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    Current File : /home/m/e/h/meharicl/www/phpBB3/viewtopic.php

    <?php
    /**
    *
    * This file is part of the phpBB Forum Software package.
    *
    * @copyright (c) phpBB Limited <https://www.phpbb.com>
    * @license GNU General Public License, version 2 (GPL-2.0)
    *
    * For full copyright and license information, please see
    * the docs/CREDITS.txt file.
    *
    */
    
    /**
    * @ignore
    */
    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/bbcode.' . $phpEx);
    include($phpbb_root_path . 'includes/functions_user.' . $phpEx);
    
    // Start session management
    $user->session_begin();
    $auth->acl($user->data);
    
    // Initial var setup
    $forum_id	= $request->variable('f', 0);
    $topic_id	= $request->variable('t', 0);
    $post_id	= $request->variable('p', 0);
    $voted_id	= $request->variable('vote_id', array('' => 0));
    
    $voted_id = (count($voted_id) > 1) ? array_unique($voted_id) : $voted_id;
    
    
    $start		= $request->variable('start', 0);
    $view		= $request->variable('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->variable('st', $default_sort_days);
    $sort_key	= $request->variable('sk', $default_sort_key);
    $sort_dir	= $request->variable('sd', $default_sort_dir);
    
    $update		= $request->variable('update', false);
    
    /* @var $pagination \phpbb\pagination */
    $pagination = $phpbb_container->get('pagination');
    
    $s_can_vote = false;
    /**
    * @todo normalize?
    */
    $hilit_words	= $request->variable('hilit', '', true);
    
    // Do we have a topic or post id?
    if (!$topic_id && !$post_id)
    {
    	trigger_error('NO_TOPIC');
    }
    
    /* @var $phpbb_content_visibility \phpbb\content_visibility */
    $phpbb_content_visibility = $phpbb_container->get('content.visibility');
    
    // 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
    				AND " . $phpbb_content_visibility->get_visibility_sql('post', $forum_id) . "
    				AND post_time > $topic_last_read
    				AND forum_id = $forum_id
    			ORDER BY post_time ASC, post_id 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']}
    					AND " . $phpbb_content_visibility->get_visibility_sql('topic', $row['forum_id']) . "
    				ORDER BY topic_last_post_time $sql_ordering, topic_last_post_id $sql_ordering";
    			$result = $db->sql_query_limit($sql, 1);
    			$row = $db->sql_fetchrow($result);
    			$db->sql_freeresult($result);
    
    			if (!$row)
    			{
    				$sql = 'SELECT forum_style
    					FROM ' . FORUMS_TABLE . "
    					WHERE forum_id = $forum_id";
    				$result = $db->sql_query($sql);
    				$forum_style = (int) $db->sql_fetchfield('forum_style');
    				$db->sql_freeresult($result);
    
    				$user->setup('viewtopic', $forum_style);
    				trigger_error(($view == 'next') ? 'NO_NEWER_TOPICS' : 'NO_OLDER_TOPICS');
    			}
    			else
    			{
    				$topic_id = $row['topic_id'];
    				$forum_id = $row['forum_id'];
    			}
    		}
    	}
    
    	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'),
    );
    
    // The FROM-Order is quite important here, else t.* columns can not be correctly bound.
    if ($post_id)
    {
    	$sql_array['SELECT'] .= ', p.post_visibility, p.post_time, p.post_id';
    	$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';
    
    $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'];
    
    /**
     * Modify the forum ID to handle the correct display of viewtopic if needed
     *
     * @event core.viewtopic_modify_forum_id
     * @var string	forum_id		forum ID
     * @var array	topic_data		array of topic's data
     * @since 3.2.5-RC1
     */
    $vars = array(
    	'forum_id',
    	'topic_data',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_forum_id', compact($vars)));
    
    // If the request is missing the f parameter, the forum id in the user session data is 0 at the moment.
    // Let's fix that now so that the user can't hide from the forum's Who Is Online list.
    $user->page['forum'] = $forum_id;
    
    // Now we know the forum_id and can check the permissions
    if (!$phpbb_content_visibility->is_visible('topic', $forum_id, $topic_data))
    {
    	trigger_error('NO_TOPIC');
    }
    
    // This is for determining where we are (page)
    if ($post_id)
    {
    	// are we where we are supposed to be?
    	if (($topic_data['post_visibility'] == ITEM_UNAPPROVED || $topic_data['post_visibility'] == ITEM_REAPPROVE) && !$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'] = $phpbb_content_visibility->get_count('topic_posts', $topic_data, $forum_id) - 1;
    		}
    		else
    		{
    			$topic_data['prev_posts'] = 0;
    		}
    	}
    	else
    	{
    		$sql = 'SELECT COUNT(p.post_id) AS prev_posts
    			FROM ' . POSTS_TABLE . " p
    			WHERE p.topic_id = {$topic_data['topic_id']}
    				AND " . $phpbb_content_visibility->get_visibility_sql('post', $forum_id, 'p.');
    
    		if ($sort_dir == 'd')
    		{
    			$sql .= " AND (p.post_time > {$topic_data['post_time']} OR (p.post_time = {$topic_data['post_time']} AND p.post_id >= {$topic_data['post_id']}))";
    		}
    		else
    		{
    			$sql .= " AND (p.post_time < {$topic_data['post_time']} OR (p.post_time = {$topic_data['post_time']} AND p.post_id <= {$topic_data['post_id']}))";
    		}
    
    		$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'];
    $topic_replies = $phpbb_content_visibility->get_count('topic_posts', $topic_data, $forum_id) - 1;
    
    // Check sticky/announcement/global  time limit
    if (($topic_data['topic_type'] != POST_NORMAL) && $topic_data['topic_time_limit'] && ($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 ($view == 'print' && !$auth->acl_get('f_print', $forum_id))
    {
    	send_status_line(403, 'Forbidden');
    	trigger_error('NO_AUTH_PRINT_TOPIC');
    }
    
    $overrides_f_read_check = false;
    $overrides_forum_password_check = false;
    $topic_tracking_info = isset($topic_tracking_info) ? $topic_tracking_info : null;
    
    /**
    * Event to apply extra permissions and to override original phpBB's f_read permission and forum password check
    * on viewtopic access
    *
    * @event core.viewtopic_before_f_read_check
    * @var	int		forum_id						The forum id from where the topic belongs
    * @var	int		topic_id						The id of the topic the user tries to access
    * @var	int		post_id							The id of the post the user tries to start viewing at.
    *												It may be 0 for none given.
    * @var	array	topic_data						All the information from the topic and forum tables for this topic
    * 												It includes posts information if post_id is not 0
    * @var	bool	overrides_f_read_check			Set true to remove f_read check afterwards
    * @var	bool	overrides_forum_password_check	Set true to remove forum_password check afterwards
    * @var	array	topic_tracking_info				Information upon calling get_topic_tracking()
    *												Set it to NULL to allow auto-filling later.
    *												Set it to an array to override original data.
    * @since 3.1.3-RC1
    */
    $vars = array(
    	'forum_id',
    	'topic_id',
    	'post_id',
    	'topic_data',
    	'overrides_f_read_check',
    	'overrides_forum_password_check',
    	'topic_tracking_info',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_before_f_read_check', compact($vars)));
    
    // Start auth check
    if (!$overrides_f_read_check && !$auth->acl_get('f_read', $forum_id))
    {
    	if ($user->data['user_id'] != ANONYMOUS)
    	{
    		send_status_line(403, 'Forbidden');
    		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 (!$overrides_forum_password_check && $topic_data['forum_password'])
    {
    	login_forum_box($topic_data);
    }
    
    // Redirect to login upon emailed notification links if user is not logged in.
    if (isset($_GET['e']) && $user->data['user_id'] == ANONYMOUS)
    {
    	login_box(build_url('e') . '#unread', $user->lang['LOGIN_NOTIFY_TOPIC']);
    }
    
    // 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' => array('p.post_time', 'p.post_id'), '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 = '';
    
    /**
    * Event to add new sorting options
    *
    * @event core.viewtopic_gen_sort_selects_before
    * @var	array	limit_days		Limit results by time
    * @var	array	sort_by_text	Language strings for sorting options
    * @var	array	sort_by_sql		SQL conditions for sorting options
    * @var	array	join_user_sql	SQL joins required for sorting options
    * @var	int		sort_days		User selected sort days
    * @var	string	sort_key		User selected sort key
    * @var	string	sort_dir		User selected sort direction
    * @var	string	s_limit_days	Initial value of limit days selectbox
    * @var	string	s_sort_key		Initial value of sort key selectbox
    * @var	string	s_sort_dir		Initial value of sort direction selectbox
    * @var	string	u_sort_param	Initial value of sorting form action
    * @since 3.2.8-RC1
    */
    $vars = array(
    	'limit_days',
    	'sort_by_text',
    	'sort_by_sql',
    	'join_user_sql',
    	'sort_days',
    	'sort_key',
    	'sort_dir',
    	's_limit_days',
    	's_sort_key',
    	's_sort_dir',
    	'u_sort_param',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_gen_sort_selects_before', compact($vars)));
    
    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
    				AND " . $phpbb_content_visibility->get_visibility_sql('post', $forum_id);
    	$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)
    {
    	$highlight_match = phpbb_clean_search_string($hilit_words);
    	$highlight = urlencode($highlight_match);
    	$highlight_match = str_replace('\*', '\w+?', preg_quote($highlight_match, '#'));
    	$highlight_match = preg_replace('#(?<=^|\s)\\\\w\*\?(?=\s|$)#', '\w+?', $highlight_match);
    	$highlight_match = str_replace(' ', '|', $highlight_match);
    }
    
    // Make sure $start is set to the last page if it exceeds the amount
    $start = $pagination->validate_start($start, $config['posts_per_page'], $total_posts);
    
    // 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'			=> '',
    	'link_toggle'	=> '',
    	'title'			=> '',
    	'title_toggle'	=> '',
    	'is_watching'	=> false,
    );
    
    if ($config['allow_topic_notify'])
    {
    	$notify_status = (isset($topic_data['notify_status'])) ? $topic_data['notify_status'] : null;
    	watch_topic_forum('topic', $s_watching_topic, $user->data['user_id'], $forum_id, $topic_id, $notify_status, $start, $topic_data['topic_title']);
    
    	// 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);
    	}
    }
    
    /**
    * Event to modify highlight.
    *
    * @event core.viewtopic_highlight_modify
    * @var	string	highlight			String to be highlighted
    * @var	string	highlight_match		Highlight string to be used in preg_replace
    * @var	array	topic_data			Topic data
    * @var	int		start				Pagination start
    * @var	int		total_posts			Number of posts
    * @var	string	viewtopic_url		Current viewtopic URL
    * @since 3.1.11-RC1
    */
    $vars = array(
    	'highlight',
    	'highlight_match',
    	'topic_data',
    	'start',
    	'total_posts',
    	'viewtopic_url',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_highlight_modify', compact($vars)));
    
    // Bookmarks
    if ($config['allow_bookmarks'] && $user->data['is_registered'] && $request->variable('bookmark', 0))
    {
    	if (check_link_hash($request->variable('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']);
    
    		if (!$request->is_ajax())
    		{
    			$message .= '<br /><br />' . $user->lang('RETURN_TOPIC', '<a href="' . $viewtopic_url . '">', '</a>');
    		}
    	}
    	else
    	{
    		$message = $user->lang['BOOKMARK_ERR'];
    
    		if (!$request->is_ajax())
    		{
    			$message .= '<br /><br />' . $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;
    
    $s_quickmod_action = append_sid(
    	"{$phpbb_root_path}mcp.$phpEx",
    	array(
    		'f'	=> $forum_id,
    		't'	=> $topic_id,
    		'start'		=> $start,
    		'quickmod'	=> 1,
    		'redirect'	=> urlencode(str_replace('&amp;', '&', $viewtopic_url)),
    	),
    	true,
    	$user->session_id
    );
    
    $quickmod_array = array(
    //	'key'			=> array('LANG_KEY', $userHasPermissions),
    
    	'lock'					=> array('LOCK_TOPIC', ($topic_data['topic_status'] == ITEM_UNLOCKED) && ($auth->acl_get('m_lock', $forum_id) || ($auth->acl_get('f_user_lock', $forum_id) && $user->data['is_registered'] && $user->data['user_id'] == $topic_data['topic_poster']))),
    	'unlock'				=> array('UNLOCK_TOPIC', ($topic_data['topic_status'] != ITEM_UNLOCKED) && ($auth->acl_get('m_lock', $forum_id))),
    	'delete_topic'		=> array('DELETE_TOPIC', ($auth->acl_get('m_delete', $forum_id) || (($topic_data['topic_visibility'] != ITEM_DELETED) && $auth->acl_get('m_softdelete', $forum_id)))),
    	'restore_topic'		=> array('RESTORE_TOPIC', (($topic_data['topic_visibility'] == ITEM_DELETED) && $auth->acl_get('m_approve', $forum_id))),
    	'move'					=> array('MOVE_TOPIC', $auth->acl_get('m_move', $forum_id) && $topic_data['topic_status'] != ITEM_MOVED),
    	'split'					=> array('SPLIT_TOPIC', $auth->acl_get('m_split', $forum_id)),
    	'merge'					=> array('MERGE_POSTS', $auth->acl_get('m_merge', $forum_id)),
    	'merge_topic'		=> array('MERGE_TOPIC', $auth->acl_get('m_merge', $forum_id)),
    	'fork'					=> array('FORK_TOPIC', $auth->acl_get('m_move', $forum_id)),
    	'make_normal'		=> array('MAKE_NORMAL', ($allow_change_type && $auth->acl_gets('f_sticky', 'f_announce', 'f_announce_global', $forum_id) && $topic_data['topic_type'] != POST_NORMAL)),
    	'make_sticky'		=> array('MAKE_STICKY', ($allow_change_type && $auth->acl_get('f_sticky', $forum_id) && $topic_data['topic_type'] != POST_STICKY)),
    	'make_announce'	=> array('MAKE_ANNOUNCE', ($allow_change_type && $auth->acl_get('f_announce', $forum_id) && $topic_data['topic_type'] != POST_ANNOUNCE)),
    	'make_global'		=> array('MAKE_GLOBAL', ($allow_change_type && $auth->acl_get('f_announce_global', $forum_id) && $topic_data['topic_type'] != POST_GLOBAL)),
    	'topic_logs'			=> array('VIEW_TOPIC_LOGS', $auth->acl_get('m_', $forum_id)),
    );
    
    /**
    * Event to modify data in the quickmod_array before it gets sent to the
    * phpbb_add_quickmod_option function.
    *
    * @event core.viewtopic_add_quickmod_option_before
    * @var	int				forum_id				Forum ID
    * @var	int				post_id					Post ID
    * @var	array			quickmod_array			Array with quick moderation options data
    * @var	array			topic_data				Array with topic data
    * @var	int				topic_id				Topic ID
    * @var	array			topic_tracking_info		Array with topic tracking data
    * @var	string			viewtopic_url			URL to the topic page
    * @var	bool			allow_change_type		Topic change permissions check
    * @since 3.1.9-RC1
    */
    $vars = array(
    	'forum_id',
    	'post_id',
    	'quickmod_array',
    	'topic_data',
    	'topic_id',
    	'topic_tracking_info',
    	'viewtopic_url',
    	'allow_change_type',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_add_quickmod_option_before', compact($vars)));
    
    foreach ($quickmod_array as $option => $qm_ary)
    {
    	if (!empty($qm_ary[1]))
    	{
    		phpbb_add_quickmod_option($s_quickmod_action, $option, $qm_ary[0]);
    	}
    }
    
    // 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;
    }
    
    if (!empty($_EXTRA_URL))
    {
    	foreach ($_EXTRA_URL as $url_param)
    	{
    		$url_param = explode('=', $url_param, 2);
    		$s_search_hidden_fields[$url_param[0]] = $url_param[1];
    	}
    }
    
    // If we've got a hightlight set pass it on to pagination.
    $base_url = append_sid("{$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" : ''));
    
    /**
    * Event to modify data before template variables are being assigned
    *
    * @event core.viewtopic_assign_template_vars_before
    * @var	string	base_url			URL to be passed to generate pagination
    * @var	int		forum_id			Forum ID
    * @var	int		post_id				Post ID
    * @var	array	quickmod_array		Array with quick moderation options data
    * @var	int		start				Pagination information
    * @var	array	topic_data			Array with topic data
    * @var	int		topic_id			Topic ID
    * @var	array	topic_tracking_info	Array with topic tracking data
    * @var	int		total_posts			Topic total posts count
    * @var	string	viewtopic_url		URL to the topic page
    * @since 3.1.0-RC4
    * @changed 3.1.2-RC1 Added viewtopic_url
    */
    $vars = array(
    	'base_url',
    	'forum_id',
    	'post_id',
    	'quickmod_array',
    	'start',
    	'topic_data',
    	'topic_id',
    	'topic_tracking_info',
    	'total_posts',
    	'viewtopic_url',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_assign_template_vars_before', compact($vars)));
    
    $pagination->generate_template_pagination($base_url, 'pagination', 'start', $total_posts, $config['posts_per_page'], $start);
    
    // 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']),
    
    	'TOTAL_POSTS'	=> $user->lang('VIEW_TOPIC_POSTS', (int) $total_posts),
    	'U_MCP' 		=> ($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[$forum_id]) && count($forum_moderators[$forum_id])) ? implode($user->lang['COMMA_SEPARATOR'], $forum_moderators[$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'),
    	'DELETED_IMG'		=> $user->img('icon_topic_deleted', 'POST_DELETED_RESTORE'),
    	'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'),
    	'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[$forum_id]) && count($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_MOD_ACTION' 			=> $s_quickmod_action,
    
    	'L_RETURN_TO_FORUM'		=> $user->lang('RETURN_TO', $topic_data['forum_name']),
    	'S_VIEWTOPIC'			=> true,
    	'S_UNREAD_VIEW'			=> $view == 'unread',
    	'S_DISPLAY_SEARCHBOX'	=> ($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,
    
    	'U_TOPIC'				=> "{$server_path}viewtopic.$phpEx?f=$forum_id&amp;t=$topic_id",
    	'U_FORUM'				=> $server_path,
    	'U_VIEW_TOPIC' 			=> append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start") . (strlen($u_sort_param) ? "&amp;$u_sort_param" : '')),
    	'U_CANONICAL'			=> generate_board_url() . '/' . append_sid("viewtopic.$phpEx", "t=$topic_id" . (($start) ? "&amp;start=$start" : ''), true, ''),
    	'U_VIEW_FORUM' 			=> append_sid("{$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=$topic_id&amp;view=next"),
    	'U_PRINT_TOPIC'			=> ($auth->acl_get('f_print', $forum_id)) ? $viewtopic_url . '&amp;view=print' : '',
    	'U_EMAIL_TOPIC'			=> ($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'],
    	'U_WATCH_TOPIC_TOGGLE'	=> $s_watching_topic['link_toggle'],
    	'S_WATCH_TOPIC_TITLE'	=> $s_watching_topic['title'],
    	'S_WATCH_TOPIC_TOGGLE'	=> $s_watching_topic['title_toggle'],
    	'S_WATCHING_TOPIC'		=> $s_watching_topic['is_watching'],
    
    	'U_BOOKMARK_TOPIC'		=> ($user->data['is_registered'] && $config['allow_bookmarks']) ? $viewtopic_url . '&amp;bookmark=1&amp;hash=' . generate_link_hash("topic_$topic_id") : '',
    	'S_BOOKMARK_TOPIC'		=> ($user->data['is_registered'] && $config['allow_bookmarks'] && $topic_data['bookmarked']) ? $user->lang['BOOKMARK_TOPIC_REMOVE'] : $user->lang['BOOKMARK_TOPIC'],
    	'S_BOOKMARK_TOGGLE'		=> (!$user->data['is_registered'] || !$config['allow_bookmarks'] || !$topic_data['bookmarked']) ? $user->lang['BOOKMARK_TOPIC_REMOVE'] : $user->lang['BOOKMARK_TOPIC'],
    	'S_BOOKMARKED_TOPIC'	=> ($user->data['is_registered'] && $config['allow_bookmarks'] && $topic_data['bookmarked']) ? true : false,
    
    	'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 = $vote_counts = array();
    	while ($row = $db->sql_fetchrow($result))
    	{
    		$poll_info[] = $row;
    		$option_id = (int) $row['poll_option_id'];
    		$vote_counts[$option_id] = (int) $row['poll_option_total'];
    	}
    	$db->sql_freeresult($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 ($request->is_set($config['cookie_name'] . '_poll_' . $topic_id, \phpbb\request\request_interface::COOKIE))
    		{
    			$cur_voted_id = explode(',', $request->variable($config['cookie_name'] . '_poll_' . $topic_id, '', true, \phpbb\request\request_interface::COOKIE));
    			$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 &&
    		$topic_data['forum_status'] != ITEM_LOCKED &&
    		(!count($cur_voted_id) ||
    		($auth->acl_get('f_votechg', $forum_id) && $topic_data['poll_vote_change']))) ? true : false;
    	$s_display_results = (!$s_can_vote || ($s_can_vote && count($cur_voted_id)) || $view == 'viewpoll') ? true : false;
    
    	/**
    	* Event to manipulate the poll data
    	*
    	* @event core.viewtopic_modify_poll_data
    	* @var	array	cur_voted_id				Array with options' IDs current user has voted for
    	* @var	int		forum_id					The topic's forum id
    	* @var	array	poll_info					Array with the poll information
    	* @var	bool	s_can_vote					Flag indicating if a user can vote
    	* @var	bool	s_display_results			Flag indicating if results or poll options should be displayed
    	* @var	int		topic_id					The id of the topic the user tries to access
    	* @var	array	topic_data					All the information from the topic and forum tables for this topic
    	* @var	string	viewtopic_url				URL to the topic page
    	* @var	array	vote_counts					Array with the vote counts for every poll option
    	* @var	array	voted_id					Array with updated options' IDs current user is voting for
    	* @since 3.1.5-RC1
    	*/
    	$vars = array(
    		'cur_voted_id',
    		'forum_id',
    		'poll_info',
    		's_can_vote',
    		's_display_results',
    		'topic_id',
    		'topic_data',
    		'viewtopic_url',
    		'vote_counts',
    		'voted_id',
    	);
    	extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_poll_data', compact($vars)));
    
    	if ($update && $s_can_vote)
    	{
    
    		if (!count($voted_id) || count($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, $redirect_url);
    			if (!count($voted_id))
    			{
    				$message = 'NO_VOTE_OPTION';
    			}
    			else if (count($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);
    
    			$vote_counts[$option]++;
    
    			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);
    
    				$vote_counts[$option]--;
    
    				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"));
    		$message = $user->lang['VOTE_SUBMITTED'] . '<br /><br />' . sprintf($user->lang['RETURN_TOPIC'], '<a href="' . $redirect_url . '">', '</a>');
    
    		if ($request->is_ajax())
    		{
    			// Filter out invalid options
    			$valid_user_votes = array_intersect(array_keys($vote_counts), $voted_id);
    
    			$data = array(
    				'NO_VOTES'			=> $user->lang['NO_VOTES'],
    				'success'			=> true,
    				'user_votes'		=> array_flip($valid_user_votes),
    				'vote_counts'		=> $vote_counts,
    				'total_votes'		=> array_sum($vote_counts),
    				'can_vote'			=> !count($valid_user_votes) || ($auth->acl_get('f_votechg', $forum_id) && $topic_data['poll_vote_change']),
    			);
    
    			/**
    			* Event to manipulate the poll data sent by AJAX response
    			*
    			* @event core.viewtopic_modify_poll_ajax_data
    			* @var	array	data				JSON response data
    			* @var	array	valid_user_votes	Valid user votes
    			* @var	array	vote_counts			Vote counts
    			* @var	int		forum_id			Forum ID
    			* @var	array	topic_data			Topic data
    			* @var	array	poll_info			Array with the poll information
    			* @since 3.2.4-RC1
    			*/
    			$vars = array(
    				'data',
    				'valid_user_votes',
    				'vote_counts',
    				'forum_id',
    				'topic_data',
    				'poll_info',
    			);
    			extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_poll_ajax_data', compact($vars)));
    
    			$json_response = new \phpbb\json_response();
    			$json_response->send($data);
    		}
    
    		meta_refresh(5, $redirect_url);
    		trigger_error($message);
    	}
    
    	$poll_total = 0;
    	$poll_most = 0;
    	foreach ($poll_info as $poll_option)
    	{
    		$poll_total += $poll_option['poll_option_total'];
    		$poll_most = ($poll_option['poll_option_total'] >= $poll_most) ? $poll_option['poll_option_total'] : $poll_most;
    	}
    
    	$parse_flags = ($poll_info[0]['bbcode_bitfield'] ? OPTION_FLAG_BBCODE : 0) | OPTION_FLAG_SMILIES;
    
    	for ($i = 0, $size = count($poll_info); $i < $size; $i++)
    	{
    		$poll_info[$i]['poll_option_text'] = generate_text_for_display($poll_info[$i]['poll_option_text'], $poll_info[$i]['bbcode_uid'], $poll_option['bbcode_bitfield'], $parse_flags, true);
    	}
    
    	$topic_data['poll_title'] = generate_text_for_display($topic_data['poll_title'], $poll_info[0]['bbcode_uid'], $poll_info[0]['bbcode_bitfield'], $parse_flags, true);
    
    	$poll_template_data = $poll_options_template_data = array();
    	foreach ($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));
    		$option_pct_rel = ($poll_most > 0) ? $poll_option['poll_option_total'] / $poll_most : 0;
    		$option_pct_rel_txt = sprintf("%.1d%%", round($option_pct_rel * 100));
    		$option_most_votes = ($poll_option['poll_option_total'] > 0 && $poll_option['poll_option_total'] == $poll_most) ? true : false;
    
    		$poll_options_template_data[] = 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_PERCENT_REL' 	=> $option_pct_rel_txt,
    			'POLL_OPTION_PCT'			=> round($option_pct * 100),
    			'POLL_OPTION_WIDTH'     	=> round($option_pct * 250),
    			'POLL_OPTION_VOTED'			=> (in_array($poll_option['poll_option_id'], $cur_voted_id)) ? true : false,
    			'POLL_OPTION_MOST_VOTES'	=> $option_most_votes,
    		);
    	}
    
    	$poll_end = $topic_data['poll_length'] + $topic_data['poll_start'];
    
    	$poll_template_data = 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'		=> $user->lang('MAX_OPTIONS_SELECT', (int) $topic_data['poll_max_options']),
    		'L_POLL_LENGTH'		=> ($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,
    
    		'U_VIEW_RESULTS'	=> $viewtopic_url . '&amp;view=viewpoll',
    	);
    
    	/**
    	* Event to add/modify poll template data
    	*
    	* @event core.viewtopic_modify_poll_template_data
    	* @var	array	cur_voted_id					Array with options' IDs current user has voted for
    	* @var	int		poll_end						The poll end time
    	* @var	array	poll_info						Array with the poll information
    	* @var	array	poll_options_template_data		Array with the poll options template data
    	* @var	array	poll_template_data				Array with the common poll template data
    	* @var	int		poll_total						Total poll votes count
    	* @var	int		poll_most						Mostly voted option votes count
    	* @var	array	topic_data						All the information from the topic and forum tables for this topic
    	* @var	string	viewtopic_url					URL to the topic page
    	* @var	array	vote_counts						Array with the vote counts for every poll option
    	* @var	array	voted_id						Array with updated options' IDs current user is voting for
    	* @since 3.1.5-RC1
    	*/
    	$vars = array(
    		'cur_voted_id',
    		'poll_end',
    		'poll_info',
    		'poll_options_template_data',
    		'poll_template_data',
    		'poll_total',
    		'poll_most',
    		'topic_data',
    		'viewtopic_url',
    		'vote_counts',
    		'voted_id',
    	);
    	extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_poll_template_data', compact($vars)));
    
    	$template->assign_block_vars_array('poll_option', $poll_options_template_data);
    
    	$template->assign_vars($poll_template_data);
    
    	unset($poll_end, $poll_info, $poll_options_template_data, $poll_template_data, $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;
    
    	// Select the sort order
    	$direction = (($sort_dir == 'd') ? 'ASC' : 'DESC');
    
    	$sql_limit = $pagination->reverse_limit($start, $sql_limit, $total_posts);
    	$sql_start = $pagination->reverse_start($start, $sql_limit, $total_posts);
    }
    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 = $post_delete_list = array();
    $has_unapproved_attachments = $has_approved_attachments = $display_notice = false;
    $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
    		AND " . $phpbb_content_visibility->get_visibility_sql('post', $forum_id, 'p.') . "
    		" . (($join_user_sql[$sort_key]) ? 'AND u.user_id = p.poster_id': '') . "
    		$limit_posts_time
    	ORDER BY $sql_sort_order";
    
    /**
    * Event to modify the SQL query that gets post_list
    *
    * @event core.viewtopic_modify_post_list_sql
    * @var	string	sql			The SQL query to generate the post_list
    * @var	int		sql_limit	The number of posts the query fetches
    * @var	int		sql_start	The index the query starts to fetch from
    * @var	string	sort_key	Key the posts are sorted by
    * @var	string	sort_days	Display posts of previous x days
    * @var	int		forum_id	Forum ID
    * @since 3.2.4-RC1
    */
    $vars = array(
    	'sql',
    	'sql_limit',
    	'sql_start',
    	'sort_key',
    	'sort_days',
    	'forum_id',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_post_list_sql', compact($vars)));
    
    $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);
    
    if (!count($post_list))
    {
    	if ($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;
    
    $sql_ary = 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',
    );
    
    /**
    * Event to modify the SQL query before the post and poster data is retrieved
    *
    * @event core.viewtopic_get_post_data
    * @var	int		forum_id	Forum ID
    * @var	int		topic_id	Topic ID
    * @var	array	topic_data	Array with topic data
    * @var	array	post_list	Array with post_ids we are going to retrieve
    * @var	int		sort_days	Display posts of previous x days
    * @var	string	sort_key	Key the posts are sorted by
    * @var	string	sort_dir	Direction the posts are sorted by
    * @var	int		start		Pagination information
    * @var	array	sql_ary		The SQL array to get the data of posts and posters
    * @since 3.1.0-a1
    * @changed 3.1.0-a2 Added vars forum_id, topic_id, topic_data, post_list, sort_days, sort_key, sort_dir, start
    */
    $vars = array(
    	'forum_id',
    	'topic_id',
    	'topic_data',
    	'post_list',
    	'sort_days',
    	'sort_key',
    	'sort_dir',
    	'start',
    	'sql_ary',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_get_post_data', compact($vars)));
    
    $sql = $db->sql_build_query('SELECT', $sql_ary);
    $result = $db->sql_query($sql);
    
    $now = $user->create_datetime();
    $now = phpbb_gmgetdate($now->getTimestamp() + $now->getOffset());
    
    // 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))
    {
    	// Set max_post_time
    	if ($row['post_time'] > $max_post_time)
    	{
    		$max_post_time = $row['post_time'];
    	}
    
    	$poster_id = (int) $row['poster_id'];
    
    	// 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_visibility'] == ITEM_UNAPPROVED || $row['post_visibility'] == ITEM_REAPPROVE)
    		{
    			$has_unapproved_attachments = true;
    		}
    		else if ($row['post_visibility'] == ITEM_APPROVED)
    		{
    			$has_approved_attachments = true;
    		}
    	}
    
    	$rowset_data = array(
    		'hide_post'			=> (($row['foe'] || $row['post_visibility'] == ITEM_DELETED) && ($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'],
    		'post_delete_time'	=> $row['post_delete_time'],
    		'post_delete_reason'=> $row['post_delete_reason'],
    		'post_delete_user'	=> $row['post_delete_user'],
    
    		// 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_visibility'	=> $row['post_visibility'],
    		'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'],
    	);
    
    	/**
    	* Modify the post rowset containing data to be displayed with posts
    	*
    	* @event core.viewtopic_post_rowset_data
    	* @var	array	rowset_data	Array with the rowset data for this post
    	* @var	array	row			Array with original user and post data
    	* @since 3.1.0-a1
    	*/
    	$vars = array('rowset_data', 'row');
    	extract($phpbb_dispatcher->trigger_event('core.viewtopic_post_rowset_data', compact($vars)));
    
    	$rowset[$row['post_id']] = $rowset_data;
    
    	// Cache various user specific data ... so we don't have to recompute
    	// this each time the same user appears on this page
    	if (!isset($user_cache[$poster_id]))
    	{
    		if ($poster_id == ANONYMOUS)
    		{
    			$user_cache_data = array(
    				'user_type'		=> USER_IGNORE,
    				'joined'		=> '',
    				'posts'			=> '',
    
    				'sig'					=> '',
    				'sig_bbcode_uid'		=> '',
    				'sig_bbcode_bitfield'	=> '',
    
    				'online'			=> false,
    				'avatar'			=> ($user->optionget('viewavatars')) ? phpbb_get_user_avatar($row) : '',
    				'rank_title'		=> '',
    				'rank_image'		=> '',
    				'rank_image_src'	=> '',
    				'pm'				=> '',
    				'email'				=> '',
    				'jabber'			=> '',
    				'search'			=> '',
    				'age'				=> '',
    
    				'username'			=> $row['username'],
    				'user_colour'		=> $row['user_colour'],
    				'contact_user'		=> '',
    
    				'warnings'			=> 0,
    				'allow_pm'			=> 0,
    			);
    
    			/**
    			* Modify the guest user's data displayed with the posts
    			*
    			* @event core.viewtopic_cache_guest_data
    			* @var	array	user_cache_data	Array with the user's data
    			* @var	int		poster_id		Poster's user id
    			* @var	array	row				Array with original user and post data
    			* @since 3.1.0-a1
    			*/
    			$vars = array('user_cache_data', 'poster_id', 'row');
    			extract($phpbb_dispatcher->trigger_event('core.viewtopic_cache_guest_data', compact($vars)));
    
    			$user_cache[$poster_id] = $user_cache_data;
    
    			$user_rank_data = phpbb_get_user_rank($row, false);
    			$user_cache[$poster_id]['rank_title'] = $user_rank_data['title'];
    			$user_cache[$poster_id]['rank_image'] = $user_rank_data['img'];
    			$user_cache[$poster_id]['rank_image_src'] = $user_rank_data['img_src'];
    		}
    		else
    		{
    			$user_sig = '';
    
    			// We add the signature to every posters entry because enable_sig is post dependent
    			if ($row['user_sig'] && $config['allow_sig'] && $user->optionget('viewsigs'))
    			{
    				$user_sig = $row['user_sig'];
    			}
    
    			$id_cache[] = $poster_id;
    
    			$user_cache_data = array(
    				'user_type'					=> $row['user_type'],
    				'user_inactive_reason'		=> $row['user_inactive_reason'],
    
    				'joined'		=> $user->format_date($row['user_regdate']),
    				'posts'			=> $row['user_posts'],
    				'warnings'		=> (isset($row['user_warnings'])) ? $row['user_warnings'] : 0,
    
    				'sig'					=> $user_sig,
    				'sig_bbcode_uid'		=> (!empty($row['user_sig_bbcode_uid'])) ? $row['user_sig_bbcode_uid'] : '',
    				'sig_bbcode_bitfield'	=> (!empty($row['user_sig_bbcode_bitfield'])) ? $row['user_sig_bbcode_bitfield'] : '',
    
    				'viewonline'	=> $row['user_allow_viewonline'],
    				'allow_pm'		=> $row['user_allow_pm'],
    
    				'avatar'		=> ($user->optionget('viewavatars')) ? phpbb_get_user_avatar($row) : '',
    				'age'			=> '',
    
    				'rank_title'		=> '',
    				'rank_image'		=> '',
    				'rank_image_src'	=> '',
    
    				'username'			=> $row['username'],
    				'user_colour'		=> $row['user_colour'],
    				'contact_user' 		=> $user->lang('CONTACT_USER', get_username_string('username', $poster_id, $row['username'], $row['user_colour'], $row['username'])),
    
    				'online'		=> false,
    				'jabber'		=> ($config['jab_enable'] && $row['user_jabber'] && $auth->acl_get('u_sendim')) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", "mode=contact&amp;action=jabber&amp;u=$poster_id") : '',
    				'search'		=> ($config['load_search'] && $auth->acl_get('u_search')) ? append_sid("{$phpbb_root_path}search.$phpEx", "author_id=$poster_id&amp;sr=posts") : '',
    
    				'author_full'		=> get_username_string('full', $poster_id, $row['username'], $row['user_colour']),
    				'author_colour'		=> get_username_string('colour', $poster_id, $row['username'], $row['user_colour']),
    				'author_username'	=> get_username_string('username', $poster_id, $row['username'], $row['user_colour']),
    				'author_profile'	=> get_username_string('profile', $poster_id, $row['username'], $row['user_colour']),
    			);
    
    			/**
    			* Modify the users' data displayed with their posts
    			*
    			* @event core.viewtopic_cache_user_data
    			* @var	array	user_cache_data	Array with the user's data
    			* @var	int		poster_id		Poster's user id
    			* @var	array	row				Array with original user and post data
    			* @since 3.1.0-a1
    			*/
    			$vars = array('user_cache_data', 'poster_id', 'row');
    			extract($phpbb_dispatcher->trigger_event('core.viewtopic_cache_user_data', compact($vars)));
    
    			$user_cache[$poster_id] = $user_cache_data;
    
    			$user_rank_data = phpbb_get_user_rank($row, $row['user_posts']);
    			$user_cache[$poster_id]['rank_title'] = $user_rank_data['title'];
    			$user_cache[$poster_id]['rank_image'] = $user_rank_data['img'];
    			$user_cache[$poster_id]['rank_image_src'] = $user_rank_data['img_src'];
    
    			if ((!empty($row['user_allow_viewemail']) && $auth->acl_get('u_sendemail')) || $auth->acl_get('a_email'))
    			{
    				$user_cache[$poster_id]['email'] = ($config['board_email_form'] && $config['email_enable']) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", "mode=email&amp;u=$poster_id") : (($config['board_hide_emails'] && !$auth->acl_get('a_email')) ? '' : 'mailto:' . $row['user_email']);
    			}
    			else
    			{
    				$user_cache[$poster_id]['email'] = '';
    			}
    
    			if ($config['allow_birthdays'] && !empty($row['user_birthday']))
    			{
    				list($bday_day, $bday_month, $bday_year) = array_map('intval', explode('-', $row['user_birthday']));
    
    				if ($bday_year)
    				{
    					$diff = $now['mon'] - $bday_month;
    					if ($diff == 0)
    					{
    						$diff = ($now['mday'] - $bday_day < 0) ? 1 : 0;
    					}
    					else
    					{
    						$diff = ($diff < 0) ? 1 : 0;
    					}
    
    					$user_cache[$poster_id]['age'] = (int) ($now['year'] - $bday_year - $diff);
    				}
    			}
    		}
    	}
    }
    $db->sql_freeresult($result);
    
    // Load custom profile fields
    if ($config['load_cpf_viewtopic'])
    {
    	/* @var $cp \phpbb\profilefields\manager */
    	$cp = $phpbb_container->get('profilefields.manager');
    
    	// Grab all profile fields from users in id cache for later use - similar to the poster cache
    	$profile_fields_tmp = $cp->grab_profile_fields_data($id_cache);
    
    	// filter out fields not to be displayed on viewtopic. Yes, it's a hack, but this shouldn't break any MODs.
    	$profile_fields_cache = array();
    	foreach ($profile_fields_tmp as $profile_user_id => $profile_fields)
    	{
    		$profile_fields_cache[$profile_user_id] = array();
    		foreach ($profile_fields as $used_ident => $profile_field)
    		{
    			if ($profile_field['data']['field_show_on_vt'])
    			{
    				$profile_fields_cache[$profile_user_id][$used_ident] = $profile_field;
    			}
    		}
    	}
    	unset($profile_fields_tmp);
    }
    
    // Generate online information for user
    if ($config['load_onlinetrack'] && count($id_cache))
    {
    	$sql = 'SELECT session_user_id, MAX(session_time) as online_time, MIN(session_viewonline) AS viewonline
    		FROM ' . SESSIONS_TABLE . '
    		WHERE ' . $db->sql_in_set('session_user_id', $id_cache) . '
    		GROUP BY session_user_id';
    	$result = $db->sql_query($sql);
    
    	$update_time = $config['load_online_time'] * 60;
    	while ($row = $db->sql_fetchrow($result))
    	{
    		$user_cache[$row['session_user_id']]['online'] = (time() - $update_time < $row['online_time'] && (($row['viewonline']) || $auth->acl_get('u_viewonline'))) ? true : false;
    	}
    	$db->sql_freeresult($result);
    }
    unset($id_cache);
    
    // Pull attachment data
    if (count($attach_list))
    {
    	if ($auth->acl_get('u_download') && $auth->acl_get('f_download', $forum_id))
    	{
    		$sql = 'SELECT *
    			FROM ' . ATTACHMENTS_TABLE . '
    			WHERE ' . $db->sql_in_set('post_msg_id', $attach_list) . '
    				AND in_message = 0
    			ORDER BY attach_id DESC, post_msg_id ASC';
    		$result = $db->sql_query($sql);
    
    		while ($row = $db->sql_fetchrow($result))
    		{
    			$attachments[$row['post_msg_id']][] = $row;
    		}
    		$db->sql_freeresult($result);
    
    		// No attachments exist, but post table thinks they do so go ahead and reset post_attach flags
    		if (!count($attachments))
    		{
    			$sql = 'UPDATE ' . POSTS_TABLE . '
    				SET post_attachment = 0
    				WHERE ' . $db->sql_in_set('post_id', $attach_list);
    			$db->sql_query($sql);
    
    			// We need to update the topic indicator too if the complete topic is now without an attachment
    			if (count($rowset) != $total_posts)
    			{
    				// Not all posts are displayed so we query the db to find if there's any attachment for this topic
    				$sql = 'SELECT a.post_msg_id as post_id
    					FROM ' . ATTACHMENTS_TABLE . ' a, ' . POSTS_TABLE . " p
    					WHERE p.topic_id = $topic_id
    						AND p.post_visibility = " . ITEM_APPROVED . '
    						AND p.topic_id = a.topic_id';
    				$result = $db->sql_query_limit($sql, 1);
    				$row = $db->sql_fetchrow($result);
    				$db->sql_freeresult($result);
    
    				if (!$row)
    				{
    					$sql = 'UPDATE ' . TOPICS_TABLE . "
    						SET topic_attachment = 0
    						WHERE topic_id = $topic_id";
    					$db->sql_query($sql);
    				}
    			}
    			else
    			{
    				$sql = 'UPDATE ' . TOPICS_TABLE . "
    					SET topic_attachment = 0
    					WHERE topic_id = $topic_id";
    				$db->sql_query($sql);
    			}
    		}
    		else if ($has_approved_attachments && !$topic_data['topic_attachment'])
    		{
    			// Topic has approved attachments but its flag is wrong
    			$sql = 'UPDATE ' . TOPICS_TABLE . "
    				SET topic_attachment = 1
    				WHERE topic_id = $topic_id";
    			$db->sql_query($sql);
    
    			$topic_data['topic_attachment'] = 1;
    		}
    		else if ($has_unapproved_attachments && !$topic_data['topic_attachment'])
    		{
    			// Topic has only unapproved attachments but we have the right to see and download them
    			$topic_data['topic_attachment'] = 1;
    		}
    	}
    	else
    	{
    		$display_notice = true;
    	}
    }
    
    if ($config['enable_accurate_pm_button'])
    {
    	// Get the list of users who can receive private messages
    	$can_receive_pm_list = $auth->acl_get_list(array_keys($user_cache), 'u_readpm');
    	$can_receive_pm_list = (empty($can_receive_pm_list) || !isset($can_receive_pm_list[0]['u_readpm'])) ? array() : $can_receive_pm_list[0]['u_readpm'];
    
    	// Get the list of permanently banned users
    	$permanently_banned_users = phpbb_get_banned_user_ids(array_keys($user_cache), false);
    }
    else
    {
    	$can_receive_pm_list = array_keys($user_cache);
    	$permanently_banned_users = [];
    }
    
    $i_total = count($rowset) - 1;
    $prev_post_id = '';
    
    $template->assign_vars(array(
    	'S_HAS_ATTACHMENTS' => $topic_data['topic_attachment'],
    	'S_NUM_POSTS' => count($post_list))
    );
    
    /**
    * Event to modify the post, poster and attachment data before assigning the posts
    *
    * @event core.viewtopic_modify_post_data
    * @var	int		forum_id	Forum ID
    * @var	int		topic_id	Topic ID
    * @var	array	topic_data	Array with topic data
    * @var	array	post_list	Array with post_ids we are going to display
    * @var	array	rowset		Array with post_id => post data
    * @var	array	user_cache	Array with prepared user data
    * @var	int		start		Pagination information
    * @var	int		sort_days	Display posts of previous x days
    * @var	string	sort_key	Key the posts are sorted by
    * @var	string	sort_dir	Direction the posts are sorted by
    * @var	bool	display_notice				Shall we display a notice instead of attachments
    * @var	bool	has_approved_attachments	Does the topic have approved attachments
    * @var	array	attachments					List of attachments post_id => array of attachments
    * @var	array	permanently_banned_users	List of permanently banned users
    * @var	array	can_receive_pm_list			Array with posters that can receive pms
    * @since 3.1.0-RC3
    */
    $vars = array(
    	'forum_id',
    	'topic_id',
    	'topic_data',
    	'post_list',
    	'rowset',
    	'user_cache',
    	'sort_days',
    	'sort_key',
    	'sort_dir',
    	'start',
    	'permanently_banned_users',
    	'can_receive_pm_list',
    	'display_notice',
    	'has_approved_attachments',
    	'attachments',
    );
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_post_data', compact($vars)));
    
    // Output the posts
    $first_unread = $post_unread = false;
    for ($i = 0, $end = count($post_list); $i < $end; ++$i)
    {
    	// A non-existing rowset only happens if there was no user present for the entered poster_id
    	// This could be a broken posts table.
    	if (!isset($rowset[$post_list[$i]]))
    	{
    		continue;
    	}
    
    	$row = $rowset[$post_list[$i]];
    	$poster_id = $row['user_id'];
    
    	// End signature parsing, only if needed
    	if ($user_cache[$poster_id]['sig'] && $row['enable_sig'] && empty($user_cache[$poster_id]['sig_parsed']))
    	{
    		$parse_flags = ($user_cache[$poster_id]['sig_bbcode_bitfield'] ? OPTION_FLAG_BBCODE : 0) | OPTION_FLAG_SMILIES;
    		$user_cache[$poster_id]['sig'] = generate_text_for_display($user_cache[$poster_id]['sig'], $user_cache[$poster_id]['sig_bbcode_uid'], $user_cache[$poster_id]['sig_bbcode_bitfield'],  $parse_flags, true);
    		$user_cache[$poster_id]['sig_parsed'] = true;
    	}
    
    	// Parse the message and subject
    	$parse_flags = ($row['bbcode_bitfield'] ? OPTION_FLAG_BBCODE : 0) | OPTION_FLAG_SMILIES;
    	$message = generate_text_for_display($row['post_text'], $row['bbcode_uid'], $row['bbcode_bitfield'], $parse_flags, true);
    
    	if (!empty($attachments[$row['post_id']]))
    	{
    		parse_attachments($forum_id, $message, $attachments[$row['post_id']], $update_count);
    	}
    
    	// Replace naughty words such as farty pants
    	$row['post_subject'] = censor_text($row['post_subject']);
    
    	// Highlight active words (primarily for search)
    	if ($highlight_match)
    	{
    		$message = preg_replace('#(?!<.*)(?<!\w)(' . $highlight_match . ')(?!\w|[^<>]*(?:</s(?:cript|tyle))?>)#is', '<span class="posthilit">\1</span>', $message);
    		$row['post_subject'] = preg_replace('#(?!<.*)(?<!\w)(' . $highlight_match . ')(?!\w|[^<>]*(?:</s(?:cript|tyle))?>)#is', '<span class="posthilit">\1</span>', $row['post_subject']);
    	}
    
    	// Editing information
    	if (($row['post_edit_count'] && $config['display_last_edited']) || $row['post_edit_reason'])
    	{
    		// Get usernames for all following posts if not already stored
    		if (!count($post_edit_list) && ($row['post_edit_reason'] || ($row['post_edit_user'] && !isset($user_cache[$row['post_edit_user']]))))
    		{
    			// Remove all post_ids already parsed (we do not have to check them)
    			$post_storage_list = (!$store_reverse) ? array_slice($post_list, $i) : array_slice(array_reverse($post_list), $i);
    
    			$sql = 'SELECT DISTINCT u.user_id, u.username, u.user_colour
    				FROM ' . POSTS_TABLE . ' p, ' . USERS_TABLE . ' u
    				WHERE ' . $db->sql_in_set('p.post_id', $post_storage_list) . '
    					AND p.post_edit_count <> 0
    					AND p.post_edit_user <> 0
    					AND p.post_edit_user = u.user_id';
    			$result2 = $db->sql_query($sql);
    			while ($user_edit_row = $db->sql_fetchrow($result2))
    			{
    				$post_edit_list[$user_edit_row['user_id']] = $user_edit_row;
    			}
    			$db->sql_freeresult($result2);
    
    			unset($post_storage_list);
    		}
    
    		if ($row['post_edit_reason'])
    		{
    			// User having edited the post also being the post author?
    			if (!$row['post_edit_user'] || $row['post_edit_user'] == $poster_id)
    			{
    				$display_username = get_username_string('full', $poster_id, $row['username'], $row['user_colour'], $row['post_username']);
    			}
    			else
    			{
    				$display_username = get_username_string('full', $row['post_edit_user'], $post_edit_list[$row['post_edit_user']]['username'], $post_edit_list[$row['post_edit_user']]['user_colour']);
    			}
    
    			$l_edited_by = $user->lang('EDITED_TIMES_TOTAL', (int) $row['post_edit_count'], $display_username, $user->format_date($row['post_edit_time'], false, true));
    		}
    		else
    		{
    			if ($row['post_edit_user'] && !isset($user_cache[$row['post_edit_user']]))
    			{
    				$user_cache[$row['post_edit_user']] = $post_edit_list[$row['post_edit_user']];
    			}
    
    			// User having edited the post also being the post author?
    			if (!$row['post_edit_user'] || $row['post_edit_user'] == $poster_id)
    			{
    				$display_username = get_username_string('full', $poster_id, $row['username'], $row['user_colour'], $row['post_username']);
    			}
    			else
    			{
    				$display_username = get_username_string('full', $row['post_edit_user'], $user_cache[$row['post_edit_user']]['username'], $user_cache[$row['post_edit_user']]['user_colour']);
    			}
    
    			$l_edited_by = $user->lang('EDITED_TIMES_TOTAL', (int) $row['post_edit_count'], $display_username, $user->format_date($row['post_edit_time'], false, true));
    		}
    	}
    	else
    	{
    		$l_edited_by = '';
    	}
    
    	// Deleting information
    	if ($row['post_visibility'] == ITEM_DELETED && $row['post_delete_user'])
    	{
    		// Get usernames for all following posts if not already stored
    		if (!count($post_delete_list) && ($row['post_delete_reason'] || ($row['post_delete_user'] && !isset($user_cache[$row['post_delete_user']]))))
    		{
    			// Remove all post_ids already parsed (we do not have to check them)
    			$post_storage_list = (!$store_reverse) ? array_slice($post_list, $i) : array_slice(array_reverse($post_list), $i);
    
    			$sql = 'SELECT DISTINCT u.user_id, u.username, u.user_colour
    				FROM ' . POSTS_TABLE . ' p, ' . USERS_TABLE . ' u
    				WHERE ' . $db->sql_in_set('p.post_id', $post_storage_list) . '
    					AND p.post_delete_user <> 0
    					AND p.post_delete_user = u.user_id';
    			$result2 = $db->sql_query($sql);
    			while ($user_delete_row = $db->sql_fetchrow($result2))
    			{
    				$post_delete_list[$user_delete_row['user_id']] = $user_delete_row;
    			}
    			$db->sql_freeresult($result2);
    
    			unset($post_storage_list);
    		}
    
    		if ($row['post_delete_user'] && !isset($user_cache[$row['post_delete_user']]))
    		{
    			$user_cache[$row['post_delete_user']] = $post_delete_list[$row['post_delete_user']];
    		}
    
    		$display_postername = get_username_string('full', $poster_id, $row['username'], $row['user_colour'], $row['post_username']);
    
    		// User having deleted the post also being the post author?
    		if (!$row['post_delete_user'] || $row['post_delete_user'] == $poster_id)
    		{
    			$display_username = $display_postername;
    		}
    		else
    		{
    			$display_username = get_username_string('full', $row['post_delete_user'], $user_cache[$row['post_delete_user']]['username'], $user_cache[$row['post_delete_user']]['user_colour']);
    		}
    
    		if ($row['post_delete_reason'])
    		{
    			$l_deleted_message = $user->lang('POST_DELETED_BY_REASON', $display_postername, $display_username, $user->format_date($row['post_delete_time'], false, true), $row['post_delete_reason']);
    		}
    		else
    		{
    			$l_deleted_message = $user->lang('POST_DELETED_BY', $display_postername, $display_username, $user->format_date($row['post_delete_time'], false, true));
    		}
    		$l_deleted_by = $user->lang('DELETED_INFORMATION', $display_username, $user->format_date($row['post_delete_time'], false, true));
    	}
    	else
    	{
    		$l_deleted_by = $l_deleted_message = '';
    	}
    
    	// Bump information
    	if ($topic_data['topic_bumped'] && $row['post_id'] == $topic_data['topic_last_post_id'] && isset($user_cache[$topic_data['topic_bumper']]) )
    	{
    		// It is safe to grab the username from the user cache array, we are at the last
    		// post and only the topic poster and last poster are allowed to bump.
    		// Admins and mods are bound to the above rules too...
    		$l_bumped_by = sprintf($user->lang['BUMPED_BY'], $user_cache[$topic_data['topic_bumper']]['username'], $user->format_date($topic_data['topic_last_post_time'], false, true));
    	}
    	else
    	{
    		$l_bumped_by = '';
    	}
    
    	$cp_row = array();
    
    	//
    	if ($config['load_cpf_viewtopic'])
    	{
    		$cp_row = (isset($profile_fields_cache[$poster_id])) ? $cp->generate_profile_fields_template_data($profile_fields_cache[$poster_id]) : array();
    	}
    
    	$post_unread = (isset($topic_tracking_info[$topic_id]) && $row['post_time'] > $topic_tracking_info[$topic_id]) ? true : false;
    
    	$s_first_unread = false;
    	if (!$first_unread && $post_unread)
    	{
    		$s_first_unread = $first_unread = true;
    	}
    
    	$force_edit_allowed = $force_delete_allowed = $force_softdelete_allowed = false;
    
    	$s_cannot_edit = !$auth->acl_get('f_edit', $forum_id) || $user->data['user_id'] != $poster_id;
    	$s_cannot_edit_time = $config['edit_time'] && $row['post_time'] <= time() - ($config['edit_time'] * 60);
    	$s_cannot_edit_locked = ($topic_data['topic_status'] == ITEM_LOCKED && !$auth->acl_get('m_lock', $forum_id)) || $row['post_edit_locked'];
    
    	$s_cannot_delete = $user->data['user_id'] != $poster_id || (
    			!$auth->acl_get('f_delete', $forum_id) &&
    			(!$auth->acl_get('f_softdelete', $forum_id) || $row['post_visibility'] == ITEM_DELETED)
    	);
    	$s_cannot_delete_lastpost = $topic_data['topic_last_post_id'] != $row['post_id'];
    	$s_cannot_delete_time = $config['delete_time'] && $row['post_time'] <= time() - ($config['delete_time'] * 60);
    	// we do not want to allow removal of the last post if a moderator locked it!
    	$s_cannot_delete_locked = $topic_data['topic_status'] == ITEM_LOCKED || $row['post_edit_locked'];
    
    	/**
    	* This event allows you to modify the conditions for the "can edit post" and "can delete post" checks
    	*
    	* @event core.viewtopic_modify_post_action_conditions
    	* @var	array	row			Array with post data
    	* @var	array	topic_data	Array with topic data
    	* @var	bool	force_edit_allowed		Allow the user to edit the post (all permissions and conditions are ignored)
    	* @var	bool	s_cannot_edit			User can not edit the post because it's not his
    	* @var	bool	s_cannot_edit_locked	User can not edit the post because it's locked
    	* @var	bool	s_cannot_edit_time		User can not edit the post because edit_time has passed
    	* @var	bool	force_delete_allowed		Allow the user to delete the post (all permissions and conditions are ignored)
    	* @var	bool	s_cannot_delete				User can not delete the post because it's not his
    	* @var	bool	s_cannot_delete_lastpost	User can not delete the post because it's not the last post of the topic
    	* @var	bool	s_cannot_delete_locked		User can not delete the post because it's locked
    	* @var	bool	s_cannot_delete_time		User can not delete the post because edit_time has passed
    	* @var	bool	force_softdelete_allowed	Allow the user to ыoftdelete the post (all permissions and conditions are ignored)
    	* @since 3.1.0-b4
    	* @changed 3.1.11-RC1 Added force_softdelete_allowed var
    	*/
    	$vars = array(
    		'row',
    		'topic_data',
    		'force_edit_allowed',
    		's_cannot_edit',
    		's_cannot_edit_locked',
    		's_cannot_edit_time',
    		'force_delete_allowed',
    		's_cannot_delete',
    		's_cannot_delete_lastpost',
    		's_cannot_delete_locked',
    		's_cannot_delete_time',
    		'force_softdelete_allowed',
    	);
    	extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_post_action_conditions', compact($vars)));
    
    	$edit_allowed = $force_edit_allowed || ($user->data['is_registered'] && ($auth->acl_get('m_edit', $forum_id) || (
    		!$s_cannot_edit &&
    		!$s_cannot_edit_time &&
    		!$s_cannot_edit_locked
    	)));
    
    	$quote_allowed = $auth->acl_get('m_edit', $forum_id) || ($topic_data['topic_status'] != ITEM_LOCKED &&
    		($user->data['user_id'] == ANONYMOUS || $auth->acl_get('f_reply', $forum_id))
    	);
    
    	// Only display the quote button if the post is quotable.  Posts not approved are not quotable.
    	$quote_allowed = ($quote_allowed && $row['post_visibility'] == ITEM_APPROVED) ? true : false;
    
    	$delete_allowed = $force_delete_allowed || ($user->data['is_registered'] && (
    		($auth->acl_get('m_delete', $forum_id) || ($auth->acl_get('m_softdelete', $forum_id) && $row['post_visibility'] != ITEM_DELETED)) ||
    		(!$s_cannot_delete && !$s_cannot_delete_lastpost && !$s_cannot_delete_time && !$s_cannot_delete_locked)
    	));
    
    	$softdelete_allowed = $force_softdelete_allowed || (($auth->acl_get('m_softdelete', $forum_id) ||
    		($auth->acl_get('f_softdelete', $forum_id) && $user->data['user_id'] == $poster_id)) && ($row['post_visibility'] != ITEM_DELETED));
    
    	$permanent_delete_allowed = $force_delete_allowed || ($auth->acl_get('m_delete', $forum_id) ||
    		($auth->acl_get('f_delete', $forum_id) && $user->data['user_id'] == $poster_id));
    
    	// Can this user receive a Private Message?
    	$can_receive_pm = (
    		// They must be a "normal" user
    		$user_cache[$poster_id]['user_type'] != USER_IGNORE &&
    
    		// They must not be deactivated by the administrator
    		($user_cache[$poster_id]['user_type'] != USER_INACTIVE || $user_cache[$poster_id]['user_inactive_reason'] != INACTIVE_MANUAL) &&
    
    		// They must be able to read PMs
    		in_array($poster_id, $can_receive_pm_list) &&
    
    		// They must not be permanently banned
    		!in_array($poster_id, $permanently_banned_users) &&
    
    		// They must allow users to contact via PM
    		(($auth->acl_gets('a_', 'm_') || $auth->acl_getf_global('m_')) || $user_cache[$poster_id]['allow_pm'])
    	);
    
    	$u_pm = '';
    
    	if ($config['allow_privmsg'] && $auth->acl_get('u_sendpm') && $can_receive_pm)
    	{
    		$u_pm = append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&amp;mode=compose&amp;action=quotepost&amp;p=' . $row['post_id']);
    	}
    
    	//
    	$post_row = array(
    		'POST_AUTHOR_FULL'		=> ($poster_id != ANONYMOUS) ? $user_cache[$poster_id]['author_full'] : get_username_string('full', $poster_id, $row['username'], $row['user_colour'], $row['post_username']),
    		'POST_AUTHOR_COLOUR'	=> ($poster_id != ANONYMOUS) ? $user_cache[$poster_id]['author_colour'] : get_username_string('colour', $poster_id, $row['username'], $row['user_colour'], $row['post_username']),
    		'POST_AUTHOR'			=> ($poster_id != ANONYMOUS) ? $user_cache[$poster_id]['author_username'] : get_username_string('username', $poster_id, $row['username'], $row['user_colour'], $row['post_username']),
    		'U_POST_AUTHOR'			=> ($poster_id != ANONYMOUS) ? $user_cache[$poster_id]['author_profile'] : get_username_string('profile', $poster_id, $row['username'], $row['user_colour'], $row['post_username']),
    
    		'RANK_TITLE'		=> $user_cache[$poster_id]['rank_title'],
    		'RANK_IMG'			=> $user_cache[$poster_id]['rank_image'],
    		'RANK_IMG_SRC'		=> $user_cache[$poster_id]['rank_image_src'],
    		'POSTER_JOINED'		=> $user_cache[$poster_id]['joined'],
    		'POSTER_POSTS'		=> $user_cache[$poster_id]['posts'],
    		'POSTER_AVATAR'		=> $user_cache[$poster_id]['avatar'],
    		'POSTER_WARNINGS'	=> $auth->acl_get('m_warn') ? $user_cache[$poster_id]['warnings'] : '',
    		'POSTER_AGE'		=> $user_cache[$poster_id]['age'],
    		'CONTACT_USER'		=> $user_cache[$poster_id]['contact_user'],
    
    		'POST_DATE'			=> $user->format_date($row['post_time'], false, ($view == 'print') ? true : false),
    		'POST_DATE_RFC3339'	=> gmdate(DATE_RFC3339, $row['post_time']),
    		'POST_SUBJECT'		=> $row['post_subject'],
    		'MESSAGE'			=> $message,
    		'SIGNATURE'			=> ($row['enable_sig']) ? $user_cache[$poster_id]['sig'] : '',
    		'EDITED_MESSAGE'	=> $l_edited_by,
    		'EDIT_REASON'		=> $row['post_edit_reason'],
    		'DELETED_MESSAGE'	=> $l_deleted_by,
    		'DELETE_REASON'		=> $row['post_delete_reason'],
    		'BUMPED_MESSAGE'	=> $l_bumped_by,
    
    		'MINI_POST_IMG'			=> ($post_unread) ? $user->img('icon_post_target_unread', 'UNREAD_POST') : $user->img('icon_post_target', 'POST'),
    		'POST_ICON_IMG'			=> ($topic_data['enable_icons'] && !empty($row['icon_id'])) ? $icons[$row['icon_id']]['img'] : '',
    		'POST_ICON_IMG_WIDTH'	=> ($topic_data['enable_icons'] && !empty($row['icon_id'])) ? $icons[$row['icon_id']]['width'] : '',
    		'POST_ICON_IMG_HEIGHT'	=> ($topic_data['enable_icons'] && !empty($row['icon_id'])) ? $icons[$row['icon_id']]['height'] : '',
    		'POST_ICON_IMG_ALT' 	=> ($topic_data['enable_icons'] && !empty($row['icon_id'])) ? $icons[$row['icon_id']]['alt'] : '',
    		'ONLINE_IMG'			=> ($poster_id == ANONYMOUS || !$config['load_onlinetrack']) ? '' : (($user_cache[$poster_id]['online']) ? $user->img('icon_user_online', 'ONLINE') : $user->img('icon_user_offline', 'OFFLINE')),
    		'S_ONLINE'				=> ($poster_id == ANONYMOUS || !$config['load_onlinetrack']) ? false : (($user_cache[$poster_id]['online']) ? true : false),
    
    		'U_EDIT'			=> ($edit_allowed) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=edit&amp;f=$forum_id&amp;p={$row['post_id']}") : '',
    		'U_QUOTE'			=> ($quote_allowed) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=quote&amp;f=$forum_id&amp;p={$row['post_id']}") : '',
    		'U_INFO'			=> ($auth->acl_get('m_info', $forum_id)) ? append_sid("{$phpbb_root_path}mcp.$phpEx", "i=main&amp;mode=post_details&amp;f=$forum_id&amp;p=" . $row['post_id'], true, $user->session_id) : '',
    		'U_DELETE'			=> ($delete_allowed) ? append_sid("{$phpbb_root_path}posting.$phpEx", 'mode=' . (($softdelete_allowed) ? 'soft_delete' : 'delete') . "&amp;f=$forum_id&amp;p={$row['post_id']}") : '',
    
    		'U_SEARCH'		=> $user_cache[$poster_id]['search'],
    		'U_PM'			=> $u_pm,
    		'U_EMAIL'		=> $user_cache[$poster_id]['email'],
    		'U_JABBER'		=> $user_cache[$poster_id]['jabber'],
    
    		'U_APPROVE_ACTION'		=> append_sid("{$phpbb_root_path}mcp.$phpEx", "i=queue&amp;p={$row['post_id']}&amp;f=$forum_id&amp;redirect=" . urlencode(str_replace('&amp;', '&', $viewtopic_url . '&amp;p=' . $row['post_id'] . '#p' . $row['post_id']))),
    		'U_REPORT'			=> ($auth->acl_get('f_report', $forum_id)) ? $phpbb_container->get('controller.helper')->route('phpbb_report_post_controller', array('id' => $row['post_id'])) : '',
    		'U_MCP_REPORT'		=> ($auth->acl_get('m_report', $forum_id)) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=reports&amp;mode=report_details&amp;f=' . $forum_id . '&amp;p=' . $row['post_id'], true, $user->session_id) : '',
    		'U_MCP_APPROVE'		=> ($auth->acl_get('m_approve', $forum_id)) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=queue&amp;mode=approve_details&amp;f=' . $forum_id . '&amp;p=' . $row['post_id'], true, $user->session_id) : '',
    		'U_MCP_RESTORE'		=> ($auth->acl_get('m_approve', $forum_id)) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=queue&amp;mode=' . (($topic_data['topic_visibility'] != ITEM_DELETED) ? 'deleted_posts' : 'deleted_topics') . '&amp;f=' . $forum_id . '&amp;p=' . $row['post_id'], true, $user->session_id) : '',
    		'U_MINI_POST'		=> append_sid("{$phpbb_root_path}viewtopic.$phpEx", 'p=' . $row['post_id']) . '#p' . $row['post_id'],
    		'U_NEXT_POST_ID'	=> ($i < $i_total && isset($rowset[$post_list[$i + 1]])) ? $rowset[$post_list[$i + 1]]['post_id'] : '',
    		'U_PREV_POST_ID'	=> $prev_post_id,
    		'U_NOTES'			=> ($auth->acl_getf_global('m_')) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=notes&amp;mode=user_notes&amp;u=' . $poster_id, true, $user->session_id) : '',
    		'U_WARN'			=> ($auth->acl_get('m_warn') && $poster_id != $user->data['user_id'] && $poster_id != ANONYMOUS) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=warn&amp;mode=warn_post&amp;f=' . $forum_id . '&amp;p=' . $row['post_id'], true, $user->session_id) : '',
    
    		'POST_ID'			=> $row['post_id'],
    		'POST_NUMBER'		=> $i + $start + 1,
    		'POSTER_ID'			=> $poster_id,
    		'MINI_POST'			=> ($post_unread) ? $user->lang['UNREAD_POST'] : $user->lang['POST'],
    
    
    		'S_HAS_ATTACHMENTS'	=> (!empty($attachments[$row['post_id']])) ? true : false,
    		'S_MULTIPLE_ATTACHMENTS'	=> !empty($attachments[$row['post_id']]) && count($attachments[$row['post_id']]) > 1,
    		'S_POST_UNAPPROVED'	=> ($row['post_visibility'] == ITEM_UNAPPROVED || $row['post_visibility'] == ITEM_REAPPROVE) ? true : false,
    		'S_CAN_APPROVE'		=> $auth->acl_get('m_approve', $forum_id),
    		'S_POST_DELETED'	=> ($row['post_visibility'] == ITEM_DELETED) ? true : false,
    		'L_POST_DELETED_MESSAGE'	=> $l_deleted_message,
    		'S_POST_REPORTED'	=> ($row['post_reported'] && $auth->acl_get('m_report', $forum_id)) ? true : false,
    		'S_DISPLAY_NOTICE'	=> $display_notice && $row['post_attachment'],
    		'S_FRIEND'			=> ($row['friend']) ? true : false,
    		'S_UNREAD_POST'		=> $post_unread,
    		'S_FIRST_UNREAD'	=> $s_first_unread,
    		'S_CUSTOM_FIELDS'	=> (isset($cp_row['row']) && count($cp_row['row'])) ? true : false,
    		'S_TOPIC_POSTER'	=> ($topic_data['topic_poster'] == $poster_id) ? true : false,
    		'S_FIRST_POST'		=> ($topic_data['topic_first_post_id'] == $row['post_id']) ? true : false,
    
    		'S_IGNORE_POST'		=> ($row['foe']) ? true : false,
    		'L_IGNORE_POST'		=> ($row['foe']) ? sprintf($user->lang['POST_BY_FOE'], get_username_string('full', $poster_id, $row['username'], $row['user_colour'], $row['post_username'])) : '',
    		'S_POST_HIDDEN'		=> $row['hide_post'],
    		'L_POST_DISPLAY'	=> ($row['hide_post']) ? $user->lang('POST_DISPLAY', '<a class="display_post" data-post-id="' . $row['post_id'] . '" href="' . $viewtopic_url . "&amp;p={$row['post_id']}&amp;view=show#p{$row['post_id']}" . '">', '</a>') : '',
    		'S_DELETE_PERMANENT'	=> $permanent_delete_allowed,
    	);
    
    	$user_poster_data = $user_cache[$poster_id];
    
    	$current_row_number = $i;
    
    	/**
    	* Modify the posts template block
    	*
    	* @event core.viewtopic_modify_post_row
    	* @var	int		start				Start item of this page
    	* @var	int		current_row_number	Number of the post on this page
    	* @var	int		end					Number of posts on this page
    	* @var	int		total_posts			Total posts count
    	* @var	int		poster_id			Post author id
    	* @var	array	row					Array with original post and user data
    	* @var	array	cp_row				Custom profile field data of the poster
    	* @var	array	attachments			List of attachments
    	* @var	array	user_poster_data	Poster's data from user cache
    	* @var	array	post_row			Template block array of the post
    	* @var	array	topic_data			Array with topic data
    	* @var	array	user_cache			Array with cached user data
    	* @var	array	post_edit_list		Array with post edited list
    	* @since 3.1.0-a1
    	* @changed 3.1.0-a3 Added vars start, current_row_number, end, attachments
    	* @changed 3.1.0-b3 Added topic_data array, total_posts
    	* @changed 3.1.0-RC3 Added poster_id
    	* @changed 3.2.2-RC1 Added user_cache and post_edit_list
    	*/
    	$vars = array(
    		'start',
    		'current_row_number',
    		'end',
    		'total_posts',
    		'poster_id',
    		'row',
    		'cp_row',
    		'attachments',
    		'user_poster_data',
    		'post_row',
    		'topic_data',
    		'user_cache',
    		'post_edit_list',
    	);
    	extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_post_row', compact($vars)));
    
    	$i = $current_row_number;
    
    	if (isset($cp_row['row']) && count($cp_row['row']))
    	{
    		$post_row = array_merge($post_row, $cp_row['row']);
    	}
    
    	// Dump vars into template
    	$template->assign_block_vars('postrow', $post_row);
    
    	$contact_fields = array(
    		array(
    			'ID'		=> 'pm',
    			'NAME' 		=> $user->lang['SEND_PRIVATE_MESSAGE'],
    			'U_CONTACT'	=> $post_row['U_PM'],
    		),
    		array(
    			'ID'		=> 'email',
    			'NAME'		=> $user->lang['SEND_EMAIL'],
    			'U_CONTACT'	=> $user_cache[$poster_id]['email'],
    		),
    		array(
    			'ID'		=> 'jabber',
    			'NAME'		=> $user->lang['JABBER'],
    			'U_CONTACT'	=> $user_cache[$poster_id]['jabber'],
    		),
    	);
    
    	foreach ($contact_fields as $field)
    	{
    		if ($field['U_CONTACT'])
    		{
    			$template->assign_block_vars('postrow.contact', $field);
    		}
    	}
    
    	if (!empty($cp_row['blockrow']))
    	{
    		foreach ($cp_row['blockrow'] as $field_data)
    		{
    			$template->assign_block_vars('postrow.custom_fields', $field_data);
    
    			if ($field_data['S_PROFILE_CONTACT'])
    			{
    				$template->assign_block_vars('postrow.contact', array(
    					'ID'		=> $field_data['PROFILE_FIELD_IDENT'],
    					'NAME'		=> $field_data['PROFILE_FIELD_NAME'],
    					'U_CONTACT'	=> $field_data['PROFILE_FIELD_CONTACT'],
    				));
    			}
    		}
    	}
    
    	// Display not already displayed Attachments for this post, we already parsed them. ;)
    	if (!empty($attachments[$row['post_id']]))
    	{
    		foreach ($attachments[$row['post_id']] as $attachment)
    		{
    			$template->assign_block_vars('postrow.attachment', array(
    				'DISPLAY_ATTACHMENT'	=> $attachment)
    			);
    		}
    	}
    
    	$current_row_number = $i;
    
    	/**
    	* Event after the post data has been assigned to the template
    	*
    	* @event core.viewtopic_post_row_after
    	* @var	int		start				Start item of this page
    	* @var	int		current_row_number	Number of the post on this page
    	* @var	int		end					Number of posts on this page
    	* @var	int		total_posts			Total posts count
    	* @var	array	row					Array with original post and user data
    	* @var	array	cp_row				Custom profile field data of the poster
    	* @var	array	attachments			List of attachments
    	* @var	array	user_poster_data	Poster's data from user cache
    	* @var	array	post_row			Template block array of the post
    	* @var	array	topic_data			Array with topic data
    	* @since 3.1.0-a3
    	* @changed 3.1.0-b3 Added topic_data array, total_posts
    	*/
    	$vars = array(
    		'start',
    		'current_row_number',
    		'end',
    		'total_posts',
    		'row',
    		'cp_row',
    		'attachments',
    		'user_poster_data',
    		'post_row',
    		'topic_data',
    	);
    	extract($phpbb_dispatcher->trigger_event('core.viewtopic_post_row_after', compact($vars)));
    
    	$i = $current_row_number;
    
    	$prev_post_id = $row['post_id'];
    
    	unset($rowset[$post_list[$i]]);
    	unset($attachments[$row['post_id']]);
    }
    unset($rowset, $user_cache);
    
    // Update topic view and if necessary attachment view counters ... but only for humans and if this is the first 'page view'
    if (isset($user->data['session_page']) && !$user->data['is_bot'] && (strpos($user->data['session_page'], '&t=' . $topic_id) === false || isset($user->data['session_created'])))
    {
    	$sql = 'UPDATE ' . TOPICS_TABLE . '
    		SET topic_views = topic_views + 1, topic_last_view_time = ' . time() . "
    		WHERE topic_id = $topic_id";
    	$db->sql_query($sql);
    
    	// Update the attachment download counts
    	if (count($update_count))
    	{
    		$sql = 'UPDATE ' . ATTACHMENTS_TABLE . '
    			SET download_count = download_count + 1
    			WHERE ' . $db->sql_in_set('attach_id', array_unique($update_count));
    		$db->sql_query($sql);
    	}
    }
    
    // Only mark topic if it's currently unread. Also make sure we do not set topic tracking back if earlier pages are viewed.
    if (isset($topic_tracking_info[$topic_id]) && $topic_data['topic_last_post_time'] > $topic_tracking_info[$topic_id] && $max_post_time > $topic_tracking_info[$topic_id])
    {
    	markread('topic', $forum_id, $topic_id, $max_post_time);
    
    	// Update forum info
    	$all_marked_read = update_forum_tracking_info($forum_id, $topic_data['forum_last_post_time'], (isset($topic_data['forum_mark_time'])) ? $topic_data['forum_mark_time'] : false, false);
    }
    else
    {
    	$all_marked_read = true;
    }
    
    // If there are absolutely no more unread posts in this forum
    // and unread posts shown, we can safely show the #unread link
    if ($all_marked_read)
    {
    	if ($post_unread)
    	{
    		$template->assign_vars(array(
    			'U_VIEW_UNREAD_POST'	=> '#unread',
    		));
    	}
    	else if (isset($topic_tracking_info[$topic_id]) && $topic_data['topic_last_post_time'] > $topic_tracking_info[$topic_id])
    	{
    		$template->assign_vars(array(
    			'U_VIEW_UNREAD_POST'	=> append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;view=unread") . '#unread',
    		));
    	}
    }
    else if (!$all_marked_read)
    {
    	$last_page = ((floor($start / $config['posts_per_page']) + 1) == max(ceil($total_posts / $config['posts_per_page']), 1)) ? true : false;
    
    	// What can happen is that we are at the last displayed page. If so, we also display the #unread link based in $post_unread
    	if ($last_page && $post_unread)
    	{
    		$template->assign_vars(array(
    			'U_VIEW_UNREAD_POST'	=> '#unread',
    		));
    	}
    	else if (!$last_page)
    	{
    		$template->assign_vars(array(
    			'U_VIEW_UNREAD_POST'	=> append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=$topic_id&amp;view=unread") . '#unread',
    		));
    	}
    }
    
    // let's set up quick_reply
    $s_quick_reply = false;
    if ($user->data['is_registered'] && $config['allow_quick_reply'] && ($topic_data['forum_flags'] & FORUM_FLAG_QUICK_REPLY) && $auth->acl_get('f_reply', $forum_id))
    {
    	// Quick reply enabled forum
    	$s_quick_reply = (($topic_data['forum_status'] == ITEM_UNLOCKED && $topic_data['topic_status'] == ITEM_UNLOCKED) || $auth->acl_get('m_edit', $forum_id)) ? true : false;
    }
    
    if ($s_can_vote || $s_quick_reply)
    {
    	add_form_key('posting');
    
    	if ($s_quick_reply)
    	{
    		$s_attach_sig	= $config['allow_sig'] && $user->optionget('attachsig') && $auth->acl_get('f_sigs', $forum_id) && $auth->acl_get('u_sig');
    		$s_smilies		= $config['allow_smilies'] && $user->optionget('smilies') && $auth->acl_get('f_smilies', $forum_id);
    		$s_bbcode		= $config['allow_bbcode'] && $user->optionget('bbcode') && $auth->acl_get('f_bbcode', $forum_id);
    		$s_notify		= $config['allow_topic_notify'] && ($user->data['user_notify'] || $s_watching_topic['is_watching']);
    
    		$qr_hidden_fields = array(
    			'topic_cur_post_id'		=> (int) $topic_data['topic_last_post_id'],
    			'topic_id'				=> (int) $topic_data['topic_id'],
    			'forum_id'				=> (int) $forum_id,
    		);
    
    		// Originally we use checkboxes and check with isset(), so we only provide them if they would be checked
    		(!$s_bbcode)					? $qr_hidden_fields['disable_bbcode'] = 1		: true;
    		(!$s_smilies)					? $qr_hidden_fields['disable_smilies'] = 1		: true;
    		(!$config['allow_post_links'])	? $qr_hidden_fields['disable_magic_url'] = 1	: true;
    		($s_attach_sig)					? $qr_hidden_fields['attach_sig'] = 1			: true;
    		($s_notify)						? $qr_hidden_fields['notify'] = 1				: true;
    		($topic_data['topic_status'] == ITEM_LOCKED) ? $qr_hidden_fields['lock_topic'] = 1 : true;
    
    		$tpl_ary = [
    			'S_QUICK_REPLY'			=> true,
    			'U_QR_ACTION'			=> append_sid("{$phpbb_root_path}posting.$phpEx", "mode=reply&amp;f=$forum_id&amp;t=$topic_id"),
    			'QR_HIDDEN_FIELDS'		=> build_hidden_fields($qr_hidden_fields),
    			'SUBJECT'				=> 'Re: ' . censor_text($topic_data['topic_title']),
    		];
    
    		/**
    		* Event after the quick-reply has been setup
    		*
    		* @event core.viewtopic_modify_quick_reply_template_vars
    		* @var	array	tpl_ary			Array with template data
    		* @var	array	topic_data		Array with topic data
    		* @since 3.2.9-RC1
    		*/
    		$vars = ['tpl_ary', 'topic_data'];
    		extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_quick_reply_template_vars', compact($vars)));
    
    		$template->assign_vars($tpl_ary);
    	}
    }
    // now I have the urge to wash my hands :(
    
    
    // We overwrite $_REQUEST['f'] if there is no forum specified
    // to be able to display the correct online list.
    // One downside is that the user currently viewing this topic/post is not taken into account.
    if (!$request->variable('f', 0))
    {
    	$request->overwrite('f', $forum_id);
    }
    
    // We need to do the same with the topic_id. See #53025.
    if (!$request->variable('t', 0) && !empty($topic_id))
    {
    	$request->overwrite('t', $topic_id);
    }
    
    $page_title = $topic_data['topic_title'] . ($start ? ' - ' . sprintf($user->lang['PAGE_TITLE_NUMBER'], $pagination->get_on_page($config['posts_per_page'], $start)) : '');
    
    /**
    * You can use this event to modify the page title of the viewtopic page
    *
    * @event core.viewtopic_modify_page_title
    * @var	string	page_title		Title of the viewtopic page
    * @var	array	topic_data		Array with topic data
    * @var	int		forum_id		Forum ID of the topic
    * @var	int		start			Start offset used to calculate the page
    * @var	array	post_list		Array with post_ids we are going to display
    * @since 3.1.0-a1
    * @changed 3.1.0-RC4 Added post_list var
    */
    $vars = array('page_title', 'topic_data', 'forum_id', 'start', 'post_list');
    extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_page_title', compact($vars)));
    
    // Output the page
    page_header($page_title, true, $forum_id);
    
    $template->set_filenames(array(
    	'body' => ($view == 'print') ? 'viewtopic_print.html' : 'viewtopic_body.html')
    );
    make_jumpbox(append_sid("{$phpbb_root_path}viewforum.$phpEx"), $forum_id);
    
    page_footer();