--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/forum/Sources/Recent.php	Sun Jul 07 11:25:48 2013 +0200
@@ -0,0 +1,1323 @@
+<?php
+
+/**
+ * Simple Machines Forum (SMF)
+ *
+ * @package SMF
+ * @author Simple Machines http://www.simplemachines.org
+ * @copyright 2011 Simple Machines
+ * @license http://www.simplemachines.org/about/smf/license.php BSD
+ *
+ * @version 2.0
+ */
+
+if (!defined('SMF'))
+	die('Hacking attempt...');
+
+/*	This file had one very clear purpose.  It is here expressly to find and
+	retrieve information about recently posted topics, messages, and the like.
+
+	array getLastPost()
+		// !!!
+
+	array getLastPosts(int number_of_posts)
+		// !!!
+
+	void RecentPosts()
+		// !!!
+
+	void UnreadTopics()
+		// !!!
+*/
+
+// Get the latest post.
+function getLastPost()
+{
+	global $user_info, $scripturl, $modSettings, $smcFunc;
+
+	// Find it by the board - better to order by board than sort the entire messages table.
+	$request = $smcFunc['db_query']('substring', '
+		SELECT ml.poster_time, ml.subject, ml.id_topic, ml.poster_name, SUBSTRING(ml.body, 1, 385) AS body,
+			ml.smileys_enabled
+		FROM {db_prefix}boards AS b
+			INNER JOIN {db_prefix}messages AS ml ON (ml.id_msg = b.id_last_msg)
+		WHERE {query_wanna_see_board}' . (!empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] > 0 ? '
+			AND b.id_board != {int:recycle_board}' : '') . '
+			AND ml.approved = {int:is_approved}
+		ORDER BY b.id_msg_updated DESC
+		LIMIT 1',
+		array(
+			'recycle_board' => $modSettings['recycle_board'],
+			'is_approved' => 1,
+		)
+	);
+	if ($smcFunc['db_num_rows']($request) == 0)
+		return array();
+	$row = $smcFunc['db_fetch_assoc']($request);
+	$smcFunc['db_free_result']($request);
+
+	// Censor the subject and post...
+	censorText($row['subject']);
+	censorText($row['body']);
+
+	$row['body'] = strip_tags(strtr(parse_bbc($row['body'], $row['smileys_enabled']), array('<br />' => '&#10;')));
+	if ($smcFunc['strlen']($row['body']) > 128)
+		$row['body'] = $smcFunc['substr']($row['body'], 0, 128) . '...';
+
+	// Send the data.
+	return array(
+		'topic' => $row['id_topic'],
+		'subject' => $row['subject'],
+		'short_subject' => shorten_subject($row['subject'], 24),
+		'preview' => $row['body'],
+		'time' => timeformat($row['poster_time']),
+		'timestamp' => forum_time(true, $row['poster_time']),
+		'href' => $scripturl . '?topic=' . $row['id_topic'] . '.new;topicseen#new',
+		'link' => '<a href="' . $scripturl . '?topic=' . $row['id_topic'] . '.new;topicseen#new">' . $row['subject'] . '</a>'
+	);
+}
+
+// Find the ten most recent posts.
+function RecentPosts()
+{
+	global $txt, $scripturl, $user_info, $context, $modSettings, $sourcedir, $board, $smcFunc;
+
+	loadTemplate('Recent');
+	$context['page_title'] = $txt['recent_posts'];
+
+	if (isset($_REQUEST['start']) && $_REQUEST['start'] > 95)
+		$_REQUEST['start'] = 95;
+
+	$query_parameters = array();
+	if (!empty($_REQUEST['c']) && empty($board))
+	{
+		$_REQUEST['c'] = explode(',', $_REQUEST['c']);
+		foreach ($_REQUEST['c'] as $i => $c)
+			$_REQUEST['c'][$i] = (int) $c;
+
+		if (count($_REQUEST['c']) == 1)
+		{
+			$request = $smcFunc['db_query']('', '
+				SELECT name
+				FROM {db_prefix}categories
+				WHERE id_cat = {int:id_cat}
+				LIMIT 1',
+				array(
+					'id_cat' => $_REQUEST['c'][0],
+				)
+			);
+			list ($name) = $smcFunc['db_fetch_row']($request);
+			$smcFunc['db_free_result']($request);
+
+			if (empty($name))
+				fatal_lang_error('no_access', false);
+
+			$context['linktree'][] = array(
+				'url' => $scripturl . '#c' . (int) $_REQUEST['c'],
+				'name' => $name
+			);
+		}
+
+		$request = $smcFunc['db_query']('', '
+			SELECT b.id_board, b.num_posts
+			FROM {db_prefix}boards AS b
+			WHERE b.id_cat IN ({array_int:category_list})
+				AND {query_see_board}',
+			array(
+				'category_list' => $_REQUEST['c'],
+			)
+		);
+		$total_cat_posts = 0;
+		$boards = array();
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+		{
+			$boards[] = $row['id_board'];
+			$total_cat_posts += $row['num_posts'];
+		}
+		$smcFunc['db_free_result']($request);
+
+		if (empty($boards))
+			fatal_lang_error('error_no_boards_selected');
+
+		$query_this_board = 'b.id_board IN ({array_int:boards})';
+		$query_parameters['boards'] = $boards;
+
+		// If this category has a significant number of posts in it...
+		if ($total_cat_posts > 100 && $total_cat_posts > $modSettings['totalMessages'] / 15)
+		{
+			$query_this_board .= '
+					AND m.id_msg >= {int:max_id_msg}';
+			$query_parameters['max_id_msg'] = max(0, $modSettings['maxMsgID'] - 400 - $_REQUEST['start'] * 7);
+		}
+
+		$context['page_index'] = constructPageIndex($scripturl . '?action=recent;c=' . implode(',', $_REQUEST['c']), $_REQUEST['start'], min(100, $total_cat_posts), 10, false);
+	}
+	elseif (!empty($_REQUEST['boards']))
+	{
+		$_REQUEST['boards'] = explode(',', $_REQUEST['boards']);
+		foreach ($_REQUEST['boards'] as $i => $b)
+			$_REQUEST['boards'][$i] = (int) $b;
+
+		$request = $smcFunc['db_query']('', '
+			SELECT b.id_board, b.num_posts
+			FROM {db_prefix}boards AS b
+			WHERE b.id_board IN ({array_int:board_list})
+				AND {query_see_board}
+			LIMIT {int:limit}',
+			array(
+				'board_list' => $_REQUEST['boards'],
+				'limit' => count($_REQUEST['boards']),
+			)
+		);
+		$total_posts = 0;
+		$boards = array();
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+		{
+			$boards[] = $row['id_board'];
+			$total_posts += $row['num_posts'];
+		}
+		$smcFunc['db_free_result']($request);
+
+		if (empty($boards))
+			fatal_lang_error('error_no_boards_selected');
+
+		$query_this_board = 'b.id_board IN ({array_int:boards})';
+		$query_parameters['boards'] = $boards;
+
+		// If these boards have a significant number of posts in them...
+		if ($total_posts > 100 && $total_posts > $modSettings['totalMessages'] / 12)
+		{
+			$query_this_board .= '
+					AND m.id_msg >= {int:max_id_msg}';
+			$query_parameters['max_id_msg'] = max(0, $modSettings['maxMsgID'] - 500 - $_REQUEST['start'] * 9);
+		}
+
+		$context['page_index'] = constructPageIndex($scripturl . '?action=recent;boards=' . implode(',', $_REQUEST['boards']), $_REQUEST['start'], min(100, $total_posts), 10, false);
+	}
+	elseif (!empty($board))
+	{
+		$request = $smcFunc['db_query']('', '
+			SELECT num_posts
+			FROM {db_prefix}boards
+			WHERE id_board = {int:current_board}
+			LIMIT 1',
+			array(
+				'current_board' => $board,
+			)
+		);
+		list ($total_posts) = $smcFunc['db_fetch_row']($request);
+		$smcFunc['db_free_result']($request);
+
+		$query_this_board = 'b.id_board = {int:board}';
+		$query_parameters['board'] = $board;
+
+		// If this board has a significant number of posts in it...
+		if ($total_posts > 80 && $total_posts > $modSettings['totalMessages'] / 10)
+		{
+			$query_this_board .= '
+					AND m.id_msg >= {int:max_id_msg}';
+			$query_parameters['max_id_msg'] = max(0, $modSettings['maxMsgID'] - 600 - $_REQUEST['start'] * 10);
+		}
+
+		$context['page_index'] = constructPageIndex($scripturl . '?action=recent;board=' . $board . '.%1$d', $_REQUEST['start'], min(100, $total_posts), 10, true);
+	}
+	else
+	{
+		$query_this_board = '{query_wanna_see_board}' . (!empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] > 0 ? '
+					AND b.id_board != {int:recycle_board}' : ''). '
+					AND m.id_msg >= {int:max_id_msg}';
+		$query_parameters['max_id_msg'] = max(0, $modSettings['maxMsgID'] - 100 - $_REQUEST['start'] * 6);
+		$query_parameters['recycle_board'] = $modSettings['recycle_board'];
+
+		// !!! This isn't accurate because we ignore the recycle bin.
+		$context['page_index'] = constructPageIndex($scripturl . '?action=recent', $_REQUEST['start'], min(100, $modSettings['totalMessages']), 10, false);
+	}
+
+	$context['linktree'][] = array(
+		'url' => $scripturl . '?action=recent' . (empty($board) ? (empty($_REQUEST['c']) ? '' : ';c=' . (int) $_REQUEST['c']) : ';board=' . $board . '.0'),
+		'name' => $context['page_title']
+	);
+
+	$key = 'recent-' . $user_info['id'] . '-' . md5(serialize(array_diff_key($query_parameters, array('max_id_msg' => 0)))) . '-' . (int) $_REQUEST['start'];
+	if (empty($modSettings['cache_enable']) || ($messages = cache_get_data($key, 120)) == null)
+	{
+		$done = false;
+		while (!$done)
+		{
+			// Find the 10 most recent messages they can *view*.
+			// !!!SLOW This query is really slow still, probably?
+			$request = $smcFunc['db_query']('', '
+				SELECT m.id_msg
+				FROM {db_prefix}messages AS m
+					INNER JOIN {db_prefix}boards AS b ON (b.id_board = m.id_board)
+				WHERE ' . $query_this_board . '
+					AND m.approved = {int:is_approved}
+				ORDER BY m.id_msg DESC
+				LIMIT {int:offset}, {int:limit}',
+				array_merge($query_parameters, array(
+					'is_approved' => 1,
+					'offset' => $_REQUEST['start'],
+					'limit' => 10,
+				))
+			);
+			// If we don't have 10 results, try again with an unoptimized version covering all rows, and cache the result.
+			if (isset($query_parameters['max_id_msg']) && $smcFunc['db_num_rows']($request) < 10)
+			{
+				$smcFunc['db_free_result']($request);
+				$query_this_board = str_replace('AND m.id_msg >= {int:max_id_msg}', '', $query_this_board);
+				$cache_results = true;
+				unset($query_parameters['max_id_msg']);
+			}
+			else
+				$done = true;
+		}
+		$messages = array();
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+			$messages[] = $row['id_msg'];
+		$smcFunc['db_free_result']($request);
+		if (!empty($cache_results))
+			cache_put_data($key, $messages, 120);
+	}
+
+	// Nothing here... Or at least, nothing you can see...
+	if (empty($messages))
+	{
+		$context['posts'] = array();
+		return;
+	}
+
+	// Get all the most recent posts.
+	$request = $smcFunc['db_query']('', '
+		SELECT
+			m.id_msg, m.subject, m.smileys_enabled, m.poster_time, m.body, m.id_topic, t.id_board, b.id_cat,
+			b.name AS bname, c.name AS cname, t.num_replies, m.id_member, m2.id_member AS id_first_member,
+			IFNULL(mem2.real_name, m2.poster_name) AS first_poster_name, t.id_first_msg,
+			IFNULL(mem.real_name, m.poster_name) AS poster_name, t.id_last_msg
+		FROM {db_prefix}messages AS m
+			INNER JOIN {db_prefix}topics AS t ON (t.id_topic = m.id_topic)
+			INNER JOIN {db_prefix}boards AS b ON (b.id_board = t.id_board)
+			INNER JOIN {db_prefix}categories AS c ON (c.id_cat = b.id_cat)
+			INNER JOIN {db_prefix}messages AS m2 ON (m2.id_msg = t.id_first_msg)
+			LEFT JOIN {db_prefix}members AS mem ON (mem.id_member = m.id_member)
+			LEFT JOIN {db_prefix}members AS mem2 ON (mem2.id_member = m2.id_member)
+		WHERE m.id_msg IN ({array_int:message_list})
+		ORDER BY m.id_msg DESC
+		LIMIT ' . count($messages),
+		array(
+			'message_list' => $messages,
+		)
+	);
+	$counter = $_REQUEST['start'] + 1;
+	$context['posts'] = array();
+	$board_ids = array('own' => array(), 'any' => array());
+	while ($row = $smcFunc['db_fetch_assoc']($request))
+	{
+		// Censor everything.
+		censorText($row['body']);
+		censorText($row['subject']);
+
+		// BBC-atize the message.
+		$row['body'] = parse_bbc($row['body'], $row['smileys_enabled'], $row['id_msg']);
+
+		// And build the array.
+		$context['posts'][$row['id_msg']] = array(
+			'id' => $row['id_msg'],
+			'counter' => $counter++,
+			'alternate' => $counter % 2,
+			'category' => array(
+				'id' => $row['id_cat'],
+				'name' => $row['cname'],
+				'href' => $scripturl . '#c' . $row['id_cat'],
+				'link' => '<a href="' . $scripturl . '#c' . $row['id_cat'] . '">' . $row['cname'] . '</a>'
+			),
+			'board' => array(
+				'id' => $row['id_board'],
+				'name' => $row['bname'],
+				'href' => $scripturl . '?board=' . $row['id_board'] . '.0',
+				'link' => '<a href="' . $scripturl . '?board=' . $row['id_board'] . '.0">' . $row['bname'] . '</a>'
+			),
+			'topic' => $row['id_topic'],
+			'href' => $scripturl . '?topic=' . $row['id_topic'] . '.msg' . $row['id_msg'] . '#msg' . $row['id_msg'],
+			'link' => '<a href="' . $scripturl . '?topic=' . $row['id_topic'] . '.msg' . $row['id_msg'] . '#msg' . $row['id_msg'] . '" rel="nofollow">' . $row['subject'] . '</a>',
+			'start' => $row['num_replies'],
+			'subject' => $row['subject'],
+			'time' => timeformat($row['poster_time']),
+			'timestamp' => forum_time(true, $row['poster_time']),
+			'first_poster' => array(
+				'id' => $row['id_first_member'],
+				'name' => $row['first_poster_name'],
+				'href' => empty($row['id_first_member']) ? '' : $scripturl . '?action=profile;u=' . $row['id_first_member'],
+				'link' => empty($row['id_first_member']) ? $row['first_poster_name'] : '<a href="' . $scripturl . '?action=profile;u=' . $row['id_first_member'] . '">' . $row['first_poster_name'] . '</a>'
+			),
+			'poster' => array(
+				'id' => $row['id_member'],
+				'name' => $row['poster_name'],
+				'href' => empty($row['id_member']) ? '' : $scripturl . '?action=profile;u=' . $row['id_member'],
+				'link' => empty($row['id_member']) ? $row['poster_name'] : '<a href="' . $scripturl . '?action=profile;u=' . $row['id_member'] . '">' . $row['poster_name'] . '</a>'
+			),
+			'message' => $row['body'],
+			'can_reply' => false,
+			'can_mark_notify' => false,
+			'can_delete' => false,
+			'delete_possible' => ($row['id_first_msg'] != $row['id_msg'] || $row['id_last_msg'] == $row['id_msg']) && (empty($modSettings['edit_disable_time']) || $row['poster_time'] + $modSettings['edit_disable_time'] * 60 >= time()),
+		);
+
+		if ($user_info['id'] == $row['id_first_member'])
+			$board_ids['own'][$row['id_board']][] = $row['id_msg'];
+		$board_ids['any'][$row['id_board']][] = $row['id_msg'];
+	}
+	$smcFunc['db_free_result']($request);
+
+	// There might be - and are - different permissions between any and own.
+	$permissions = array(
+		'own' => array(
+			'post_reply_own' => 'can_reply',
+			'delete_own' => 'can_delete',
+		),
+		'any' => array(
+			'post_reply_any' => 'can_reply',
+			'mark_any_notify' => 'can_mark_notify',
+			'delete_any' => 'can_delete',
+		)
+	);
+
+	// Now go through all the permissions, looking for boards they can do it on.
+	foreach ($permissions as $type => $list)
+	{
+		foreach ($list as $permission => $allowed)
+		{
+			// They can do it on these boards...
+			$boards = boardsAllowedTo($permission);
+
+			// If 0 is the only thing in the array, they can do it everywhere!
+			if (!empty($boards) && $boards[0] == 0)
+				$boards = array_keys($board_ids[$type]);
+
+			// Go through the boards, and look for posts they can do this on.
+			foreach ($boards as $board_id)
+			{
+				// Hmm, they have permission, but there are no topics from that board on this page.
+				if (!isset($board_ids[$type][$board_id]))
+					continue;
+
+				// Okay, looks like they can do it for these posts.
+				foreach ($board_ids[$type][$board_id] as $counter)
+					if ($type == 'any' || $context['posts'][$counter]['poster']['id'] == $user_info['id'])
+						$context['posts'][$counter][$allowed] = true;
+			}
+		}
+	}
+
+	$quote_enabled = empty($modSettings['disabledBBC']) || !in_array('quote', explode(',', $modSettings['disabledBBC']));
+	foreach ($context['posts'] as $counter => $dummy)
+	{
+		// Some posts - the first posts - can't just be deleted.
+		$context['posts'][$counter]['can_delete'] &= $context['posts'][$counter]['delete_possible'];
+
+		// And some cannot be quoted...
+		$context['posts'][$counter]['can_quote'] = $context['posts'][$counter]['can_reply'] && $quote_enabled;
+	}
+}
+
+// Find unread topics and replies.
+function UnreadTopics()
+{
+	global $board, $txt, $scripturl, $sourcedir;
+	global $user_info, $context, $settings, $modSettings, $smcFunc, $options;
+
+	// Guests can't have unread things, we don't know anything about them.
+	is_not_guest();
+
+	// Prefetching + lots of MySQL work = bad mojo.
+	if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch')
+	{
+		ob_end_clean();
+		header('HTTP/1.1 403 Forbidden');
+		die;
+	}
+
+	$context['showing_all_topics'] = isset($_GET['all']);
+	$context['start'] = (int) $_REQUEST['start'];
+	$context['topics_per_page'] = empty($modSettings['disableCustomPerPage']) && !empty($options['topics_per_page']) && !WIRELESS ? $options['topics_per_page'] : $modSettings['defaultMaxTopics'];
+	if ($_REQUEST['action'] == 'unread')
+		$context['page_title'] = $context['showing_all_topics'] ? $txt['unread_topics_all'] : $txt['unread_topics_visit'];
+	else
+		$context['page_title'] = $txt['unread_replies'];
+
+	if ($context['showing_all_topics'] && !empty($context['load_average']) && !empty($modSettings['loadavg_allunread']) && $context['load_average'] >= $modSettings['loadavg_allunread'])
+		fatal_lang_error('loadavg_allunread_disabled', false);
+	elseif ($_REQUEST['action'] != 'unread' && !empty($context['load_average']) && !empty($modSettings['loadavg_unreadreplies']) && $context['load_average'] >= $modSettings['loadavg_unreadreplies'])
+		fatal_lang_error('loadavg_unreadreplies_disabled', false);
+	elseif (!$context['showing_all_topics'] && $_REQUEST['action'] == 'unread' && !empty($context['load_average']) && !empty($modSettings['loadavg_unread']) && $context['load_average'] >= $modSettings['loadavg_unread'])
+		fatal_lang_error('loadavg_unread_disabled', false);
+
+	// Parameters for the main query.
+	$query_parameters = array();
+
+	// Are we specifying any specific board?
+	if (isset($_REQUEST['children']) && (!empty($board) || !empty($_REQUEST['boards'])))
+	{
+		$boards = array();
+
+		if (!empty($_REQUEST['boards']))
+		{
+			$_REQUEST['boards'] = explode(',', $_REQUEST['boards']);
+			foreach ($_REQUEST['boards'] as $b)
+				$boards[] = (int) $b;
+		}
+
+		if (!empty($board))
+			$boards[] = (int) $board;
+
+		// The easiest thing is to just get all the boards they can see, but since we've specified the top of tree we ignore some of them
+		$request = $smcFunc['db_query']('', '
+			SELECT b.id_board, b.id_parent
+			FROM {db_prefix}boards AS b
+			WHERE {query_wanna_see_board}
+				AND b.child_level > {int:no_child}
+				AND b.id_board NOT IN ({array_int:boards})
+			ORDER BY child_level ASC
+			',
+			array(
+				'no_child' => 0,
+				'boards' => $boards,
+			)
+		);
+
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+			if (in_array($row['id_parent'], $boards))
+				$boards[] = $row['id_board'];
+
+		$smcFunc['db_free_result']($request);
+
+		if (empty($boards))
+			fatal_lang_error('error_no_boards_selected');
+
+		$query_this_board = 'id_board IN ({array_int:boards})';
+		$query_parameters['boards'] = $boards;
+		$context['querystring_board_limits'] = ';boards=' . implode(',', $boards) . ';start=%d';
+	}
+	elseif (!empty($board))
+	{
+		$query_this_board = 'id_board = {int:board}';
+		$query_parameters['board'] = $board;
+		$context['querystring_board_limits'] = ';board=' . $board . '.%1$d';
+	}
+	elseif (!empty($_REQUEST['boards']))
+	{
+		$_REQUEST['boards'] = explode(',', $_REQUEST['boards']);
+		foreach ($_REQUEST['boards'] as $i => $b)
+			$_REQUEST['boards'][$i] = (int) $b;
+
+		$request = $smcFunc['db_query']('', '
+			SELECT b.id_board
+			FROM {db_prefix}boards AS b
+			WHERE {query_see_board}
+				AND b.id_board IN ({array_int:board_list})',
+			array(
+				'board_list' => $_REQUEST['boards'],
+			)
+		);
+		$boards = array();
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+			$boards[] = $row['id_board'];
+		$smcFunc['db_free_result']($request);
+
+		if (empty($boards))
+			fatal_lang_error('error_no_boards_selected');
+
+		$query_this_board = 'id_board IN ({array_int:boards})';
+		$query_parameters['boards'] = $boards;
+		$context['querystring_board_limits'] = ';boards=' . implode(',', $boards) . ';start=%1$d';
+	}
+	elseif (!empty($_REQUEST['c']))
+	{
+		$_REQUEST['c'] = explode(',', $_REQUEST['c']);
+		foreach ($_REQUEST['c'] as $i => $c)
+			$_REQUEST['c'][$i] = (int) $c;
+
+		$see_board = isset($_REQUEST['action']) && $_REQUEST['action'] == 'unreadreplies' ? 'query_see_board' : 'query_wanna_see_board';
+		$request = $smcFunc['db_query']('', '
+			SELECT b.id_board
+			FROM {db_prefix}boards AS b
+			WHERE ' . $user_info[$see_board] . '
+				AND b.id_cat IN ({array_int:id_cat})',
+			array(
+				'id_cat' => $_REQUEST['c'],
+			)
+		);
+		$boards = array();
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+			$boards[] = $row['id_board'];
+		$smcFunc['db_free_result']($request);
+
+		if (empty($boards))
+			fatal_lang_error('error_no_boards_selected');
+
+		$query_this_board = 'id_board IN ({array_int:boards})';
+		$query_parameters['boards'] = $boards;
+		$context['querystring_board_limits'] = ';c=' . implode(',', $_REQUEST['c']) . ';start=%1$d';
+	}
+	else
+	{
+		$see_board = isset($_REQUEST['action']) && $_REQUEST['action'] == 'unreadreplies' ? 'query_see_board' : 'query_wanna_see_board';
+		// Don't bother to show deleted posts!
+		$request = $smcFunc['db_query']('', '
+			SELECT b.id_board
+			FROM {db_prefix}boards AS b
+			WHERE ' . $user_info[$see_board] . (!empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] > 0 ? '
+				AND b.id_board != {int:recycle_board}' : ''),
+			array(
+				'recycle_board' => (int) $modSettings['recycle_board'],
+			)
+		);
+		$boards = array();
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+			$boards[] = $row['id_board'];
+		$smcFunc['db_free_result']($request);
+
+		if (empty($boards))
+			fatal_lang_error('error_no_boards_selected');
+
+		$query_this_board = 'id_board IN ({array_int:boards})';
+		$query_parameters['boards'] = $boards;
+		$context['querystring_board_limits'] = ';start=%1$d';
+		$context['no_board_limits'] = true;
+	}
+
+	$sort_methods = array(
+		'subject' => 'ms.subject',
+		'starter' => 'IFNULL(mems.real_name, ms.poster_name)',
+		'replies' => 't.num_replies',
+		'views' => 't.num_views',
+		'first_post' => 't.id_topic',
+		'last_post' => 't.id_last_msg'
+	);
+
+	// The default is the most logical: newest first.
+	if (!isset($_REQUEST['sort']) || !isset($sort_methods[$_REQUEST['sort']]))
+	{
+		$context['sort_by'] = 'last_post';
+		$_REQUEST['sort'] = 't.id_last_msg';
+		$ascending = isset($_REQUEST['asc']);
+
+		$context['querystring_sort_limits'] = $ascending ? ';asc' : '';
+	}
+	// But, for other methods the default sort is ascending.
+	else
+	{
+		$context['sort_by'] = $_REQUEST['sort'];
+		$_REQUEST['sort'] = $sort_methods[$_REQUEST['sort']];
+		$ascending = !isset($_REQUEST['desc']);
+
+		$context['querystring_sort_limits'] = ';sort=' . $context['sort_by'] . ($ascending ? '' : ';desc');
+	}
+	$context['sort_direction'] = $ascending ? 'up' : 'down';
+
+	if (!empty($_REQUEST['c']) && is_array($_REQUEST['c']) && count($_REQUEST['c']) == 1)
+	{
+		$request = $smcFunc['db_query']('', '
+			SELECT name
+			FROM {db_prefix}categories
+			WHERE id_cat = {int:id_cat}
+			LIMIT 1',
+			array(
+				'id_cat' => (int) $_REQUEST['c'][0],
+			)
+		);
+		list ($name) = $smcFunc['db_fetch_row']($request);
+		$smcFunc['db_free_result']($request);
+
+		$context['linktree'][] = array(
+			'url' => $scripturl . '#c' . (int) $_REQUEST['c'][0],
+			'name' => $name
+		);
+	}
+
+	$context['linktree'][] = array(
+		'url' => $scripturl . '?action=' . $_REQUEST['action'] . sprintf($context['querystring_board_limits'], 0) . $context['querystring_sort_limits'],
+		'name' => $_REQUEST['action'] == 'unread' ? $txt['unread_topics_visit'] : $txt['unread_replies']
+	);
+
+	if ($context['showing_all_topics'])
+		$context['linktree'][] = array(
+			'url' => $scripturl . '?action=' . $_REQUEST['action'] . ';all' . sprintf($context['querystring_board_limits'], 0) . $context['querystring_sort_limits'],
+			'name' => $txt['unread_topics_all']
+		);
+	else
+		$txt['unread_topics_visit_none'] = strtr($txt['unread_topics_visit_none'], array('?action=unread;all' => '?action=unread;all' . sprintf($context['querystring_board_limits'], 0) . $context['querystring_sort_limits']));
+
+	if (WIRELESS)
+		$context['sub_template'] = WIRELESS_PROTOCOL . '_recent';
+	else
+	{
+		loadTemplate('Recent');
+		$context['sub_template'] = $_REQUEST['action'] == 'unread' ? 'unread' : 'replies';
+	}
+
+	// Setup the default topic icons... for checking they exist and the like ;)
+	$stable_icons = array('xx', 'thumbup', 'thumbdown', 'exclamation', 'question', 'lamp', 'smiley', 'angry', 'cheesy', 'grin', 'sad', 'wink', 'moved', 'recycled', 'wireless', 'clip');
+	$context['icon_sources'] = array();
+	foreach ($stable_icons as $icon)
+		$context['icon_sources'][$icon] = 'images_url';
+
+	$is_topics = $_REQUEST['action'] == 'unread';
+
+	// This part is the same for each query.
+	$select_clause = '
+				ms.subject AS first_subject, ms.poster_time AS first_poster_time, ms.id_topic, t.id_board, b.name AS bname,
+				t.num_replies, t.num_views, ms.id_member AS id_first_member, ml.id_member AS id_last_member,
+				ml.poster_time AS last_poster_time, IFNULL(mems.real_name, ms.poster_name) AS first_poster_name,
+				IFNULL(meml.real_name, ml.poster_name) AS last_poster_name, ml.subject AS last_subject,
+				ml.icon AS last_icon, ms.icon AS first_icon, t.id_poll, t.is_sticky, t.locked, ml.modified_time AS last_modified_time,
+				IFNULL(lt.id_msg, IFNULL(lmr.id_msg, -1)) + 1 AS new_from, SUBSTRING(ml.body, 1, 385) AS last_body,
+				SUBSTRING(ms.body, 1, 385) AS first_body, ml.smileys_enabled AS last_smileys, ms.smileys_enabled AS first_smileys, t.id_first_msg, t.id_last_msg';
+
+	if ($context['showing_all_topics'])
+	{
+		if (!empty($board))
+		{
+			$request = $smcFunc['db_query']('', '
+				SELECT MIN(id_msg)
+				FROM {db_prefix}log_mark_read
+				WHERE id_member = {int:current_member}
+					AND id_board = {int:current_board}',
+				array(
+					'current_board' => $board,
+					'current_member' => $user_info['id'],
+				)
+			);
+			list ($earliest_msg) = $smcFunc['db_fetch_row']($request);
+			$smcFunc['db_free_result']($request);
+		}
+		else
+		{
+			$request = $smcFunc['db_query']('', '
+				SELECT MIN(lmr.id_msg)
+				FROM {db_prefix}boards AS b
+					LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = b.id_board AND lmr.id_member = {int:current_member})
+				WHERE {query_see_board}',
+				array(
+					'current_member' => $user_info['id'],
+				)
+			);
+			list ($earliest_msg) = $smcFunc['db_fetch_row']($request);
+			$smcFunc['db_free_result']($request);
+		}
+
+		// This is needed in case of topics marked unread.
+		if (empty($earliest_msg))
+			$earliest_msg = 0;
+		else
+		{
+			// Using caching, when possible, to ignore the below slow query.
+			if (isset($_SESSION['cached_log_time']) && $_SESSION['cached_log_time'][0] + 45 > time())
+				$earliest_msg2 = $_SESSION['cached_log_time'][1];
+			else
+			{
+				// This query is pretty slow, but it's needed to ensure nothing crucial is ignored.
+				$request = $smcFunc['db_query']('', '
+					SELECT MIN(id_msg)
+					FROM {db_prefix}log_topics
+					WHERE id_member = {int:current_member}',
+					array(
+						'current_member' => $user_info['id'],
+					)
+				);
+				list ($earliest_msg2) = $smcFunc['db_fetch_row']($request);
+				$smcFunc['db_free_result']($request);
+
+				// In theory this could be zero, if the first ever post is unread, so fudge it ;)
+				if ($earliest_msg2 == 0)
+					$earliest_msg2 = -1;
+
+				$_SESSION['cached_log_time'] = array(time(), $earliest_msg2);
+			}
+
+			$earliest_msg = min($earliest_msg2, $earliest_msg);
+		}
+	}
+
+	// !!! Add modified_time in for log_time check?
+
+	if ($modSettings['totalMessages'] > 100000 && $context['showing_all_topics'])
+	{
+		$smcFunc['db_query']('', '
+			DROP TABLE IF EXISTS {db_prefix}log_topics_unread',
+			array(
+			)
+		);
+
+		// Let's copy things out of the log_topics table, to reduce searching.
+		$have_temp_table = $smcFunc['db_query']('', '
+			CREATE TEMPORARY TABLE {db_prefix}log_topics_unread (
+				PRIMARY KEY (id_topic)
+			)
+			SELECT lt.id_topic, lt.id_msg
+			FROM {db_prefix}topics AS t
+				INNER JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = t.id_topic)
+			WHERE lt.id_member = {int:current_member}
+				AND t.' . $query_this_board . (empty($earliest_msg) ? '' : '
+				AND t.id_last_msg > {int:earliest_msg}') . ($modSettings['postmod_active'] ? '
+				AND t.approved = {int:is_approved}' : ''),
+			array_merge($query_parameters, array(
+				'current_member' => $user_info['id'],
+				'earliest_msg' => !empty($earliest_msg) ? $earliest_msg : 0,
+				'is_approved' => 1,
+				'db_error_skip' => true,
+			))
+		) !== false;
+	}
+	else
+		$have_temp_table = false;
+
+	if ($context['showing_all_topics'] && $have_temp_table)
+	{
+		$request = $smcFunc['db_query']('', '
+			SELECT COUNT(*), MIN(t.id_last_msg)
+			FROM {db_prefix}topics AS t
+				LEFT JOIN {db_prefix}log_topics_unread AS lt ON (lt.id_topic = t.id_topic)
+				LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = t.id_board AND lmr.id_member = {int:current_member})
+			WHERE t.' . $query_this_board . (!empty($earliest_msg) ? '
+				AND t.id_last_msg > {int:earliest_msg}' : '') . '
+				AND IFNULL(lt.id_msg, IFNULL(lmr.id_msg, 0)) < t.id_last_msg' . ($modSettings['postmod_active'] ? '
+				AND t.approved = {int:is_approved}' : ''),
+			array_merge($query_parameters, array(
+				'current_member' => $user_info['id'],
+				'earliest_msg' => !empty($earliest_msg) ? $earliest_msg : 0,
+				'is_approved' => 1,
+			))
+		);
+		list ($num_topics, $min_message) = $smcFunc['db_fetch_row']($request);
+		$smcFunc['db_free_result']($request);
+
+		// Make sure the starting place makes sense and construct the page index.
+		$context['page_index'] = constructPageIndex($scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . $context['querystring_board_limits'] . $context['querystring_sort_limits'], $_REQUEST['start'], $num_topics, $context['topics_per_page'], true);
+		$context['current_page'] = (int) $_REQUEST['start'] / $context['topics_per_page'];
+
+		$context['links'] = array(
+			'first' => $_REQUEST['start'] >= $context['topics_per_page'] ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], 0) . $context['querystring_sort_limits'] : '',
+			'prev' => $_REQUEST['start'] >= $context['topics_per_page'] ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], $_REQUEST['start'] - $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'next' => $_REQUEST['start'] + $context['topics_per_page'] < $num_topics ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], $_REQUEST['start'] + $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'last' => $_REQUEST['start'] + $context['topics_per_page'] < $num_topics ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], floor(($num_topics - 1) / $context['topics_per_page']) * $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'up' => $scripturl,
+		);
+		$context['page_info'] = array(
+			'current_page' => $_REQUEST['start'] / $context['topics_per_page'] + 1,
+			'num_pages' => floor(($num_topics - 1) / $context['topics_per_page']) + 1
+		);
+
+		if ($num_topics == 0)
+		{
+			// Mark the boards as read if there are no unread topics!
+			require_once($sourcedir . '/Subs-Boards.php');
+			markBoardsRead(empty($boards) ? $board : $boards);
+
+			$context['topics'] = array();
+			if ($context['querystring_board_limits'] == ';start=%1$d')
+				$context['querystring_board_limits'] = '';
+			else
+				$context['querystring_board_limits'] = sprintf($context['querystring_board_limits'], $_REQUEST['start']);
+			return;
+		}
+		else
+			$min_message = (int) $min_message;
+
+		$request = $smcFunc['db_query']('substring', '
+			SELECT ' . $select_clause . '
+			FROM {db_prefix}messages AS ms
+				INNER JOIN {db_prefix}topics AS t ON (t.id_topic = ms.id_topic AND t.id_first_msg = ms.id_msg)
+				INNER JOIN {db_prefix}messages AS ml ON (ml.id_msg = t.id_last_msg)
+				LEFT JOIN {db_prefix}boards AS b ON (b.id_board = ms.id_board)
+				LEFT JOIN {db_prefix}members AS mems ON (mems.id_member = ms.id_member)
+				LEFT JOIN {db_prefix}members AS meml ON (meml.id_member = ml.id_member)
+				LEFT JOIN {db_prefix}log_topics_unread AS lt ON (lt.id_topic = t.id_topic)
+				LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = t.id_board AND lmr.id_member = {int:current_member})
+			WHERE b.' . $query_this_board . '
+				AND t.id_last_msg >= {int:min_message}
+				AND IFNULL(lt.id_msg, IFNULL(lmr.id_msg, 0)) < t.id_last_msg' . ($modSettings['postmod_active'] ? '
+				AND ms.approved = {int:is_approved}' : '') . '
+			ORDER BY {raw:sort}
+			LIMIT {int:offset}, {int:limit}',
+			array_merge($query_parameters, array(
+				'current_member' => $user_info['id'],
+				'min_message' => $min_message,
+				'is_approved' => 1,
+				'sort' => $_REQUEST['sort'] . ($ascending ? '' : ' DESC'),
+				'offset' => $_REQUEST['start'],
+				'limit' => $context['topics_per_page'],
+			))
+		);
+	}
+	elseif ($is_topics)
+	{
+		$request = $smcFunc['db_query']('', '
+			SELECT COUNT(*), MIN(t.id_last_msg)
+			FROM {db_prefix}topics AS t' . (!empty($have_temp_table) ? '
+				LEFT JOIN {db_prefix}log_topics_unread AS lt ON (lt.id_topic = t.id_topic)' : '
+				LEFT JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = t.id_topic AND lt.id_member = {int:current_member})') . '
+				LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = t.id_board AND lmr.id_member = {int:current_member})
+			WHERE t.' . $query_this_board . ($context['showing_all_topics'] && !empty($earliest_msg) ? '
+				AND t.id_last_msg > {int:earliest_msg}' : (!$context['showing_all_topics'] && empty($_SESSION['first_login']) ? '
+				AND t.id_last_msg > {int:id_msg_last_visit}' : '')) . '
+				AND IFNULL(lt.id_msg, IFNULL(lmr.id_msg, 0)) < t.id_last_msg' . ($modSettings['postmod_active'] ? '
+				AND t.approved = {int:is_approved}' : ''),
+			array_merge($query_parameters, array(
+				'current_member' => $user_info['id'],
+				'earliest_msg' => !empty($earliest_msg) ? $earliest_msg : 0,
+				'id_msg_last_visit' => $_SESSION['id_msg_last_visit'],
+				'is_approved' => 1,
+			))
+		);
+		list ($num_topics, $min_message) = $smcFunc['db_fetch_row']($request);
+		$smcFunc['db_free_result']($request);
+
+		// Make sure the starting place makes sense and construct the page index.
+		$context['page_index'] = constructPageIndex($scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . $context['querystring_board_limits'] . $context['querystring_sort_limits'], $_REQUEST['start'], $num_topics, $context['topics_per_page'], true);
+		$context['current_page'] = (int) $_REQUEST['start'] / $context['topics_per_page'];
+
+		$context['links'] = array(
+			'first' => $_REQUEST['start'] >= $context['topics_per_page'] ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], 0) . $context['querystring_sort_limits'] : '',
+			'prev' => $_REQUEST['start'] >= $context['topics_per_page'] ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], $_REQUEST['start'] - $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'next' => $_REQUEST['start'] + $context['topics_per_page'] < $num_topics ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], $_REQUEST['start'] + $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'last' => $_REQUEST['start'] + $context['topics_per_page'] < $num_topics ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], floor(($num_topics - 1) / $context['topics_per_page']) * $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'up' => $scripturl,
+		);
+		$context['page_info'] = array(
+			'current_page' => $_REQUEST['start'] / $context['topics_per_page'] + 1,
+			'num_pages' => floor(($num_topics - 1) / $context['topics_per_page']) + 1
+		);
+
+		if ($num_topics == 0)
+		{
+			// Is this an all topics query?
+			if ($context['showing_all_topics'])
+			{
+				// Since there are no unread topics, mark the boards as read!
+				require_once($sourcedir . '/Subs-Boards.php');
+				markBoardsRead(empty($boards) ? $board : $boards);
+			}
+
+			$context['topics'] = array();
+			if ($context['querystring_board_limits'] == ';start=%d')
+				$context['querystring_board_limits'] = '';
+			else
+				$context['querystring_board_limits'] = sprintf($context['querystring_board_limits'], $_REQUEST['start']);
+			return;
+		}
+		else
+			$min_message = (int) $min_message;
+
+		$request = $smcFunc['db_query']('substring', '
+			SELECT ' . $select_clause . '
+			FROM {db_prefix}messages AS ms
+				INNER JOIN {db_prefix}topics AS t ON (t.id_topic = ms.id_topic AND t.id_first_msg = ms.id_msg)
+				INNER JOIN {db_prefix}messages AS ml ON (ml.id_msg = t.id_last_msg)
+				LEFT JOIN {db_prefix}boards AS b ON (b.id_board = t.id_board)
+				LEFT JOIN {db_prefix}members AS mems ON (mems.id_member = ms.id_member)
+				LEFT JOIN {db_prefix}members AS meml ON (meml.id_member = ml.id_member)' . (!empty($have_temp_table) ? '
+				LEFT JOIN {db_prefix}log_topics_unread AS lt ON (lt.id_topic = t.id_topic)' : '
+				LEFT JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = t.id_topic AND lt.id_member = {int:current_member})') . '
+				LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = t.id_board AND lmr.id_member = {int:current_member})
+			WHERE t.' . $query_this_board . '
+				AND t.id_last_msg >= {int:min_message}
+				AND IFNULL(lt.id_msg, IFNULL(lmr.id_msg, 0)) < ml.id_msg' . ($modSettings['postmod_active'] ? '
+				AND ms.approved = {int:is_approved}' : '') . '
+			ORDER BY {raw:order}
+			LIMIT {int:offset}, {int:limit}',
+			array_merge($query_parameters, array(
+				'current_member' => $user_info['id'],
+				'min_message' => $min_message,
+				'is_approved' => 1,
+				'order' => $_REQUEST['sort'] . ($ascending ? '' : ' DESC'),
+				'offset' => $_REQUEST['start'],
+				'limit' => $context['topics_per_page'],
+			))
+		);
+	}
+	else
+	{
+		if ($modSettings['totalMessages'] > 100000)
+		{
+			$smcFunc['db_query']('', '
+				DROP TABLE IF EXISTS {db_prefix}topics_posted_in',
+				array(
+				)
+			);
+
+			$smcFunc['db_query']('', '
+				DROP TABLE IF EXISTS {db_prefix}log_topics_posted_in',
+				array(
+				)
+			);
+
+			$sortKey_joins = array(
+				'ms.subject' => '
+					INNER JOIN {db_prefix}messages AS ms ON (ms.id_msg = t.id_first_msg)',
+				'IFNULL(mems.real_name, ms.poster_name)' => '
+					INNER JOIN {db_prefix}messages AS ms ON (ms.id_msg = t.id_first_msg)
+					LEFT JOIN {db_prefix}members AS mems ON (mems.id_member = ms.id_member)',
+			);
+
+			// The main benefit of this temporary table is not that it's faster; it's that it avoids locks later.
+			$have_temp_table = $smcFunc['db_query']('', '
+				CREATE TEMPORARY TABLE {db_prefix}topics_posted_in (
+					id_topic mediumint(8) unsigned NOT NULL default {string:string_zero},
+					id_board smallint(5) unsigned NOT NULL default {string:string_zero},
+					id_last_msg int(10) unsigned NOT NULL default {string:string_zero},
+					id_msg int(10) unsigned NOT NULL default {string:string_zero},
+					PRIMARY KEY (id_topic)
+				)
+				SELECT t.id_topic, t.id_board, t.id_last_msg, IFNULL(lmr.id_msg, 0) AS id_msg' . (!in_array($_REQUEST['sort'], array('t.id_last_msg', 't.id_topic')) ? ', ' . $_REQUEST['sort'] . ' AS sort_key' : '') . '
+				FROM {db_prefix}messages AS m
+					INNER JOIN {db_prefix}topics AS t ON (t.id_topic = m.id_topic)
+					LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = t.id_board AND lmr.id_member = {int:current_member})' . (isset($sortKey_joins[$_REQUEST['sort']]) ? $sortKey_joins[$_REQUEST['sort']] : '') . '
+				WHERE m.id_member = {int:current_member}' . (!empty($board) ? '
+					AND t.id_board = {int:current_board}' : '') . ($modSettings['postmod_active'] ? '
+					AND t.approved = {int:is_approved}' : '') . '
+				GROUP BY m.id_topic',
+				array(
+					'current_board' => $board,
+					'current_member' => $user_info['id'],
+					'is_approved' => 1,
+					'string_zero' => '0',
+					'db_error_skip' => true,
+				)
+			) !== false;
+
+			// If that worked, create a sample of the log_topics table too.
+			if ($have_temp_table)
+				$have_temp_table = $smcFunc['db_query']('', '
+					CREATE TEMPORARY TABLE {db_prefix}log_topics_posted_in (
+						PRIMARY KEY (id_topic)
+					)
+					SELECT lt.id_topic, lt.id_msg
+					FROM {db_prefix}log_topics AS lt
+						INNER JOIN {db_prefix}topics_posted_in AS pi ON (pi.id_topic = lt.id_topic)
+					WHERE lt.id_member = {int:current_member}',
+					array(
+						'current_member' => $user_info['id'],
+						'db_error_skip' => true,
+					)
+				) !== false;
+		}
+
+		if (!empty($have_temp_table))
+		{
+			$request = $smcFunc['db_query']('', '
+				SELECT COUNT(*)
+				FROM {db_prefix}topics_posted_in AS pi
+					LEFT JOIN {db_prefix}log_topics_posted_in AS lt ON (lt.id_topic = pi.id_topic)
+				WHERE pi.' . $query_this_board . '
+					AND IFNULL(lt.id_msg, pi.id_msg) < pi.id_last_msg',
+				array_merge($query_parameters, array(
+				))
+			);
+			list ($num_topics) = $smcFunc['db_fetch_row']($request);
+			$smcFunc['db_free_result']($request);
+		}
+		else
+		{
+			$request = $smcFunc['db_query']('unread_fetch_topic_count', '
+				SELECT COUNT(DISTINCT t.id_topic), MIN(t.id_last_msg)
+				FROM {db_prefix}topics AS t
+					INNER JOIN {db_prefix}messages AS m ON (m.id_topic = t.id_topic)
+					LEFT JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = t.id_topic AND lt.id_member = {int:current_member})
+					LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = t.id_board AND lmr.id_member = {int:current_member})
+				WHERE t.' . $query_this_board . '
+					AND m.id_member = {int:current_member}
+					AND IFNULL(lt.id_msg, IFNULL(lmr.id_msg, 0)) < t.id_last_msg' . ($modSettings['postmod_active'] ? '
+					AND t.approved = {int:is_approved}' : ''),
+				array_merge($query_parameters, array(
+					'current_member' => $user_info['id'],
+					'is_approved' => 1,
+				))
+			);
+			list ($num_topics, $min_message) = $smcFunc['db_fetch_row']($request);
+			$smcFunc['db_free_result']($request);
+		}
+
+		// Make sure the starting place makes sense and construct the page index.
+		$context['page_index'] = constructPageIndex($scripturl . '?action=' . $_REQUEST['action'] . $context['querystring_board_limits'] . $context['querystring_sort_limits'], $_REQUEST['start'], $num_topics, $context['topics_per_page'], true);
+		$context['current_page'] = (int) $_REQUEST['start'] / $context['topics_per_page'];
+
+		$context['links'] = array(
+			'first' => $_REQUEST['start'] >= $context['topics_per_page'] ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], 0) . $context['querystring_sort_limits'] : '',
+			'prev' => $_REQUEST['start'] >= $context['topics_per_page'] ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], $_REQUEST['start'] - $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'next' => $_REQUEST['start'] + $context['topics_per_page'] < $num_topics ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], $_REQUEST['start'] + $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'last' => $_REQUEST['start'] + $context['topics_per_page'] < $num_topics ? $scripturl . '?action=' . $_REQUEST['action'] . ($context['showing_all_topics'] ? ';all' : '') . sprintf($context['querystring_board_limits'], floor(($num_topics - 1) / $context['topics_per_page']) * $context['topics_per_page']) . $context['querystring_sort_limits'] : '',
+			'up' => $scripturl,
+		);
+		$context['page_info'] = array(
+			'current_page' => $_REQUEST['start'] / $context['topics_per_page'] + 1,
+			'num_pages' => floor(($num_topics - 1) / $context['topics_per_page']) + 1
+		);
+
+		if ($num_topics == 0)
+		{
+			$context['topics'] = array();
+			if ($context['querystring_board_limits'] == ';start=%d')
+				$context['querystring_board_limits'] = '';
+			else
+				$context['querystring_board_limits'] = sprintf($context['querystring_board_limits'], $_REQUEST['start']);
+			return;
+		}
+
+		if (!empty($have_temp_table))
+			$request = $smcFunc['db_query']('', '
+				SELECT t.id_topic
+				FROM {db_prefix}topics_posted_in AS t
+					LEFT JOIN {db_prefix}log_topics_posted_in AS lt ON (lt.id_topic = t.id_topic)
+				WHERE t.' . $query_this_board . '
+					AND IFNULL(lt.id_msg, t.id_msg) < t.id_last_msg
+				ORDER BY {raw:order}
+				LIMIT {int:offset}, {int:limit}',
+				array_merge($query_parameters, array(
+					'order' => (in_array($_REQUEST['sort'], array('t.id_last_msg', 't.id_topic')) ? $_REQUEST['sort'] : 't.sort_key') . ($ascending ? '' : ' DESC'),
+					'offset' => $_REQUEST['start'],
+					'limit' => $context['topics_per_page'],
+				))
+			);
+		else
+			$request = $smcFunc['db_query']('unread_replies', '
+				SELECT DISTINCT t.id_topic
+				FROM {db_prefix}topics AS t
+					INNER JOIN {db_prefix}messages AS m ON (m.id_topic = t.id_topic AND m.id_member = {int:current_member})' . (strpos($_REQUEST['sort'], 'ms.') === false ? '' : '
+					INNER JOIN {db_prefix}messages AS ms ON (ms.id_msg = t.id_first_msg)') . (strpos($_REQUEST['sort'], 'mems.') === false ? '' : '
+					LEFT JOIN {db_prefix}members AS mems ON (mems.id_member = ms.id_member)') . '
+					LEFT JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = t.id_topic AND lt.id_member = {int:current_member})
+					LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = t.id_board AND lmr.id_member = {int:current_member})
+				WHERE t.' . $query_this_board . '
+					AND t.id_last_msg >= {int:min_message}
+					AND (IFNULL(lt.id_msg, IFNULL(lmr.id_msg, 0))) < t.id_last_msg
+					AND t.approved = {int:is_approved}
+				ORDER BY {raw:order}
+				LIMIT {int:offset}, {int:limit}',
+				array_merge($query_parameters, array(
+					'current_member' => $user_info['id'],
+					'min_message' => (int) $min_message,
+					'is_approved' => 1,
+					'order' => $_REQUEST['sort'] . ($ascending ? '' : ' DESC'),
+					'offset' => $_REQUEST['start'],
+					'limit' => $context['topics_per_page'],
+					'sort' => $_REQUEST['sort'],
+				))
+			);
+
+		$topics = array();
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+			$topics[] = $row['id_topic'];
+		$smcFunc['db_free_result']($request);
+
+		// Sanity... where have you gone?
+		if (empty($topics))
+		{
+			$context['topics'] = array();
+			if ($context['querystring_board_limits'] == ';start=%d')
+				$context['querystring_board_limits'] = '';
+			else
+				$context['querystring_board_limits'] = sprintf($context['querystring_board_limits'], $_REQUEST['start']);
+			return;
+		}
+
+		$request = $smcFunc['db_query']('substring', '
+			SELECT ' . $select_clause . '
+			FROM {db_prefix}topics AS t
+				INNER JOIN {db_prefix}messages AS ms ON (ms.id_topic = t.id_topic AND ms.id_msg = t.id_first_msg)
+				INNER JOIN {db_prefix}messages AS ml ON (ml.id_msg = t.id_last_msg)
+				INNER JOIN {db_prefix}boards AS b ON (b.id_board = t.id_board)
+				LEFT JOIN {db_prefix}members AS mems ON (mems.id_member = ms.id_member)
+				LEFT JOIN {db_prefix}members AS meml ON (meml.id_member = ml.id_member)
+				LEFT JOIN {db_prefix}log_topics AS lt ON (lt.id_topic = t.id_topic AND lt.id_member = {int:current_member})
+				LEFT JOIN {db_prefix}log_mark_read AS lmr ON (lmr.id_board = t.id_board AND lmr.id_member = {int:current_member})
+			WHERE t.id_topic IN ({array_int:topic_list})
+			ORDER BY ' . $_REQUEST['sort'] . ($ascending ? '' : ' DESC') . '
+			LIMIT ' . count($topics),
+			array(
+				'current_member' => $user_info['id'],
+				'topic_list' => $topics,
+			)
+		);
+	}
+
+	$context['topics'] = array();
+	$topic_ids = array();
+
+	while ($row = $smcFunc['db_fetch_assoc']($request))
+	{
+		if ($row['id_poll'] > 0 && $modSettings['pollMode'] == '0')
+			continue;
+
+		$topic_ids[] = $row['id_topic'];
+
+		if (!empty($settings['message_index_preview']))
+		{
+			// Limit them to 128 characters - do this FIRST because it's a lot of wasted censoring otherwise.
+			$row['first_body'] = strip_tags(strtr(parse_bbc($row['first_body'], $row['first_smileys'], $row['id_first_msg']), array('<br />' => '&#10;')));
+			if ($smcFunc['strlen']($row['first_body']) > 128)
+				$row['first_body'] = $smcFunc['substr']($row['first_body'], 0, 128) . '...';
+			$row['last_body'] = strip_tags(strtr(parse_bbc($row['last_body'], $row['last_smileys'], $row['id_last_msg']), array('<br />' => '&#10;')));
+			if ($smcFunc['strlen']($row['last_body']) > 128)
+				$row['last_body'] = $smcFunc['substr']($row['last_body'], 0, 128) . '...';
+
+			// Censor the subject and message preview.
+			censorText($row['first_subject']);
+			censorText($row['first_body']);
+
+			// Don't censor them twice!
+			if ($row['id_first_msg'] == $row['id_last_msg'])
+			{
+				$row['last_subject'] = $row['first_subject'];
+				$row['last_body'] = $row['first_body'];
+			}
+			else
+			{
+				censorText($row['last_subject']);
+				censorText($row['last_body']);
+			}
+		}
+		else
+		{
+			$row['first_body'] = '';
+			$row['last_body'] = '';
+			censorText($row['first_subject']);
+
+			if ($row['id_first_msg'] == $row['id_last_msg'])
+				$row['last_subject'] = $row['first_subject'];
+			else
+				censorText($row['last_subject']);
+		}
+
+		// Decide how many pages the topic should have.
+		$topic_length = $row['num_replies'] + 1;
+		$messages_per_page = empty($modSettings['disableCustomPerPage']) && !empty($options['messages_per_page']) && !WIRELESS ? $options['messages_per_page'] : $modSettings['defaultMaxMessages'];
+		if ($topic_length > $messages_per_page)
+		{
+			$tmppages = array();
+			$tmpa = 1;
+			for ($tmpb = 0; $tmpb < $topic_length; $tmpb += $messages_per_page)
+			{
+				$tmppages[] = '<a href="' . $scripturl . '?topic=' . $row['id_topic'] . '.' . $tmpb . ';topicseen">' . $tmpa . '</a>';
+				$tmpa++;
+			}
+			// Show links to all the pages?
+			if (count($tmppages) <= 5)
+				$pages = '&#171; ' . implode(' ', $tmppages);
+			// Or skip a few?
+			else
+				$pages = '&#171; ' . $tmppages[0] . ' ' . $tmppages[1] . ' ... ' . $tmppages[count($tmppages) - 2] . ' ' . $tmppages[count($tmppages) - 1];
+
+			if (!empty($modSettings['enableAllMessages']) && $topic_length < $modSettings['enableAllMessages'])
+				$pages .= ' &nbsp;<a href="' . $scripturl . '?topic=' . $row['id_topic'] . '.0;all">' . $txt['all'] . '</a>';
+			$pages .= ' &#187;';
+		}
+		else
+			$pages = '';
+
+		// We need to check the topic icons exist... you can never be too sure!
+		if (empty($modSettings['messageIconChecks_disable']))
+		{
+			// First icon first... as you'd expect.
+			if (!isset($context['icon_sources'][$row['first_icon']]))
+				$context['icon_sources'][$row['first_icon']] = file_exists($settings['theme_dir'] . '/images/post/' . $row['first_icon'] . '.gif') ? 'images_url' : 'default_images_url';
+			// Last icon... last... duh.
+			if (!isset($context['icon_sources'][$row['last_icon']]))
+				$context['icon_sources'][$row['last_icon']] = file_exists($settings['theme_dir'] . '/images/post/' . $row['last_icon'] . '.gif') ? 'images_url' : 'default_images_url';
+		}
+
+		// And build the array.
+		$context['topics'][$row['id_topic']] = array(
+			'id' => $row['id_topic'],
+			'first_post' => array(
+				'id' => $row['id_first_msg'],
+				'member' => array(
+					'name' => $row['first_poster_name'],
+					'id' => $row['id_first_member'],
+					'href' => $scripturl . '?action=profile;u=' . $row['id_first_member'],
+					'link' => !empty($row['id_first_member']) ? '<a href="' . $scripturl . '?action=profile;u=' . $row['id_first_member'] . '" title="' . $txt['profile_of'] . ' ' . $row['first_poster_name'] . '">' . $row['first_poster_name'] . '</a>' : $row['first_poster_name']
+				),
+				'time' => timeformat($row['first_poster_time']),
+				'timestamp' => forum_time(true, $row['first_poster_time']),
+				'subject' => $row['first_subject'],
+				'preview' => $row['first_body'],
+				'icon' => $row['first_icon'],
+				'icon_url' => $settings[$context['icon_sources'][$row['first_icon']]] . '/post/' . $row['first_icon'] . '.gif',
+				'href' => $scripturl . '?topic=' . $row['id_topic'] . '.0;topicseen',
+				'link' => '<a href="' . $scripturl . '?topic=' . $row['id_topic'] . '.0;topicseen">' . $row['first_subject'] . '</a>'
+			),
+			'last_post' => array(
+				'id' => $row['id_last_msg'],
+				'member' => array(
+					'name' => $row['last_poster_name'],
+					'id' => $row['id_last_member'],
+					'href' => $scripturl . '?action=profile;u=' . $row['id_last_member'],
+					'link' => !empty($row['id_last_member']) ? '<a href="' . $scripturl . '?action=profile;u=' . $row['id_last_member'] . '">' . $row['last_poster_name'] . '</a>' : $row['last_poster_name']
+				),
+				'time' => timeformat($row['last_poster_time']),
+				'timestamp' => forum_time(true, $row['last_poster_time']),
+				'subject' => $row['last_subject'],
+				'preview' => $row['last_body'],
+				'icon' => $row['last_icon'],
+				'icon_url' => $settings[$context['icon_sources'][$row['last_icon']]] . '/post/' . $row['last_icon'] . '.gif',
+				'href' => $scripturl . '?topic=' . $row['id_topic'] . ($row['num_replies'] == 0 ? '.0' : '.msg' . $row['id_last_msg']) . ';topicseen#msg' . $row['id_last_msg'],
+				'link' => '<a href="' . $scripturl . '?topic=' . $row['id_topic'] . ($row['num_replies'] == 0 ? '.0' : '.msg' . $row['id_last_msg']) . ';topicseen#msg' . $row['id_last_msg'] . '" rel="nofollow">' . $row['last_subject'] . '</a>'
+			),
+			'new_from' => $row['new_from'],
+			'new_href' => $scripturl . '?topic=' . $row['id_topic'] . '.msg' . $row['new_from'] . ';topicseen#new',
+			'href' => $scripturl . '?topic=' . $row['id_topic'] . ($row['num_replies'] == 0 ? '.0' : '.msg' . $row['new_from']) . ';topicseen' . ($row['num_replies'] == 0 ? '' : 'new'),
+			'link' => '<a href="' . $scripturl . '?topic=' . $row['id_topic'] . ($row['num_replies'] == 0 ? '.0' : '.msg' . $row['new_from']) . ';topicseen#msg' . $row['new_from'] . '" rel="nofollow">' . $row['first_subject'] . '</a>',
+			'is_sticky' => !empty($modSettings['enableStickyTopics']) && !empty($row['is_sticky']),
+			'is_locked' => !empty($row['locked']),
+			'is_poll' => $modSettings['pollMode'] == '1' && $row['id_poll'] > 0,
+			'is_hot' => $row['num_replies'] >= $modSettings['hotTopicPosts'],
+			'is_very_hot' => $row['num_replies'] >= $modSettings['hotTopicVeryPosts'],
+			'is_posted_in' => false,
+			'icon' => $row['first_icon'],
+			'icon_url' => $settings[$context['icon_sources'][$row['first_icon']]] . '/post/' . $row['first_icon'] . '.gif',
+			'subject' => $row['first_subject'],
+			'pages' => $pages,
+			'replies' => comma_format($row['num_replies']),
+			'views' => comma_format($row['num_views']),
+			'board' => array(
+				'id' => $row['id_board'],
+				'name' => $row['bname'],
+				'href' => $scripturl . '?board=' . $row['id_board'] . '.0',
+				'link' => '<a href="' . $scripturl . '?board=' . $row['id_board'] . '.0">' . $row['bname'] . '</a>'
+			)
+		);
+
+		determineTopicClass($context['topics'][$row['id_topic']]);
+	}
+	$smcFunc['db_free_result']($request);
+
+	if ($is_topics && !empty($modSettings['enableParticipation']) && !empty($topic_ids))
+	{
+		$result = $smcFunc['db_query']('', '
+			SELECT id_topic
+			FROM {db_prefix}messages
+			WHERE id_topic IN ({array_int:topic_list})
+				AND id_member = {int:current_member}
+			GROUP BY id_topic
+			LIMIT {int:limit}',
+			array(
+				'current_member' => $user_info['id'],
+				'topic_list' => $topic_ids,
+				'limit' => count($topic_ids),
+			)
+		);
+		while ($row = $smcFunc['db_fetch_assoc']($result))
+		{
+			if (empty($context['topics'][$row['id_topic']]['is_posted_in']))
+			{
+				$context['topics'][$row['id_topic']]['is_posted_in'] = true;
+				$context['topics'][$row['id_topic']]['class'] = 'my_' . $context['topics'][$row['id_topic']]['class'];
+			}
+		}
+		$smcFunc['db_free_result']($result);
+	}
+
+	$context['querystring_board_limits'] = sprintf($context['querystring_board_limits'], $_REQUEST['start']);
+	$context['topics_to_mark'] = implode('-', $topic_ids);
+}
+
+?>
\ No newline at end of file