_search,

	));

	if ($sql_where)

	{

		if ($show_results == 'posts')

		{

			// @todo Joining this query to the one below?

			$sql = 'SELECT zebra_id, friend, foe

				FROM ' . ZEBRA_TABLE . '

				WHERE user_id = ' . $user->data['user_id'];

			$result = $db->sql_query($sql);

			$zebra = array();

			while ($row = $db->sql_fetchrow($result))

			{

				$zebra[($row['friend']) ? 'friend' : 'foe'][] = $row['zebra_id'];

			}

			$db->sql_freeresult($result);

			$sql = 'SELECT p.*, f.forum_id, f.forum_name, t.*, u.username, u.username_clean, u.user_sig, u.user_sig_bbcode_uid, u.user_colour

				FROM ' . POSTS_TABLE . ' p

					LEFT JOIN ' . TOPICS_TABLE . ' t ON (p.topic_id = t.topic_id)

					LEFT JOIN ' . FORUMS_TABLE . ' f ON (p.forum_id = f.forum_id)

					LEFT JOIN ' . USERS_TABLE . " u ON (p.poster_id = u.user_id)

				WHERE $sql_where";

		}

		else

		{

			$sql_from = TOPICS_TABLE . ' t

				LEFT JOIN ' . FORUMS_TABLE . ' f ON (f.forum_id = t.forum_id)

				' . (($sort_key == 'a') ? ' LEFT JOIN ' . USERS_TABLE . ' u ON (u.user_id = t.topic_poster) ' : '');

			$sql_select = 't.*, f.forum_id, f.forum_name';

			if ($user->data['is_registered'])

			{

				if ($config['load_db_track'])

				{

					$sql_from .= ' LEFT JOIN ' . TOPICS_POSTED_TABLE . ' tp ON (tp.user_id = ' . $user->data['user_id'] . '

						AND t.topic_id = tp.topic_id)';

					$sql_select .= ', tp.topic_posted';

				}

				if ($config['load_db_lastread'])

				{

					$sql_from .= ' LEFT JOIN ' . TOPICS_TRACK_TABLE . ' tt ON (tt.user_id = ' . $user->data['user_id'] . '

							AND t.topic_id = tt.topic_id)

						LEFT JOIN ' . FORUMS_TRACK_TABLE . ' ft ON (ft.user_id = ' . $user->data['user_id'] . '

							AND ft.forum_id = f.forum_id)';

					$sql_select .= ', tt.mark_time, ft.mark_time as f_mark_time';

				}

			}

			if ($config['load_anon_lastread'] || ($user->data['is_registered'] && !$config['load_db_lastread']))

			{

				$tracking_topics = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : '';

				$tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array();

			}

			$sql = "SELECT $sql_select

				FROM $sql_from

				WHERE $sql_where";

		}

		$sql .= ' ORDER BY ' . $sort_by_sql[$sort_key] . ' ' . (($sort_dir == 'd') ? 'DESC' : 'ASC');

		$result = $db->sql_query($sql);

		$result_topic_id = 0;

		$rowset = array();

		if ($show_results == 'topics')

		{

			$forums = $rowset = $shadow_topic_list = array();

			while ($row = $db->sql_fetchrow($result))

			{

				if ($row['topic_status'] == ITEM_MOVED)

				{

					$shadow_topic_list[$row['topic_moved_id']] = $row['topic_id'];

				}

				$rowset[$row['topic_id']] = $row;

				if (!isset($forums[$row['forum_id']]) && $user->data['is_registered'] && $config['load_db_lastread'])

				{

					$forums[$row['forum_id']]['mark_time'] = $row['f_mark_time'];

				}

				$forums[$row['forum_id']]['topic_list'][] = $row['topic_id'];

				$forums[$row['forum_id']]['rowset'][$row['topic_id']] = &$rowset[$row['topic_id']];

			}

			$db->sql_freeresult($result);

			// If we have some shadow topics, update the rowset to reflect their topic information

			if (sizeof($shadow_topic_list))

			{

				$sql = 'SELECT *

					FROM ' . TOPICS_TABLE . '

					WHERE ' . $db->sql_in_set('topic_id', array_keys($shadow_topic_list));

				$result = $db->sql_query($sql);

				while ($row = $db->sql_fetchrow($result))

				{

					$orig_topic_id = $shadow_topic_list[$row['topic_id']];

					// We want to retain some values

					$row = array_merge($row, array(

						'topic_moved_id'	=> $rowset[$orig_topic_id]['topic_moved_id'],

						'topic_status'		=> $rowset[$orig_topic_id]['topic_status'],

						'forum_name'		=> $rowset[$orig_topic_id]['forum_name'])

					);

					$rowset[$orig_topic_id] = $row;

				}

				$db->sql_freeresult($result);

			}

			unset($shadow_topic_list);

			foreach ($forums as $forum_id => $forum)

			{

				if ($user->data['is_registered'] && $config['load_db_lastread'])

				{

					$topic_tracking_info[$forum_id] = get_topic_tracking($forum_id, $forum['topic_list'], $forum['rowset'], array($forum_id => $forum['mark_time']), ($forum_id) ? false : $forum['topic_list']);

				}

				else if ($config['load_anon_lastread'] || $user->data['is_registered'])

				{

					$topic_tracking_info[$forum_id] = get_complete_topic_tracking($forum_id, $forum['topic_list'], ($forum_id) ? false : $forum['topic_list']);

					if (!$user->data['is_registered'])

					{

						$user->data['user_lastmark'] = (isset($tracking_topics['l'])) ? (int) (base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate']) : 0;

					}

				}

			}

			unset($forums);

		}

		else

		{

			$bbcode_bitfield = $text_only_message = '';

			$attach_list = array();

			while ($row = $db->sql_fetchrow($result))

			{

				// We pre-process some variables here for later usage

				$row['post_text'] = censor_text($row['post_text']);

				$text_only_message = $row['post_text'];

				// make list items visible as such

				if ($row['bbcode_uid'])

				{

					$text_only_message = str_replace('[*:' . $row['bbcode_uid'] . ']', '⋅ ', $text_only_message);

					// no BBCode in text only message

					strip_bbcode($text_only_message, $row['bbcode_uid']);

				}

				if ($return_chars == -1 || utf8_strlen($text_only_message) < ($return_chars + 3))

				{

					$row['display_text_only'] = false;

					$bbcode_bitfield = $bbcode_bitfield | base64_decode($row['bbcode_bitfield']);

					// Does this post have an attachment? If so, add it to the list

					if ($row['post_attachment'] && $config['allow_attachments'])

					{

						$attach_list[$row['forum_id']][] = $row['post_id'];

					}

				}

				else

				{

					$row['post_text'] = $text_only_message;

					$row['display_text_only'] = true;

				}

				$rowset[] = $row;

			}

			$db->sql_freeresult($result);

			unset($text_only_message);

			// Instantiate BBCode if needed