/forum/viewtopic.php

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

/**
* @ignore
*/
define('IN_PHPBB', true);
$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'common.' . $phpEx);
include($phpbb_root_path . 'includes/functions_display.' . $phpEx);
include($phpbb_root_path . 'includes/functions_posting.' . $phpEx);
include($phpbb_root_path . 'includes/bbcode.' . $phpEx);
// www.phpBB-SEO.com SEO TOOLKIT BEGIN
if (empty($_REQUEST['f'])) {
	$phpbb_seo->get_forum_id($session_forum_id);
	if ($session_forum_id > 0) {
		$_REQUEST['f'] = (int) $session_forum_id;
	}
}
if (!empty($_REQUEST['hilit'])) {
	$_REQUEST['hilit'] = rawurldecode($_REQUEST['hilit']);
	if (!$phpbb_seo->is_utf8($_REQUEST['hilit'])) {
		$_REQUEST['hilit'] = utf8_normalize_nfc(utf8_recode($_REQUEST['hilit'], 'iso-8859-1'));
	}
}
// www.phpBB-SEO.com SEO TOOLKIT END
// Start session management
$user->session_begin();
$auth->acl($user->data);

// Initial var setup
$forum_id	= request_var('f', 0);
$topic_id	= request_var('t', 0);
$post_id	= request_var('p', 0);
$voted_id	= request_var('vote_id', array('' => 0));

$voted_id = (sizeof($voted_id) > 1) ? array_unique($voted_id) : $voted_id;


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

$default_sort_days	= (!empty($user->data['user_post_show_days'])) ? $user->data['user_post_show_days'] : 0;
$default_sort_key	= (!empty($user->data['user_post_sortby_type'])) ? $user->data['user_post_sortby_type'] : 't';
$default_sort_dir	= (!empty($user->data['user_post_sortby_dir'])) ? $user->data['user_post_sortby_dir'] : 'a';

$sort_days	= request_var('st', $default_sort_days);
$sort_key	= request_var('sk', $default_sort_key);
$sort_dir	= request_var('sd', $default_sort_dir);

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

$s_can_vote = false;
/**
* @todo normalize?
*/
$hilit_words	= request_var('hilit', '', true);

// Do we have a topic or post id?
if (!$topic_id && !$post_id)
{
	trigger_error('NO_TOPIC');
}

// Find topic id if user requested a newer or older topic
if ($view && !$post_id)
{
	if (!$forum_id)
	{
		$sql = 'SELECT forum_id
			FROM ' . TOPICS_TABLE . "
			WHERE topic_id = $topic_id";
		$result = $db->sql_query($sql);
		$forum_id = (int) $db->sql_fetchfield('forum_id');
		$db->sql_freeresult($result);

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

	if ($view == 'unread')
	{
		// Get topic tracking info
		$topic_tracking_info = get_complete_topic_tracking($forum_id, $topic_id);

		$topic_last_read = (isset($topic_tracking_info[$topic_id])) ? $topic_tracking_info[$topic_id] : 0;

		$sql = 'SELECT post_id, topic_id, forum_id
			FROM ' . POSTS_TABLE . "
			WHERE topic_id = $topic_id
				" . (($auth->acl_get('m_approve', $forum_id)) ? '' : 'AND post_approved = 1') . "
				AND post_time > $topic_last_read
				AND forum_id = $forum_id
			ORDER BY post_time ASC";
		$result = $db->sql_query_limit($sql, 1);
		$row = $db->sql_fetchrow($result);
		$db->sql_freeresult($result);

		if (!$row)
		{
			$sql = 'SELECT topic_last_post_id as post_id, topic_id, forum_id
				FROM ' . TOPICS_TABLE . '
				WHERE topic_id = ' . $topic_id;
			$result = $db->sql_query($sql);
			$row = $db->sql_fetchrow($result);
			$db->sql_freeresult($result);
		}

		if (!$row)
		{
			// Setup user environment so we can process lang string
			$user->setup('viewtopic');

			trigger_error('NO_TOPIC');
		}

		$post_id = $row['post_id'];
		$topic_id = $row['topic_id'];
	}
	else if ($view == 'next' || $view == 'previous')
	{
		$sql_condition = ($view == 'next') ? '>' : '<';
		$sql_ordering = ($view == 'next') ? 'ASC' : 'DESC';

		$sql = 'SELECT forum_id, topic_last_post_time
			FROM ' . TOPICS_TABLE . '
			WHERE topic_id = ' . $topic_id;
		$result = $db->sql_query($sql);
		$row = $db->sql_fetchrow($result);
		$db->sql_freeresult($result);

		if (!$row)
		{
			$user->setup('viewtopic');
			// OK, the topic doesn't exist. This error message is not helpful, but technically correct.
			trigger_error(($view == 'next') ? 'NO_NEWER_TOPICS' : 'NO_OLDER_TOPICS');
		}
		else
		{
			$sql = 'SELECT topic_id, forum_id
				FROM ' . TOPICS_TABLE . '
				WHERE forum_id = ' . $row['forum_id'] . "
					AND topic_moved_id = 0
					AND topic_last_post_time $sql_condition {$row['topic_last_post_time']}
					" . (($auth->acl_get('m_approve', $row['forum_id'])) ? '' : 'AND topic_approved = 1') . "
				ORDER BY topic_last_post_time $sql_ordering";
			$result = $db->sql_query_limit($sql, 1);
			$row = $db->sql_fetchrow($result);
			$db->sql_freeresult($result);

			if (!$row)
			{
				$user->setup('viewtopic');
				trigger_error(($view == 'next') ? 'NO_NEWER_TOPICS' : 'NO_OLDER_TOPICS');
			}
			else
			{
				$topic_id = $row['topic_id'];

				// Check for global announcement correctness?
				if (!$row['forum_id'] && !$forum_id)
				{
					trigger_error('NO_TOPIC');
				}
				else if ($row['forum_id'])
				{
					$forum_id = $row['forum_id'];
				}
			}
		}
	}

	// Check for global announcement correctness?
	if ((!isset($row) || !$row['forum_id']) && !$forum_id)
	{
		trigger_error('NO_TOPIC');
	}
	else if (isset($row) && $row['forum_id'])
	{
		$forum_id = $row['forum_id'];
	}
}

// This rather complex gaggle of code handles querying for topics but
// also allows for direct linking to a post (and the calculation of which
// page the post is on and the correct display of viewtopic)
$sql_array = array(
	'SELECT'	=> 't.*, f.*',

	'FROM'		=> array(FORUMS_TABLE => 'f'),
);

// Firebird handles two columns of the same name a little differently, this
// addresses that by forcing the forum_id to come from the forums table.
if ($db->sql_layer === 'firebird')
{
	$sql_array['SELECT'] = 'f.forum_id AS forum_id, ' . $sql_array['SELECT'];
}

// The FROM-Order is quite important here, else t.* columns can not be correctly bound.
if ($post_id)
{
	$sql_array['SELECT'] .= ', p.post_approved';
	$sql_array['FROM'][POSTS_TABLE] = 'p';
}

// Topics table need to be the last in the chain
$sql_array['FROM'][TOPICS_TABLE] = 't';

if ($user->data['is_registered'])
{
	$sql_array['SELECT'] .= ', tw.notify_status';
	$sql_array['LEFT_JOIN'] = array();

	$sql_array['LEFT_JOIN'][] = array(
		'FROM'	=> array(TOPICS_WATCH_TABLE => 'tw'),
		'ON'	=> 'tw.user_id = ' . $user->data['user_id'] . ' AND t.topic_id = tw.topic_id'
	);

	if ($config['allow_bookmarks'])
	{
		$sql_array['SELECT'] .= ', bm.topic_id as bookmarked';
		$sql_array['LEFT_JOIN'][] = array(
			'FROM'	=> array(BOOKMARKS_TABLE => 'bm'),
			'ON'	=> 'bm.user_id = ' . $user->data['user_id'] . ' AND t.topic_id = bm.topic_id'
		);
	}

	if ($config['load_db_lastread'])
	{
		$sql_array['SELECT'] .= ', tt.mark_time, ft.mark_time as forum_mark_time';

		$sql_array['LEFT_JOIN'][] = array(
			'FROM'	=> array(TOPICS_TRACK_TABLE => 'tt'),
			'ON'	=> 'tt.user_id = ' . $user->data['user_id'] . ' AND t.topic_id = tt.topic_id'
		);

		$sql_array['LEFT_JOIN'][] = array(
			'FROM'	=> array(FORUMS_TRACK_TABLE => 'ft'),
			'ON'	=> 'ft.user_id = ' . $user->data['user_id'] . ' AND t.forum_id = ft.forum_id'
		);
	}
}

if (!$post_id)
{
	$sql_array['WHERE'] = "t.topic_id = $topic_id";
}
else
{
	$sql_array['WHERE'] = "p.post_id = $post_id AND t.topic_id = p.topic_id";
}

$sql_array['WHERE'] .= ' AND (f.forum_id = t.forum_id';

if (!$forum_id)
{
	// If it is a global announcement make sure to set the forum id to a postable forum
	$sql_array['WHERE'] .= ' OR (t.topic_type = ' . POST_GLOBAL . '
		AND f.forum_type = ' . FORUM_POST . ')';
}
else
{
	$sql_array['WHERE'] .= ' OR (t.topic_type = ' . POST_GLOBAL . "
		AND f.forum_id = $forum_id)";
}

$sql_array['WHERE'] .= ')';

// Join to forum table on topic forum_id unless topic forum_id is zero
// whereupon we join on the forum_id passed as a parameter ... this
// is done so navigation, forum name, etc. remain consistent with where
// user clicked to view a global topic
$sql = $db->sql_build_query('SELECT', $sql_array);
$result = $db->sql_query($sql);
$topic_data = $db->sql_fetchrow($result);
$db->sql_freeresult($result);

// link to unapproved post or incorrect link
if (!$topic_data)
{
	// If post_id was submitted, we try at least to display the topic as a last resort...
	if ($post_id && $topic_id)
	{
		redirect(append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id" . (($forum_id) ? "&amp;f=$forum_id" : '')));
	}

	trigger_error('NO_TOPIC');
}

$forum_id = (int) $topic_data['forum_id'];
// This is for determining where we are (page)
if ($post_id)
{
	// are we where we are supposed to be?
	if (!$topic_data['post_approved'] && !$auth->acl_get('m_approve', $topic_data['forum_id']))
	{
		// If post_id was submitted, we try at least to display the topic as a last resort...
		if ($topic_id)
		{
			redirect(append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id" . (($forum_id) ? "&amp;f=$forum_id" : '')));
		}

		trigger_error('NO_TOPIC');
	}
	if ($post_id == $topic_data['topic_first_post_id'] || $post_id == $topic_data['topic_last_post_id'])
	{
		$check_sort = ($post_id == $topic_data['topic_first_post_id']) ? 'd' : 'a';

		if ($sort_dir == $check_sort)
		{
			$topic_data['prev_posts'] = ($auth->acl_get('m_approve', $forum_id)) ? $topic_data['topic_replies_real'] : $topic_data['topic_replies'];
		}
		else
		{
			$topic_data['prev_posts'] = 0;
		}
	}
	else
	{
		$sql = 'SELECT COUNT(p1.post_id) AS prev_posts
			FROM ' . POSTS_TABLE . ' p1, ' . POSTS_TABLE . " p2
			WHERE p1.topic_id = {$topic_data['topic_id']}
				AND p2.post_id = {$post_id}
				" . ((!$auth->acl_get('m_approve', $forum_id)) ? 'AND p1.post_approved = 1' : '') . '
				AND ' . (($sort_dir == 'd') ? 'p1.post_time >= p2.post_time' : 'p1.post_time <= p2.post_time');

		$result = $db->sql_query($sql);
		$row = $db->sql_fetchrow($result);
		$db->sql_freeresult($result);

		$topic_data['prev_posts'] = $row['prev_posts'] - 1;
	}
}

$topic_id = (int) $topic_data['topic_id'];
// www.phpBB-SEO.com SEO TOOLKIT BEGIN
$phpbb_seo->set_url($topic_data['forum_name'], $forum_id, 'forum');
if ($topic_data['topic_type'] == POST_GLOBAL) {
	// Let's make sure user will see global annoucements
	$auth->cache[$forum_id]['f_read'] = 1;
	$_parent = $phpbb_seo->seo_static['global_announce'];
} else {
	$_parent = $phpbb_seo->seo_url['forum'][$forum_id];
}
if (!empty($phpbb_seo->seo_opt['sql_rewrite']) || !empty($topic_data['topic_url'])) {
	if ( !$phpbb_seo->check_url('topic', $topic_data['topic_url'], $_parent)) {
		if (!empty($topic_data['topic_url'])) {
			// Here we get rid of the seo delim (-t) and put it back even in simple mod
			// to be able to handle all cases at once
			$_url = preg_replace('`' . $phpbb_seo->seo_delim['topic'] . '$`i', '', $topic_data['topic_url']);
			$_title = $phpbb_seo->get_url_info('topic', $_url . $phpbb_seo->seo_delim['topic'] . $topic_id, 'title');
		} else {
			$_title = $phpbb_seo->modrtype > 2 ? censor_text($topic_data['topic_title']) : '';
		}
		unset($phpbb_seo->seo_url['topic'][$topic_id]);
		$topic_data['topic_url'] = $phpbb_seo->get_url_info('topic', $phpbb_seo->prepare_url( 'topic', $_title, $topic_id, $_parent, (( empty($_title) || ($_title == $phpbb_seo->seo_static['topic']) ) ? true : false) ), 'url');
		unset($phpbb_seo->seo_url['topic'][$topic_id]);
		if ($topic_data['topic_url']) {
			// Update the topic_url field for later re-use
			$sql = "UPDATE " . TOPICS_TABLE . " SET topic_url = '" . $db->sql_escape($topic_data['topic_url']) . "'
				WHERE topic_id = $topic_id";
			$db->sql_query($sql);
		}
	}
} else {
	$topic_data['topic_url'] = '';
}
$phpbb_seo->prepare_iurl($topic_data, 'topic', $_parent);
// www.phpBB-SEO.com SEO TOOLKIT END
//
$topic_replies = ($auth->acl_get('m_approve', $forum_id)) ? $topic_data['topic_replies_real'] : $topic_data['topic_replies'];

// Check sticky/announcement time limit
if (($topic_data['topic_type'] == POST_STICKY || $topic_data['topic_type'] == POST_ANNOUNCE) && $topic_data['topic_time_limit'] && ($topic_data['topic_time'] + $topic_data['topic_time_limit']) < time())
{
	$sql = 'UPDATE ' . TOPICS_TABLE . '
		SET topic_type = ' . POST_NORMAL . ', topic_time_limit = 0
		WHERE topic_id = ' . $topic_id;
	$db->sql_query($sql);

	$topic_data['topic_type'] = POST_NORMAL;
	$topic_data['topic_time_limit'] = 0;
}

// Setup look and feel
$user->setup('viewtopic', $topic_data['forum_style']);

if (!$topic_data['topic_approved'] && !$auth->acl_get('m_approve', $forum_id))
{
	trigger_error('NO_TOPIC');
}

// Start auth check
if (!$auth->acl_get('f_read', $forum_id))
{
	if ($user->data['user_id'] != ANONYMOUS)
	{
		trigger_error('SORRY_AUTH_READ');
	}

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

// Forum is passworded ... check whether access has been granted to this
// user this session, if not show login box
if ($topic_data['forum_password'])
{
	login_forum_box($topic_data);
}

// Redirect to login or to the correct post upon emailed notification links
if (isset($_GET['e']))
{
	$jump_to = request_var('e', 0);

	// www.phpBB-SEO.com SEO TOOLKIT BEGIN
	//$redirect_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id");
	// www.phpBB-SEO.com SEO TOOLKIT END

	if ($user->data['user_id'] == ANONYMOUS)
	{
		// www.phpBB-SEO.com SEO TOOLKIT BEGIN
		login_box(append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;p=$post_id&amp;e=$jump_to"), $user->lang['LOGIN_NOTIFY_TOPIC']);
		// www.phpBB-SEO.com SEO TOOLKIT END
	}

	if ($jump_to > 0)
	{
		// We direct the already logged in user to the correct post...
		// www.phpBB-SEO.com SEO TOOLKIT BEGIN
		redirect(append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id" . ((!$post_id) ? "&amp;p=$jump_to" : "&amp;p=$post_id")) . "#p$jump_to");
		// www.phpBB-SEO.com SEO TOOLKIT END
	}
}

// What is start equal to?
if ($post_id)
{
	$start = floor(($topic_data['prev_posts']) / $config['posts_per_page']) * $config['posts_per_page'];
}

// Get topic tracking info
if (!isset($topic_tracking_info))
{
	$topic_tracking_info = array();

	// Get topic tracking info
	if ($config['load_db_lastread'] && $user->data['is_registered'])
	{
		$tmp_topic_data = array($topic_id => $topic_data);
		$topic_tracking_info = get_topic_tracking($forum_id, $topic_id, $tmp_topic_data, array($forum_id => $topic_data['forum_mark_time']));
		unset($tmp_topic_data);
	}
	else if ($config['load_anon_lastread'] || $user->data['is_registered'])
	{
		$topic_tracking_info = get_complete_topic_tracking($forum_id, $topic_id);
	}
}

// Post ordering options
$limit_days = array(0 => $user->lang['ALL_POSTS'], 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['AUTHOR'], 't' => $user->lang['POST_TIME'], 's' => $user->lang['SUBJECT']);
$sort_by_sql = array('a' => array('u.username_clean', 'p.post_id'), 't' => 'p.post_time', 's' => array('p.post_subject', 'p.post_id'));
$join_user_sql = array('a' => true, 't' => false, 's' => false);

$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, $default_sort_days, $default_sort_key, $default_sort_dir);

// Obtain correct post count and ordering SQL if user has
// requested anything different
if ($sort_days)
{
	$min_post_time = time() - ($sort_days * 86400);

	$sql = 'SELECT COUNT(post_id) AS num_posts
		FROM ' . POSTS_TABLE . "
		WHERE topic_id = $topic_id
			AND post_time >= $min_post_time
		" . (($auth->acl_get('m_approve', $forum_id)) ? '' : 'AND post_approved = 1');
	$result = $db->sql_query($sql);
	$total_posts = (int) $db->sql_fetchfield('num_posts');
	$db->sql_freeresult($result);

	$limit_posts_time = "AND p.post_time >= $min_post_time ";

	if (isset($_POST['sort']))
	{
		$start = 0;
	}
}
else
{
	$total_posts = $topic_replies + 1;
	$limit_posts_time = '';
}

// Was a highlight request part of the URI?
$highlight_match = $highlight = '';
if ($hilit_words)
{
	foreach (explode(' ', trim($hilit_words)) as $word)
	{
		if (trim($word))
		{
			$word = str_replace('\*', '\w+?', preg_quote($word, '#'));
			$word = preg_replace('#(^|\s)\\\\w\*\?(\s|$)#', '$1\w+?$2', $word);
			$highlight_match .= (($highlight_match != '') ? '|' : '') . $word;
		}
	}

	$highlight = urlencode($hilit_words);
}

// Make sure $start is set to the last page if it exceeds the amount
if ($start < 0 || $start >= $total_posts)
{
	$start = ($start < 0) ? 0 : floor(($total_posts - 1) / $config['posts_per_page']) * $config['posts_per_page'];
}
// www.phpBB-SEO.com SEO TOOLKIT BEGIN -> Zero dupe
$phpbb_seo->seo_opt['zero_dupe']['start'] = $phpbb_seo->seo_chk_start( $start, $config['posts_per_page'] );

// Changings for primehalo's Post Revision MOD
$displ_history = request_var('display_history', false);
$rem_history = request_var('remove_history', '');
$conf_key = request_var('confirm_key', '');

if (!empty($phpbb_seo->seo_opt['url_rewrite'])) {
	$phpbb_seo->seo_path['canonical'] = $phpbb_seo->drop_sid(append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;start=$start"));
}
if ( $post_id && !$view && !$phpbb_seo->set_do_redir_post()) {
	$phpbb_seo->seo_opt['zero_dupe']['redir_def'] = array(
		'p' => array('val' => $post_id, 'keep' => true, 'force' => true, 'hash' => "p$post_id"),
		'hilit' => array('val' => (($highlight_match) ? $highlight : ''), 'keep' => !empty($highlight_match)),

		// Changings for primehalo's Post Revision MOD
		'display_history' => array('val' => $displ_history, 'keep' => (boolean) ($displ_history == true)),
		'remove_history' => array('val' => $rem_history, 'keep' => $rem_history),
		'confirm_key' => array('val' => $conf_key, 'keep' => $conf_key),
	);
} else {
	$seo_watch = request_var('watch', '');
	$seo_unwatch = request_var('unwatch', '');
	$seo_bookmark = request_var('bookmark', 0);
	$keep_watch = (boolean) ($seo_watch == 'topic' && $user->data['is_registered']);
	$keep_unwatch = (boolean) ($seo_unwatch == 'topic' && $user->data['is_registered']);
	$keep_hash = (boolean) ($keep_watch || $keep_unwatch || $seo_bookmark);
	$seo_uid = max(0, request_var('uid', 0));
	$phpbb_seo->seo_opt['zero_dupe']['redir_def'] = array(
		'uid' => array('val' => $seo_uid, 'keep' => (boolean) ($keep_hash && $seo_uid)),
		'f' => array('val' => $forum_id, 'keep' => true, 'force' => true),
		't' => array('val' => $topic_id, 'keep' => true, 'force' => true, 'hash' => $post_id ? "p$post_id" : ''),

		// Changings for primehalo's Post Revision MOD
		'p' => array('val' => $post_id, 'keep' =>  ((($post_id && $view == 'show') || $displ_history || !empty($rem_history) || !empty($conf_key)) ? true : false), 'hash' => "p$post_id"),
		'display_history' => array('val' => $displ_history, 'keep' => (boolean) ($displ_history == true)),
		'remove_history' => array('val' => $rem_history, 'keep' => $rem_history),
		'confirm_key' => array('val' => $conf_key, 'keep' => $conf_key),

		'watch' => array('val' => $seo_watch, 'keep' => $keep_watch),
		'unwatch' => array('val' => $seo_unwatch, 'keep' => $keep_unwatch),
		'bookmark' => array('val' => $seo_bookmark, 'keep' => (boolean) ($user->data['is_registered'] && $config['allow_bookmarks'] && $seo_bookmark)),
		'start' => array('val' => $phpbb_seo->seo_opt['zero_dupe']['start'], 'keep' => true, 'force' => true),
		'hash' => array('val' => request_var('hash', ''), 'keep' => $keep_hash),
		'st' => array('val' => $sort_days, 'keep' => true),
		'sk' => array('val' => $sort_key, 'keep' => true),
		'sd' => array('val' => $sort_dir, 'keep' => true),
		'view' => array('val' => $view, 'keep' => $view == 'print' ? (boolean) $auth->acl_get('f_print', $forum_id) : (($view == 'viewpoll' || $view == 'show') ? true : false)),
		'hilit' => array('val' => (($highlight_match) ? $highlight : ''), 'keep' => (boolean) !(!$user->data['is_registered'] && $phpbb_seo->seo_opt['rem_hilit'])),
	);
	if ($phpbb_seo->seo_opt['zero_dupe']['redir_def']['bookmark']['keep']) { // Prevent unessecary redirections
		// Note : bookmark, watch and unwatch cases could just not be handled by the zero dupe (no redirect at all when used),
		// but the handling as well acts as a poweful security shield so, it's worth it ;)
		unset($phpbb_seo->seo_opt['zero_dupe']['redir_def']['start']);
	}
}
$phpbb_seo->seo_chk_dupe();
// www.phpBB-SEO.com SEO TOOLKIT END -> Zero dupe
// General Viewtopic URL for return links
$viewtopic_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start") . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '') . (($highlight_match) ? "&amp;hilit=$highlight" : ''));

// Are we watching this topic?
$s_watching_topic = array(
	'link'			=> '',
	'title'			=> '',
	'is_watching'	=> false,
);

if (($config['email_enable'] || $config['jab_enable']) && $config['allow_topic_notify'] && $user->data['is_registered'])
{
	watch_topic_forum('topic', $s_watching_topic, $user->data['user_id'], $forum_id, $topic_id, $topic_data['notify_status'], $start);

	// Reset forum notification if forum notify is set
	if ($config['allow_forum_notify'] && $auth->acl_get('f_subscribe', $forum_id))
	{
		$s_watching_forum = $s_watching_topic;
		watch_topic_forum('forum', $s_watching_forum, $user->data['user_id'], $forum_id, 0);
	}
}

// Bookmarks
if ($config['allow_bookmarks'] && $user->data['is_registered'] && request_var('bookmark', 0))
{
	if (check_link_hash(request_var('hash', ''), "topic_$topic_id"))
	{
		if (!$topic_data['bookmarked'])
		{
			$sql = 'INSERT INTO ' . BOOKMARKS_TABLE . ' ' . $db->sql_build_array('INSERT', array(
				'user_id'	=> $user->data['user_id'],
				'topic_id'	=> $topic_id,
			));
			$db->sql_query($sql);
		}
		else
		{
			$sql = 'DELETE FROM ' . BOOKMARKS_TABLE . "
				WHERE user_id = {$user->data['user_id']}
					AND topic_id = $topic_id";
			$db->sql_query($sql);
		}
		$message = (($topic_data['bookmarked']) ? $user->lang['BOOKMARK_REMOVED'] : $user->lang['BOOKMARK_ADDED']) . '<br /><br />' . sprintf($user->lang['RETURN_TOPIC'], '<a href="' . $viewtopic_url . '">', '</a>');
	}
	else
	{
		$message = $user->lang['BOOKMARK_ERR'] . '<br /><br />' . sprintf($user->lang['RETURN_TOPIC'], '<a href="' . $viewtopic_url . '">', '</a>');
	}
	meta_refresh(3, $viewtopic_url);

	trigger_error($message);
}

// Grab ranks
$ranks = $cache->obtain_ranks();

// Grab icons
$icons = $cache->obtain_icons();

// Grab extensions
$extensions = array();
if ($topic_data['topic_attachment'])
{
	$extensions = $cache->obtain_attach_extensions($forum_id);
}

// Forum rules listing
$s_forum_rules = '';
gen_forum_auth_level('topic', $forum_id, $topic_data['forum_status']);

// Quick mod tools
$allow_change_type = ($auth->acl_get('m_', $forum_id) || ($user->data['is_registered'] && $user->data['user_id'] == $topic_data['topic_poster'])) ? true : false;

$topic_mod = '';
$topic_mod .= ($auth->acl_get('m_lock', $forum_id) || ($auth->acl_get('f_user_lock', $forum_id) && $user->data['is_registered'] && $user->data['user_id'] == $topic_data['topic_poster'] && $topic_data['topic_status'] == ITEM_UNLOCKED)) ? (($topic_data['topic_status'] == ITEM_UNLOCKED) ? '<option value="lock">' . $user->lang['LOCK_TOPIC'] . '</option>' : '<option value="unlock">' . $user->lang['UNLOCK_TOPIC'] . '</option>') : '';
$topic_mod .= ($auth->acl_get('m_delete', $forum_id)) ? '<option value="delete_topic">' . $user->lang['DELETE_TOPIC'] . '</option>' : '';
$topic_mod .= ($auth->acl_get('m_move', $forum_id) && $topic_data['topic_status'] != ITEM_MOVED) ? '<option value="move">' . $user->lang['MOVE_TOPIC'] . '</option>' : '';
$topic_mod .= ($auth->acl_get('m_split', $forum_id)) ? '<option value="split">' . $user->lang['SPLIT_TOPIC'] . '</option>' : '';
$topic_mod .= ($auth->acl_get('m_merge', $forum_id)) ? '<option value="merge">' . $user->lang['MERGE_POSTS'] . '</option>' : '';
$topic_mod .= ($auth->acl_get('m_merge', $forum_id)) ? '<option value="merge_topic">' . $user->lang['MERGE_TOPIC'] . '</option>' : '';
$topic_mod .= ($auth->acl_get('m_move', $forum_id)) ? '<option value="fork">' . $user->lang['FORK_TOPIC'] . '</option>' : '';
$topic_mod .= ($allow_change_type && $auth->acl_gets('f_sticky', 'f_announce', $forum_id) && $topic_data['topic_type'] != POST_NORMAL) ? '<option value="make_normal">' . $user->lang['MAKE_NORMAL'] . '</option>' : '';
$topic_mod .= ($allow_change_type && $auth->acl_get('f_sticky', $forum_id) && $topic_data['topic_type'] != POST_STICKY) ? '<option value="make_sticky">' . $user->lang['MAKE_STICKY'] . '</option>' : '';
$topic_mod .= ($allow_change_type && $auth->acl_get('f_announce', $forum_id) && $topic_data['topic_type'] != POST_ANNOUNCE) ? '<option value="make_announce">' . $user->lang['MAKE_ANNOUNCE'] . '</option>' : '';
$topic_mod .= ($allow_change_type && $auth->acl_get('f_announce', $forum_id) && $topic_data['topic_type'] != POST_GLOBAL) ? '<option value="make_global">' . $user->lang['MAKE_GLOBAL'] . '</option>' : '';
$topic_mod .= ($auth->acl_get('m_', $forum_id)) ? '<option value="topic_logs">' . $user->lang['VIEW_TOPIC_LOGS'] . '</option>' : '';

// If we've got a hightlight set pass it on to pagination.
$pagination = generate_pagination(append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id" . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '') . (($highlight_match) ? "&amp;hilit=$highlight" : '')), $total_posts, $config['posts_per_page'], $start);

// Navigation links
generate_forum_nav($topic_data);

// Forum Rules
generate_forum_rules($topic_data);

// Moderators
$forum_moderators = array();
if ($config['load_moderators'])
{
	get_moderators($forum_moderators, $forum_id);
}

// This is only used for print view so ...
$server_path = (!$view) ? $phpbb_root_path : generate_board_url() . '/';

// Replace naughty words in title
$topic_data['topic_title'] = censor_text($topic_data['topic_title']);

$s_search_hidden_fields = array(
	't' => $topic_id,
	'sf' => 'msgonly',
);
if ($_SID)
{
	$s_search_hidden_fields['sid'] = $_SID;
}


//-- mod: Prime Trash Bin (Topics) ------------------------------------------//
// Adjust the quickmod dropdown list if necessary.
include ($phpbb_root_path . 'includes/prime_trash_bin_a.' . $phpEx);
$topic_deleted = !empty($topic_data['topic_deleted_time']);
if ($topic_deleted)
{
	$topic_mod = fake_delete_alter_quickmod($topic_mod, $forum_id);
}
//-- end: Prime Trash Bin (Topics) ------------------------------------------//
// Send vars to template
$template->assign_vars(array(
	'FORUM_ID' 		=> $forum_id,
	'FORUM_NAME' 	=> $topic_data['forum_name'],
	'FORUM_DESC'	=> generate_text_for_display($topic_data['forum_desc'], $topic_data['forum_desc_uid'], $topic_data['forum_desc_bitfield'], $topic_data['forum_desc_options']),
	'TOPIC_ID' 		=> $topic_id,
	'TOPIC_TITLE' 	=> $topic_data['topic_title'],
	'TOPIC_POSTER'	=> $topic_data['topic_poster'],

	'TOPIC_AUTHOR_FULL'		=> get_username_string('full', $topic_data['topic_poster'], $topic_data['topic_first_poster_name'], $topic_data['topic_first_poster_colour']),
	'TOPIC_AUTHOR_COLOUR'	=> get_username_string('colour', $topic_data['topic_poster'], $topic_data['topic_first_poster_name'], $topic_data['topic_first_poster_colour']),
	'TOPIC_AUTHOR'			=> get_username_string('username', $topic_data['topic_poster'], $topic_data['topic_first_poster_name'], $topic_data['topic_first_poster_colour']),

	'PAGINATION' 	=> $pagination,
	'PAGE_NUMBER' 	=> on_page($total_posts, $config['posts_per_page'], $start),
	'TOTAL_POSTS'	=> ($total_posts == 1) ? $user->lang['VIEW_TOPIC_POST'] : sprintf($user->lang['VIEW_TOPIC_POSTS'], $total_posts),
	'U_MCP' 		=> ($auth->acl_get('m_', $forum_id)) ? append_sid("{$phpbb_root_path}mcp.$phpEx", "i=main&amp;mode=topic_view&amp;f=$forum_id&amp;t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start") . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : ''), true, $user->session_id) : '',
	'MODERATORS'	=> (isset($forum_moderators[$forum_id]) && sizeof($forum_moderators[$forum_id])) ? implode(', ', $forum_moderators[$forum_id]) : '',

	'POST_IMG' 			=> ($topic_data['forum_status'] == ITEM_LOCKED) ? $user->img('button_topic_locked', 'FORUM_LOCKED') : $user->img('button_topic_new', 'POST_NEW_TOPIC'),
	'QUOTE_IMG' 		=> $user->img('icon_post_quote', 'REPLY_WITH_QUOTE'),
	'REPLY_IMG'			=> ($topic_data['forum_status'] == ITEM_LOCKED || $topic_data['topic_status'] == ITEM_LOCKED) ? $user->img('button_topic_locked', 'TOPIC_LOCKED') : $user->img('button_topic_reply', 'REPLY_TO_TOPIC'),
	'EDIT_IMG' 			=> $user->img('icon_post_edit', 'EDIT_POST'),
	'DELETE_IMG' 		=> $user->img('icon_post_delete', 'DELETE_POST'),
	'INFO_IMG' 			=> $user->img('icon_post_info', 'VIEW_INFO'),
	'PROFILE_IMG'		=> $user->img('icon_user_profile', 'READ_PROFILE'),
	'SEARCH_IMG' 		=> $user->img('icon_user_search', 'SEARCH_USER_POSTS'),
	'PM_IMG' 			=> $user->img('icon_contact_pm', 'SEND_PRIVATE_MESSAGE'),
	'EMAIL_IMG' 		=> $user->img('icon_contact_email', 'SEND_EMAIL'),
	'WWW_IMG' 			=> $user->img('icon_contact_www', 'VISIT_WEBSITE'),
	'ICQ_IMG' 			=> $user->img('icon_contact_icq', 'ICQ'),
	'AIM_IMG' 			=> $user->img('icon_contact_aim', 'AIM'),
	'MSN_IMG' 			=> $user->img('icon_contact_msnm', 'MSNM'),
	'YIM_IMG' 			=> $user->img('icon_contact_yahoo', 'YIM'),
	'JABBER_IMG'		=> $user->img('icon_contact_jabber', 'JABBER') ,
	'REPORT_IMG'		=> $user->img('icon_post_report', 'REPORT_POST'),
	'REPORTED_IMG'		=> $user->img('icon_topic_reported', 'POST_REPORTED'),
	'UNAPPROVED_IMG'	=> $user->img('icon_topic_unapproved', 'POST_UNAPPROVED'),
	'WARN_IMG'			=> $user->img('icon_user_warn', 'WARN_USER'),

	'S_IS_LOCKED'			=> ($topic_data['topic_status'] == ITEM_UNLOCKED && $topic_data['forum_status'] == ITEM_UNLOCKED) ? false : true,
	'S_SELECT_SORT_DIR' 	=> $s_sort_dir,
	'S_SELECT_SORT_KEY' 	=> $s_sort_key,
	'S_SELECT_SORT_DAYS' 	=> $s_limit_days,
	'S_SINGLE_MODERATOR'	=> (!empty($forum_moderators[$forum_id]) && sizeof($forum_moderators[$forum_id]) > 1) ? false : true,
	'S_TOPIC_ACTION' 		=> append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start")),
	'S_TOPIC_MOD' 			=> ($topic_mod != '') ? '<select name="action" id="quick-mod-select">' . $topic_mod . '</select>' : '',
	// www.phpBB-SEO.com SEO TOOLKIT BEGIN
	'S_MOD_ACTION' 			=> append_sid("{$phpbb_root_path}mcp.$phpEx", "f=$forum_id&amp;t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start") . "&amp;quickmod=1&amp;redirect=" . urlencode(str_replace('&amp;', '&', "{$phpbb_root_path}viewtopic.$phpEx?f=$forum_id&amp;t=$topic_id") . (($start == 0) ? '' : "&amp;start=$start") . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '') . (($highlight_match) ? "&amp;hilit=$highlight" : '')), true, $user->session_id),
	// www.phpBB-SEO.com SEO TOOLKIT END

	'S_VIEWTOPIC'			=> true,
	'S_DISPLAY_SEARCHBOX'	=> ($auth->acl_get('u_search') && $auth->acl_get('f_search', $forum_id) && $config['load_search']) ? true : false,
	'S_SEARCHBOX_ACTION'	=> append_sid("{$phpbb_root_path}search.$phpEx"),
	'S_SEARCH_LOCAL_HIDDEN_FIELDS'	=> build_hidden_fields($s_search_hidden_fields),

	'S_DISPLAY_POST_INFO'	=> ($topic_data['forum_type'] == FORUM_POST && ($auth->acl_get('f_post', $forum_id) || $user->data['user_id'] == ANONYMOUS)) ? true : false,
	'S_DISPLAY_REPLY_INFO'	=> ($topic_data['forum_type'] == FORUM_POST && ($auth->acl_get('f_reply', $forum_id) || $user->data['user_id'] == ANONYMOUS)) ? true : false,
	'S_ENABLE_FEEDS_TOPIC'	=> ($config['feed_topic'] && !phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $topic_data['forum_options'])) ? true : false,

	// www.phpBB-SEO.com SEO TOOLKIT BEGIN
	'U_TOPIC'				=> !empty($phpbb_seo->seo_opt['url_rewrite']) ? $phpbb_seo->drop_sid($viewtopic_url) : "{$server_path}viewtopic.$phpEx?f=$forum_id&amp;t=$topic_id",
	// www.phpBB-SEO.com SEO TOOLKIT END
	'U_FORUM'				=> $server_path,
	'U_VIEW_TOPIC' 			=> $viewtopic_url,
	'U_VIEW_FORUM' 			=> append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $forum_id),
	'U_VIEW_OLDER_TOPIC'	=> append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;view=previous"),
	'U_VIEW_NEWER_TOPIC'	=> append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;view=next"),
	// www.phpBB-SEO.com SEO TOOLKIT BEGIN
	'U_PRINT_TOPIC'			=> ($auth->acl_get('f_print', $forum_id)) ? append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;start=$start" . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '') . (($highlight_match) ? "&amp;hilit=$highlight" : '') . "&amp;view=print") : '',
	// www.phpBB-SEO.com SEO TOOLKIT END
	'U_EMAIL_TOPIC'			=> ($auth->acl_get('f_email', $forum_id) && $config['email_enable']) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", "mode=email&amp;t=$topic_id") : '',

	'U_WATCH_TOPIC' 		=> $s_watching_topic['link'],
	'L_WATCH_TOPIC' 		=> $s_watching_topic['title'],
	'S_WATCHING_TOPIC'		=> $s_watching_topic['is_watching'],

	// www.phpBB-SEO.com SEO TOOLKIT BEGIN
	'U_BOOKMARK_TOPIC'		=> ($user->data['is_registered'] && $config['allow_bookmarks']) ? append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;bookmark=1&amp;hash=" . generate_link_hash("topic_$topic_id")) : '',
	// www.phpBB-SEO.com SEO TOOLKIT END
	'L_BOOKMARK_TOPIC'		=> ($user->data['is_registered'] && $config['allow_bookmarks'] && $topic_data['bookmarked']) ? $user->lang['BOOKMARK_TOPIC_REMOVE'] : $user->lang['BOOKMARK_TOPIC'],

	'U_POST_NEW_TOPIC' 		=> ($auth->acl_get('f_post', $forum_id) || $user->data['user_id'] == ANONYMOUS) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=post&amp;f=$forum_id") : '',
	'U_POST_REPLY_TOPIC' 	=> ($auth->acl_get('f_reply', $forum_id) || $user->data['user_id'] == ANONYMOUS) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=reply&amp;f=$forum_id&amp;t=$topic_id") : '',
	'U_BUMP_TOPIC'			=> (bump_topic_allowed($forum_id, $topic_data['topic_bumped'], $topic_data['topic_last_post_time'], $topic_data['topic_poster'], $topic_data['topic_last_poster_id'])) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=bump&amp;f=$forum_id&amp;t=$topic_id&amp;hash=" . generate_link_hash("topic_$topic_id")) : '')
);

// Does this topic contain a poll?
if (!empty($topic_data['poll_start']))
{
	$sql = 'SELECT o.*, p.bbcode_bitfield, p.bbcode_uid
		FROM ' . POLL_OPTIONS_TABLE . ' o, ' . POSTS_TABLE . " p
		WHERE o.topic_id = $topic_id
			AND p.post_id = {$topic_data['topic_first_post_id']}
			AND p.topic_id = o.topic_id
		ORDER BY o.poll_option_id";
	$result = $db->sql_query($sql);

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

	$cur_voted_id = array();
	if ($user->data['is_registered'])
	{
		$sql = 'SELECT poll_option_id
			FROM ' . POLL_VOTES_TABLE . '
			WHERE topic_id = ' . $topic_id . '
				AND vote_user_id = ' . $user->data['user_id'];
		$result = $db->sql_query($sql);

		while ($row = $db->sql_fetchrow($result))
		{
			$cur_voted_id[] = $row['poll_option_id'];
		}
		$db->sql_freeresult($result);
	}
	else
	{
		// Cookie based guest tracking ... I don't like this but hum ho
		// it's oft requested. This relies on "nice" users who don't feel
		// the need to delete cookies to mess with results.
		if (isset($_COOKIE[$config['cookie_name'] . '_poll_' . $topic_id]))
		{
			$cur_voted_id = explode(',', $_COOKIE[$config['cookie_name'] . '_poll_' . $topic_id]);
			$cur_voted_id = array_map('intval', $cur_voted_id);
		}
	}

	// Can not vote at all if no vote permission
	$s_can_vote = ($auth->acl_get('f_vote', $forum_id) &&
		(($topic_data['poll_length'] != 0 && $topic_data['poll_start'] + $topic_data['poll_length'] > time()) || $topic_data['poll_length'] == 0) &&
		$topic_data['topic_status'] != ITEM_LOCKED &&
		$topic_data['forum_status'] != ITEM_LOCKED &&
		(!sizeof($cur_voted_id) ||
		($auth->acl_get('f_votechg', $forum_id) && $topic_data['poll_vote_change']))) ? true : false;
	$s_display_results = (!$s_can_vote || ($s_can_vote && sizeof($cur_voted_id)) || $view == 'viewpoll') ? true : false;

	if ($update && $s_can_vote)
	{

		if (!sizeof($voted_id) || sizeof($voted_id) > $topic_data['poll_max_options'] || in_array(VOTE_CONVERTED, $cur_voted_id) || !check_form_key('posting'))
		{
			$redirect_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start"));

			meta_refresh(5, $redirect_url);
			if (!sizeof($voted_id))
			{
				$message = 'NO_VOTE_OPTION';
			}
			else if (sizeof($voted_id) > $topic_data['poll_max_options'])
			{
				$message = 'TOO_MANY_VOTE_OPTIONS';
			}
			else if (in_array(VOTE_CONVERTED, $cur_voted_id))
			{
				$message = 'VOTE_CONVERTED';
			}
			else
			{
				$message = 'FORM_INVALID';
			}

			$message = $user->lang[$message] . '<br /><br />' . sprintf($user->lang['RETURN_TOPIC'], '<a href="' . $redirect_url . '">', '</a>');
			trigger_error($message);
		}

		foreach ($voted_id as $option)
		{
			if (in_array($option, $cur_voted_id))
			{
				continue;
			}

			$sql = 'UPDATE ' . POLL_OPTIONS_TABLE . '
				SET poll_option_total = poll_option_total + 1
				WHERE poll_option_id = ' . (int) $option . '
					AND topic_id = ' . (int) $topic_id;
			$db->sql_query($sql);

			if ($user->data['is_registered'])
			{
				$sql_ary = array(
					'topic_id'			=> (int) $topic_id,
					'poll_option_id'	=> (int) $option,
					'vote_user_id'		=> (int) $user->data['user_id'],
					'vote_user_ip'		=> (string) $user->ip,
				);

				$sql = 'INSERT INTO ' . POLL_VOTES_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary);
				$db->sql_query($sql);
			}
		}

		foreach ($cur_voted_id as $option)
		{
			if (!in_array($option, $voted_id))
			{
				$sql = 'UPDATE ' . POLL_OPTIONS_TABLE . '
					SET poll_option_total = poll_option_total - 1
					WHERE poll_option_id = ' . (int) $option . '
						AND topic_id = ' . (int) $topic_id;
				$db->sql_query($sql);

				if ($user->data['is_registered'])
				{
					$sql = 'DELETE FROM ' . POLL_VOTES_TABLE . '
						WHERE topic_id = ' . (int) $topic_id . '
							AND poll_option_id = ' . (int) $option . '
							AND vote_user_id = ' . (int) $user->data['user_id'];
					$db->sql_query($sql);
				}
			}
		}

		if ($user->data['user_id'] == ANONYMOUS && !$user->data['is_bot'])
		{
			$user->set_cookie('poll_' . $topic_id, implode(',', $voted_id), time() + 31536000);
		}

		$sql = 'UPDATE ' . TOPICS_TABLE . '
			SET poll_last_vote = ' . time() . "
			WHERE topic_id = $topic_id";
		//, topic_last_post_time = ' . time() . " -- for bumping topics with new votes, ignore for now
		$db->sql_query($sql);

		$redirect_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start"));

		meta_refresh(5, $redirect_url);
		trigger_error($user->lang['VOTE_SUBMITTED'] . '<br /><br />' . sprintf($user->lang['RETURN_TOPIC'], '<a href="' . $redirect_url . '">', '</a>'));
	}

	$poll_total = 0;
	foreach ($poll_info as $poll_option)
	{
		$poll_total += $poll_option['poll_option_total'];
	}

	if ($poll_info[0]['bbcode_bitfield'])
	{
		$poll_bbcode = new bbcode();
	}
	else
	{
		$poll_bbcode = false;
	}

	for ($i = 0, $size = sizeof($poll_info); $i < $size; $i++)
	{
		$poll_info[$i]['poll_option_text'] = censor_text($poll_info[$i]['poll_option_text']);

		if ($poll_bbcode !== false)
		{
			$poll_bbcode->bbcode_second_pass($poll_info[$i]['poll_option_text'], $poll_info[$i]['bbcode_uid'], $poll_option['bbcode_bitfield']);
		}

		$poll_info[$i]['poll_option_text'] = bbcode_nl2br($poll_info[$i]['poll_option_text']);
		$poll_info[$i]['poll_option_text'] = smiley_text($poll_info[$i]['poll_option_text']);
	}

	$topic_data['poll_title'] = censor_text($topic_data['poll_title']);

	if ($poll_bbcode !== false)
	{
		$poll_bbcode->bbcode_second_pass($topic_data['poll_title'], $poll_info[0]['bbcode_uid'], $poll_info[0]['bbcode_bitfield']);
	}

	$topic_data['poll_title'] = bbcode_nl2br($topic_data['poll_title']);
	$topic_data['poll_title'] = smiley_text($topic_data['poll_title']);

	unset($poll_bbcode);

	foreach ($poll_info as $poll_option)
	{
		$option_pct = ($poll_total > 0) ? $poll_option['poll_option_total'] / $poll_total : 0;
		$option_pct_txt = sprintf("%.1d%%", round($option_pct * 100));

		$template->assign_block_vars('poll_option', array(
			'POLL_OPTION_ID' 		=> $poll_option['poll_option_id'],
			'POLL_OPTION_CAPTION' 	=> $poll_option['poll_option_text'],
			'POLL_OPTION_RESULT' 	=> $poll_option['poll_option_total'],
			'POLL_OPTION_PERCENT' 	=> $option_pct_txt,
			'POLL_OPTION_PCT'		=> round($option_pct * 100),
			'POLL_OPTION_IMG' 		=> $user->img('poll_center', $option_pct_txt, round($option_pct * 250)),
			'POLL_OPTION_VOTED'		=> (in_array($poll_option['poll_option_id'], $cur_voted_id)) ? true : false)
		);
	}

	$poll_end = $topic_data['poll_length'] + $topic_data['poll_start'];

	$template->assign_vars(array(
		'POLL_QUESTION'		=> $topic_data['poll_title'],
		'TOTAL_VOTES' 		=> $poll_total,
		'POLL_LEFT_CAP_IMG'	=> $user->img('poll_left'),
		'POLL_RIGHT_CAP_IMG'=> $user->img('poll_right'),

		'L_MAX_VOTES'		=> ($topic_data['poll_max_options'] == 1) ? $user->lang['MAX_OPTION_SELECT'] : sprintf($user->lang['MAX_OPTIONS_SELECT'], $topic_data['poll_max_options']),
		'L_POLL_LENGTH'		=> ($topic_data['poll_length']) ? sprintf($user->lang[($poll_end > time()) ? 'POLL_RUN_TILL' : 'POLL_ENDED_AT'], $user->format_date($poll_end)) : '',

		'S_HAS_POLL'		=> true,
		'S_CAN_VOTE'		=> $s_can_vote,
		'S_DISPLAY_RESULTS'	=> $s_display_results,
		'S_IS_MULTI_CHOICE'	=> ($topic_data['poll_max_options'] > 1) ? true : false,
		'S_POLL_ACTION'		=> $viewtopic_url,

		// www.phpBB-SEO.com SEO TOOLKIT BEGIN
		'U_VIEW_RESULTS'	=> append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;view=viewpoll") )
		// www.phpBB-SEO.com SEO TOOLKIT END
	);

	unset($poll_end, $poll_info, $voted_id);
}

// If the user is trying to reach the second half of the topic, fetch it starting from the end
$store_reverse = false;
$sql_limit = $config['posts_per_page'];
$sql_sort_order = $direction = '';

if ($start > $total_posts / 2)
{
	$store_reverse = true;

	if ($start + $config['posts_per_page'] > $total_posts)
	{
		$sql_limit = min($config['posts_per_page'], max(1, $total_posts - $start));
	}

	// Select the sort order
	$direction = (($sort_dir == 'd') ? 'ASC' : 'DESC');
	$sql_start = max(0, $total_posts - $sql_limit - $start);
}
else
{
	// Select the sort order
	$direction = (($sort_dir == 'd') ? 'DESC' : 'ASC');
	$sql_start = $start;
}

if (is_array($sort_by_sql[$sort_key]))
{
	$sql_sort_order = implode(' ' . $direction . ', ', $sort_by_sql[$sort_key]) . ' ' . $direction;
}
else
{
	$sql_sort_order = $sort_by_sql[$sort_key] . ' ' . $direction;
}

// Container for user details, only process once
$post_list = $user_cache = $id_cache = $attachments = $attach_list = $rowset = $update_count = $post_edit_list = array();
$has_attachments = $display_notice = false;
$bbcode_bitfield = '';
$i = $i_total = 0;

// Go ahead and pull all data for this topic
$sql = 'SELECT p.post_id
	FROM ' . POSTS_TABLE . ' p' . (($join_user_sql[$sort_key]) ? ', ' . USERS_TABLE . ' u': '') . "
	WHERE p.topic_id = $topic_id
		" . ((!$auth->acl_get('m_approve', $forum_id)) ? 'AND p.post_approved = 1' : '') . "
		" . (($join_user_sql[$sort_key]) ? 'AND u.user_id = p.poster_id': '') . "
		$limit_posts_time
	ORDER BY $sql_sort_order";
$result = $db->sql_query_limit($sql, $sql_limit, $sql_start);

$i = ($store_reverse) ? $sql_limit - 1 : 0;
while ($row = $db->sql_fetchrow($result))
{
	$post_list[$i] = (int) $row['post_id'];
	($store_reverse) ? $i-- : $i++;
}
$db->sql_freeresult($result);


//-- mod: Prime Trash Bin (Topics) ------------------------------------------//
// Make it so no posts will show up if the topic has been deleted and
// the user doesn't have the permissions to view the deleted content.
if ($topic_deleted)
{
	if (!auth_fake_delete('list', $forum_id)) // User can't view placeholder, so display "No Topic"
	{
		$post_list = array();
	}
	else if (!auth_fake_delete('view', $forum_id)) // User can view placeholder, but not the deleted posts
	{
		$post_list = array(0); //Needs an element or a "No Topic" message will be displayed
	}
}
//-- end: Prime Trash Bin (Topics) ------------------------------------------//
if (!sizeof($post_list))
{
	if ($sort_days)
	{
		trigger_error('NO_POSTS_TIME_FRAME');
	}
	else
	{
		trigger_error('NO_TOPIC');
	}
}

// Holding maximum post time for marking topic read
// We need to grab it because we do reverse ordering sometimes
$max_post_time = 0;
//-- mod: Prime Post Revisions ----------------------------------------------//
include($phpbb_root_path . 'includes/prime_post_revisions.' . $phpEx);
$prime_post_revisions = new prime_post_revisions($post_list, $forum_id, $topic_id, $post_id);
//-- end: Prime Post Revisions ----------------------------------------------//

$sql = $db->sql_build_query('SELECT', array(
	'SELECT'	=> 'u.*, z.friend, z.foe, p.*',

	'FROM'		=> array(
		USERS_TABLE		=> 'u',
		POSTS_TABLE		=> 'p',
	),

	'LEFT_JOIN'	=> array(
		array(
			'FROM'	=> array(ZEBRA_TABLE => 'z'),
			'ON'	=> 'z.user_id = ' . $user->data['user_id'] . ' AND z.zebra_id = p.poster_id'
		)
	),

	'WHERE'		=> $db->sql_in_set('p.post_id', $post_list) . '
		AND u.user_id = p.poster_id'
));

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

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


//-- mod: Prime Post Revisions ----------------------------------------------//
$prime_post_revisions->get_revision_info($post_list, $result, $viewtopic_url, $viewtopic_title);
//-- end: Prime Post Revisions ----------------------------------------------//
// Posts are stored in the $rowset array while $attach_list, $user_cache
// and the global bbcode_bitfield are built
while ($row = $db->sql_fetchrow($result))
{
//-- mod: Prime Trash Bin (Posts) -------------------------------------------//
// If the post has been deleted, we need to check if the user is allowed to view the placeholder.
	if (!empty($row['post_deleted_time']) && !auth_fake_delete('list', $forum_id))
	{
		continue;
	}
//-- end: Prime Trash Bin (Posts) -------------------------------------------//
//-- mod: Prime Post Revisions ----------------------------------------------//
	$prime_post_revisions->merge_revision_info($post_list, $result, $row);
//-- end: Prime Post Revisions ----------------------------------------------//
	// Set max_post_time
	if ($row['post_time'] > $max_post_time)
	{
		$max_post_time = $row['post_time'];
	}

	$poster_id = (int) $row['poster_id'];
	// www.phpBB-SEO.com SEO TOOLKIT BEGIN
	$phpbb_seo->set_user_url( $row['username'], $poster_id );
	// www.phpBB-SEO.com SEO TOOLKIT END
	// Does post have an attachment? If so, add it to the list
	if ($row['post_attachment'] && $config['allow_attachments'])
	{
		$attach_list[] = (int) $row['post_id'];

		if ($row['post_approved'])
		{
			$has_attachments = true;
		}
	}

	$rowset[$row['post_id']] = array(
		'hide_post'			=> ($row['foe'] && ($view != 'show' || $post_id != $row['post_id'])) ? true : false,

		'post_id'			=> $row['post_id'],
		'post_time'			=> $row['post_time'],
		'user_id'			=> $row['user_id'],
		'username'			=> $row['username'],
		'user_colour'		=> $row['user_colour'],
		'topic_id'			=> $row['topic_id'],
		'forum_id'			=> $row['forum_id'],
		'post_subject'		=> $row['post_subject'],
		'post_edit_count'	=> $row['post_edit_count'],
		'post_edit_time'	=> $row['post_edit_time'],
		'post_edit_reason'	=> $row['post_edit_reason'],
		'post_edit_user'	=> $row['post_edit_user'],
		'post_edit_locked'	=> $row['post_edit_locked'],

		// Make sure the icon actually exists
		'icon_id'			=> (isset($icons[$row['icon_id']]['img'], $icons[$row['icon_id']]['height'], $icons[$row['icon_id']]['width'])) ? $row['icon_id'] : 0,
		'post_attachment'	=> $row['post_attachment'],
		'post_approved'		=> $row['post_approved'],
		'post_reported'		=> $row['post_reported'],
		'post_username'		=> $row['post_username'],
		'post_text'			=> $row['post_text'],
		'bbcode_uid'		=> $row['bbcode_uid'],
		'bbcode_bitfield'	=> $row['bbcode_bitfield'],
		'enable_smilies'	=> $row['enable_smilies'],
		'enable_sig'		=> $row['enable_sig'],
		'friend'			=> $row['friend'],
		'foe'				=> $row['foe'],
	);


//-- mod: Prime Trash Bin (Posts) -------------------------------------------//
// This is where we make the deletion info available for when the script starts
// looping through each post to set the template variables. If we're viewing
// the post's revision history (another MOD), then don't hide the post's content.
	if (!empty($row['post_deleted_time']) && empty($display_history))
	{
		$rowset[$row['post_id']]['post_deleted_from']   = $row['post_deleted_from'];
		$rowset[$row['post_id']]['post_deleted_user']   = $row['post_deleted_user'];
		$rowset[$row['post_id']]['post_deleted_time']   = $row['post_deleted_time'];
		$rowset[$row['post_id']]['post_deleted_reason'] = censor_text($row['post_deleted_reason']);

		// We don't want to display any info about previous edits.
		$rowset[$row['post_id']]['post_edit_reason'] = '';
		$rowset[$row['post_id']]['post_edit_count']  = 0;
	}
//-- end: Prime Trash Bin (Posts) -------------------------------------------//
	// Define the global bbcode bitfield, will be used to load bbcodes
	$bbcode_bitfield = $bbcode_bitfield | base64_decode($row['bbcode_bitfield']);

	// Is a signature attached? Are we going to display it?
	if ($row['enable_sig'] && $config['allow_sig'] && $user->optionget('viewsigs'))
	{
		$bbcode_bitfield = $bbcode_bitfield | base64_decode($row['user_sig_bbcode_bitfield']);
	}

	// Cache various user specific data ... so we don't have to recompute
	// this each time the same user…