phpBB

Code Changes

File: search.php

  Unmodified   Added   Modified   Removed
Line 1Line 1
<?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);

// Start session management
$user->session_begin();
$auth->acl($user->data);
$user->setup('search');

// Define initial vars
$mode = request_var('mode', '');
$search_id = request_var('search_id', '');
$start = max(request_var('start', 0), 0);
$post_id = request_var('p', 0);
$topic_id = request_var('t', 0);
$view = request_var('view', '');

$submit = request_var('submit', false);
$keywords = utf8_normalize_nfc(request_var('keywords', '', true));
$add_keywords = utf8_normalize_nfc(request_var('add_keywords', '', true));
$author = request_var('author', '', true);
$author_id = request_var('author_id', 0);
$show_results = ($topic_id) ? 'posts' : request_var('sr', 'posts');
$show_results = ($show_results == 'posts') ? 'posts' : 'topics';
$search_terms = request_var('terms', 'all');
$search_fields = request_var('sf', 'all');
$search_child = request_var('sc', true);

$sort_days = request_var('st', 0);
$sort_key = request_var('sk', 't');
$sort_dir = request_var('sd', 'd');

$return_chars = request_var('ch', ($topic_id) ? -1 : 300);
$search_forum = request_var('fid', array(0));

// We put login boxes for the case if search_id is newposts, egosearch or unreadposts
// because a guest should be able to log in even if guests search is not permitted

switch ($search_id)
{
// Egosearch is an author search
case 'egosearch':
$author_id = $user->data['user_id'];
if ($user->data['user_id'] == ANONYMOUS)
{
login_box('', $user->lang['LOGIN_EXPLAIN_EGOSEARCH']);
}
break;

// Search for unread posts needs to be allowed and user to be logged in if topics tracking for guests is disabled
case 'unreadposts':
if (!$config['load_unreads_search'])
{
$template->assign_var('S_NO_SEARCH', true);
trigger_error('NO_SEARCH_UNREADS');
}
else if (!$config['load_anon_lastread'] && !$user->data['is_registered'])
{
login_box('', $user->lang['LOGIN_EXPLAIN_UNREADSEARCH']);
}
break;

// The "new posts" search uses user_lastvisit which is user based, so it should require user to log in.
case 'newposts':
if ($user->data['user_id'] == ANONYMOUS)
{
login_box('', $user->lang['LOGIN_EXPLAIN_NEWPOSTS']);
}
break;

default:
// There's nothing to do here for now ;)
break;
}

// Is user able to search? Has search been disabled?
if (!$auth->acl_get('u_search') || !$auth->acl_getf_global('f_search') || !$config['load_search'])
{
$template->assign_var('S_NO_SEARCH', true);
trigger_error('NO_SEARCH');
}

// Check search load limit
if ($user->load && $config['limit_search_load'] && ($user->load > doubleval($config['limit_search_load'])))
{
$template->assign_var('S_NO_SEARCH', true);
trigger_error('NO_SEARCH_TIME');
}

// It is applicable if the configuration setting is non-zero, and the user cannot
// ignore the flood setting, and the search is a keyword search.
$interval = ($user->data['user_id'] == ANONYMOUS) ? $config['search_anonymous_interval'] : $config['search_interval'];
if ($interval && !in_array($search_id, array('unreadposts', 'unanswered', 'active_topics', 'egosearch')) && !$auth->acl_get('u_ignoreflood'))
{
if ($user->data['user_last_search'] > time() - $interval)
{
$template->assign_var('S_NO_SEARCH', true);
trigger_error($user->lang('NO_SEARCH_TIME', (int) ($user->data['user_last_search'] + $interval - time())));
}
}

// Define some vars
$limit_days = array(0 => $user->lang['ALL_RESULTS'], 1 => $user->lang['1_DAY'], 7 => $user->lang['7_DAYS'], 14 => $user->lang['2_WEEKS'], 30 => $user->lang['1_MONTH'], 90 => $user->lang['3_MONTHS'], 180 => $user->lang['6_MONTHS'], 365 => $user->lang['1_YEAR']);
$sort_by_text = array('a' => $user->lang['SORT_AUTHOR'], 't' => $user->lang['SORT_TIME'], 'f' => $user->lang['SORT_FORUM'], 'i' => $user->lang['SORT_TOPIC_TITLE'], 's' => $user->lang['SORT_POST_SUBJECT']);

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

$phpbb_content_visibility = $phpbb_container->get('content.visibility');
$pagination = $phpbb_container->get('pagination');

if ($keywords || $author || $author_id || $search_id || $submit)
{
// clear arrays
$id_ary = array();

// If we are looking for authors get their ids
$author_id_ary = array();
$sql_author_match = '';
if ($author_id)
{
$author_id_ary[] = $author_id;
}
else if ($author)
{
if ((strpos($author, '*') !== false) && (utf8_strlen(str_replace(array('*', '%'), '', $author)) < $config['min_search_author_chars']))
{
trigger_error($user->lang('TOO_FEW_AUTHOR_CHARS', (int) $config['min_search_author_chars']));
}

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

$sql = 'SELECT user_id
FROM ' . USERS_TABLE . "
WHERE $sql_where
AND user_type <> " . USER_IGNORE;
$result = $db->sql_query_limit($sql, 100);

while ($row = $db->sql_fetchrow($result))
{
$author_id_ary[] = (int) $row['user_id'];
}
$db->sql_freeresult($result);

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

$sql = 'SELECT 1 as guest_post
FROM ' . POSTS_TABLE . "
WHERE $sql_where
AND poster_id = " . ANONYMOUS;
$result = $db->sql_query_limit($sql, 1);
$found_guest_post = $db->sql_fetchfield('guest_post');
$db->sql_freeresult($result);

if ($found_guest_post)
{
$author_id_ary[] = ANONYMOUS;
$sql_author_match = (strpos($author, '*') !== false) ? ' ' . $db->sql_like_expression(str_replace('*', $db->get_any_char(), utf8_clean_string($author))) : " = '" . $db->sql_escape(utf8_clean_string($author)) . "'";
}

if (!sizeof($author_id_ary))
{
trigger_error('NO_SEARCH_RESULTS');
}
}

// if we search in an existing search result just add the additional keywords. But we need to use "all search terms"-mode
// so we can keep the old keywords in their old mode, but add the new ones as required words
if ($add_keywords)
{
if ($search_terms == 'all')
{
$keywords .= ' ' . $add_keywords;
}
else
{
$search_terms = 'all';
$keywords = implode(' |', explode(' ', preg_replace('#\s+#u', ' ', $keywords))) . ' ' .$add_keywords;
}
}

// Which forums should not be searched? Author searches are also carried out in unindexed forums
if (empty($keywords) && sizeof($author_id_ary))
{
$ex_fid_ary = array_keys($auth->acl_getf('!f_read', true));
}
else
{
$ex_fid_ary = array_unique(array_merge(array_keys($auth->acl_getf('!f_read', true)), array_keys($auth->acl_getf('!f_search', true))));
}

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

$sql = 'SELECT f.forum_id, f.forum_name, f.parent_id, f.forum_type, f.right_id, f.forum_password, f.forum_flags, fa.user_id
FROM ' . FORUMS_TABLE . ' f
LEFT JOIN ' . FORUMS_ACCESS_TABLE . " fa ON (fa.forum_id = f.forum_id
AND fa.session_id = '" . $db->sql_escape($user->session_id) . "')
$not_in_fid
ORDER BY f.left_id";
$result = $db->sql_query($sql);

$right_id = 0;
$reset_search_forum = true;
while ($row = $db->sql_fetchrow($result))
{
if ($row['forum_password'] && $row['user_id'] != $user->data['user_id'])
{
$ex_fid_ary[] = (int) $row['forum_id'];
continue;
}

// Exclude forums from active topics
if (!($row['forum_flags'] & FORUM_FLAG_ACTIVE_TOPICS) && ($search_id == 'active_topics'))
{
$ex_fid_ary[] = (int) $row['forum_id'];
continue;
}

if (sizeof($search_forum))
{
if ($search_child)
{
if (in_array($row['forum_id'], $search_forum) && $row['right_id'] > $right_id)
{
$right_id = (int) $row['right_id'];
}
else if ($row['right_id'] < $right_id)
{
continue;
}
}

if (!in_array($row['forum_id'], $search_forum))
{
$ex_fid_ary[] = (int) $row['forum_id'];
$reset_search_forum = false;
}
}
}
$db->sql_freeresult($result);

// find out in which forums the user is allowed to view posts
$m_approve_posts_fid_sql = $phpbb_content_visibility->get_global_visibility_sql('post', $ex_fid_ary, 'p.');
$m_approve_topics_fid_sql = $phpbb_content_visibility->get_global_visibility_sql('topic', $ex_fid_ary, 't.');

if ($reset_search_forum)
{
$search_forum = array();
}

// Select which method we'll use to obtain the post_id or topic_id information
$search_type = $config['search_type'];

if (!class_exists($search_type))
{
trigger_error('NO_SUCH_SEARCH_MODULE');
}
// We do some additional checks in the module to ensure it can actually be utilised
$error = false;
$search = new $search_type($error, $phpbb_root_path, $phpEx, $auth, $config, $db, $user);

if ($error)
{
trigger_error($error);
}

// let the search module split up the keywords
if ($keywords)
{
$correct_query = $search->split_keywords($keywords, $search_terms);
$common_words = $search->get_common_words();
if (!$correct_query || (!$search->get_search_query() && !sizeof($author_id_ary) && !$search_id))
{
$ignored = (sizeof($common_words)) ? sprintf($user->lang['IGNORED_TERMS_EXPLAIN'], implode(' ', $common_words)) . '<br />' : '';
$word_length = $search->get_word_length();
if ($word_length)
{
trigger_error($ignored . $user->lang('NO_KEYWORDS', $user->lang('CHARACTERS', (int) $word_length['min']), $user->lang('CHARACTERS', (int) $word_length['max'])));
}
else
{
trigger_error($ignored);
}
}
}

if (!$keywords && sizeof($author_id_ary))
{
// if it is an author search we want to show topics by default
$show_results = ($topic_id) ? 'posts' : request_var('sr', ($search_id == 'egosearch') ? 'topics' : 'posts');
$show_results = ($show_results == 'posts') ? 'posts' : 'topics';
}

// define some variables needed for retrieving post_id/topic_id information
$sort_by_sql = array('a' => 'u.username_clean', 't' => (($show_results == 'posts') ? 'p.post_time' : 't.topic_last_post_time'), 'f' => 'f.forum_id', 'i' => 't.topic_title', 's' => (($show_results == 'posts') ? 'p.post_subject' : 't.topic_title'));

// pre-made searches
$sql = $field = $l_search_title = '';
if ($search_id)
{
switch ($search_id)
{
// Oh holy Bob, bring us some activity...
case 'active_topics':
$l_search_title = $user->lang['SEARCH_ACTIVE_TOPICS'];
$show_results = 'topics';
$sort_key = 't';
$sort_dir = 'd';
$sort_days = request_var('st', 7);
$sort_by_sql['t'] = 't.topic_last_post_time';

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

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

$sql = 'SELECT t.topic_last_post_time, t.topic_id
FROM ' . TOPICS_TABLE . " t
WHERE t.topic_moved_id = 0
$last_post_time_sql
AND " . $m_approve_topics_fid_sql . '
' . ((sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('t.forum_id', $ex_fid_ary, true) : '') . '
ORDER BY t.topic_last_post_time DESC';
$field = 'topic_id';
break;

case 'unanswered':
$l_search_title = $user->lang['SEARCH_UNANSWERED'];
$show_results = request_var('sr', 'topics');
$show_results = ($show_results == 'posts') ? 'posts' : 'topics';
$sort_by_sql['t'] = ($show_results == 'posts') ? 'p.post_time' : 't.topic_last_post_time';
$sort_by_sql['s'] = ($show_results == 'posts') ? 'p.post_subject' : 't.topic_title';
$sql_sort = 'ORDER BY ' . $sort_by_sql[$sort_key] . (($sort_dir == 'a') ? ' ASC' : ' DESC');

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

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

if ($sort_key == 'a')
{
$sort_join = USERS_TABLE . ' u, ';
$sql_sort = ' AND u.user_id = p.poster_id ' . $sql_sort;
}
if ($show_results == 'posts')
{
$sql = "SELECT p.post_id
FROM $sort_join" . POSTS_TABLE . ' p, ' . TOPICS_TABLE . " t
WHERE t.topic_posts_approved = 1
AND p.topic_id = t.topic_id
$last_post_time
AND $m_approve_posts_fid_sql
" . ((sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '') . "
$sql_sort";
$field = 'post_id';
}
else
{
$sql = 'SELECT DISTINCT ' . $sort_by_sql[$sort_key] . ", p.topic_id
FROM $sort_join" . POSTS_TABLE . ' p, ' . TOPICS_TABLE . " t
WHERE t.topic_posts_approved = 1
AND t.topic_moved_id = 0
AND p.topic_id = t.topic_id
$last_post_time
AND $m_approve_topics_fid_sql
" . ((sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '') . "
$sql_sort";
$field = 'topic_id';
}
break;

case 'unreadposts':
$l_search_title = $user->lang['SEARCH_UNREAD'];
// force sorting
$show_results = 'topics';
$sort_key = 't';
$sort_by_sql['t'] = 't.topic_last_post_time';
$sql_sort = 'ORDER BY ' . $sort_by_sql[$sort_key] . (($sort_dir == 'a') ? ' ASC' : ' DESC');

$sql_where = 'AND t.topic_moved_id = 0
AND ' . $m_approve_topics_fid_sql . '
' . ((sizeof($ex_fid_ary)) ? 'AND ' . $db->sql_in_set('t.forum_id', $ex_fid_ary, true) : '');

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

case 'newposts':
$l_search_title = $user->lang['SEARCH_NEW'];
// force sorting
$show_results = (request_var('sr', 'topics') == 'posts') ? 'posts' : 'topics';
$sort_key = 't';
$sort_dir = 'd';
$sort_by_sql['t'] = ($show_results == 'posts') ? 'p.post_time' : 't.topic_last_post_time';
$sql_sort = 'ORDER BY ' . $sort_by_sql[$sort_key] . (($sort_dir == 'a') ? ' ASC' : ' DESC');

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

if ($show_results == 'posts')
{
$sql = 'SELECT p.post_id
FROM ' . POSTS_TABLE . ' p
WHERE p.post_time > ' . $user->data['user_lastvisit'] . '
AND ' . $m_approve_posts_fid_sql . '
' . ((sizeof($ex_fid_ary)) ? ' AND ' . $db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '') . "
$sql_sort";
$field = 'post_id';
}
else
{
$sql = 'SELECT t.topic_id
FROM ' . TOPICS_TABLE . ' t
WHERE t.topic_last_post_time > ' . $user->data['user_lastvisit'] . '
AND t.topic_moved_id = 0
AND ' . $m_approve_topics_fid_sql . '
' . ((sizeof($ex_fid_ary)) ? 'AND ' . $db->sql_in_set('t.forum_id', $ex_fid_ary, true) : '') . "
$sql_sort";
/*
[Fix] queued replies missing from "view new posts" (Bug #42705 - Patch by Paul)
- Creates temporary table, query is far from optimized

$sql = 'SELECT t.topic_id
FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . ' p
WHERE p.post_time > ' . $user->data['user_lastvisit'] . '
AND t.topic_id = p.topic_id
AND t.topic_moved_id = 0
AND ' . $m_approve_topics_fid_sql . "
GROUP BY t.topic_id
$sql_sort";
*/
$field = 'topic_id';
}
break;

case 'egosearch':
$l_search_title = $user->lang['SEARCH_SELF'];
break;
}
}

// show_results should not change after this
$per_page = ($show_results == 'posts') ? $config['posts_per_page'] : $config['topics_per_page'];
$total_match_count = 0;

// Set limit for the $total_match_count to reduce server load
$total_matches_limit = 1000;
$found_more_search_matches = false;

if ($search_id)
{
if ($sql)
{
// Only return up to $total_matches_limit+1 ids (the last one will be removed later)
$result = $db->sql_query_limit($sql, $total_matches_limit + 1);

while ($row = $db->sql_fetchrow($result))
{
$id_ary[] = (int) $row[$field];
}
$db->sql_freeresult($result);
}
else if ($search_id == 'unreadposts')
{
// Only return up to $total_matches_limit+1 ids (the last one will be removed later)
$id_ary = array_keys(get_unread_topics($user->data['user_id'], $sql_where, $sql_sort, $total_matches_limit + 1));
}
else
{
$search_id = '';
}

$total_match_count = sizeof($id_ary);
if ($total_match_count)
{
// Limit the number to $total_matches_limit for pre-made searches
if ($total_match_count > $total_matches_limit)
{
$found_more_search_matches = true;
$total_match_count = $total_matches_limit;
}

// Make sure $start is set to the last page if it exceeds the amount
$start = $pagination->validate_start($start, $per_page, $total_match_count);

$id_ary = array_slice($id_ary, $start, $per_page);
}
else
{
// Set $start to 0 if no matches were found
$start = 0;
}
}

// make sure that some arrays are always in the same order
sort($ex_fid_ary);
sort($author_id_ary);

if ($search->get_search_query())
{
$total_match_count = $search->keyword_search($show_results, $search_fields, $search_terms, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_posts_fid_sql, $topic_id, $author_id_ary, $sql_author_match, $id_ary, $start, $per_page);
}
else if (sizeof($author_id_ary))
{
$firstpost_only = ($search_fields === 'firstpost' || $search_fields == 'titleonly') ? true : false;
$total_match_count = $search->author_search($show_results, $firstpost_only, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $m_approve_posts_fid_sql, $topic_id, $author_id_ary, $sql_author_match, $id_ary, $start, $per_page);
}

$sql_where = '';

if (sizeof($id_ary))
{
$sql_where .= $db->sql_in_set(($show_results == 'posts') ? 'p.post_id' : 't.topic_id', $id_ary);
$sql_where .= (sizeof($ex_fid_ary)) ? ' AND (' . $db->sql_in_set('f.forum_id', $ex_fid_ary, true) . ' OR f.forum_id IS NULL)' : '';
$sql_where .= ' AND ' . (($show_results == 'posts') ? $m_approve_posts_fid_sql : $m_approve_topics_fid_sql);
}

if ($show_results == 'posts')
{
include($phpbb_root_path . 'includes/functions_posting.' . $phpEx);
}
else
{
include($phpbb_root_path . 'includes/functions_display.' . $phpEx);
}

$user->add_lang('viewtopic');

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

// define some vars for urls
// A single wildcard will make the search results look ugly
$hilit = phpbb_clean_search_string(str_replace(array('+', '-', '|', '(', ')', '&quot;'), ' ', $keywords));
$hilit = str_replace(' ', '|', $hilit);

$u_hilit = urlencode(htmlspecialchars_decode(str_replace('|', ' ', $hilit)));
$u_show_results = '&amp;sr=' . $show_results;
$u_search_forum = implode('&amp;fid%5B%5D=', $search_forum);

$u_search = append_sid("{$phpbb_root_path}search.$phpEx", $u_sort_param . $u_show_results);
$u_search .= ($search_id) ? '&amp;search_id=' . $search_id : '';
$u_search .= ($u_hilit) ? '&amp;keywords=' . urlencode(htmlspecialchars_decode($keywords)) : '';
$u_search .= ($search_terms != 'all') ? '&amp;terms=' . $search_terms : '';
$u_search .= ($topic_id) ? '&amp;t=' . $topic_id : '';
$u_search .= ($author) ? '&amp;author=' . urlencode(htmlspecialchars_decode($author)) : '';
$u_search .= ($author_id) ? '&amp;author_id=' . $author_id : '';
$u_search .= ($u_search_forum) ? '&amp;fid%5B%5D=' . $u_search_forum : '';
$u_search .= (!$search_child) ? '&amp;sc=0' : '';
$u_search .= ($search_fields != 'all') ? '&amp;sf=' . $search_fields : '';
$u_search .= ($return_chars != 300) ? '&amp;ch=' . $return_chars : '';

if ($sql_where)
{
if ($show_results == 'posts')
{
// @todo Joining this query to the one below?
$sql = 'SELECT zebra_id, friend, foe
FROM ' . ZEBRA_TABLE . '
WHERE user_id = ' . $user->data['user_id'];
$result = $db->sql_query($sql);

$zebra = array();
while ($row = $db->sql_fetchrow($result))
{
$zebra[($row['friend']) ? 'friend' : 'foe'][] = $row['zebra_id'];
}
$db->sql_freeresult($result);

$sql_array = array(
'SELECT' => 'p.*, f.forum_id, f.forum_name, t.*, u.username, u.username_clean, u.user_sig, u.user_sig_bbcode_uid, u.user_colour',
'FROM' => array(
POSTS_TABLE => 'p',
),
'LEFT_JOIN' => array(
array(
'FROM' => array(TOPICS_TABLE => 't'),
'ON' => 'p.topic_id = t.topic_id',
),
array(
'FROM' => array(FORUMS_TABLE => 'f'),
'ON' => 'p.forum_id = f.forum_id',
),
array(
'FROM' => array(USERS_TABLE => 'u'),
'ON' => 'p.poster_id = u.user_id',
),
),
'WHERE' => $sql_where,
'ORDER_BY' => $sort_by_sql[$sort_key] . ' ' . (($sort_dir == 'd') ? 'DESC' : 'ASC'),
);

/**
* Event to modify the SQL query before the posts data is retrieved
*
* @event core.search_get_posts_data
* @var array sql_array The SQL array
* @var array zebra Array of zebra data for the current user
* @var int total_match_count The total number of search matches
* @var string keywords String of the specified keywords
* @var array sort_by_sql Array of SQL sorting instructions
* @var string s_sort_dir The sort direction
* @var string s_sort_key The sort key
* @var string s_limit_days Limit the age of results
* @var array ex_fid_ary Array of excluded forum ids
* @var array author_id_ary Array of exclusive author ids
* @var string search_fields The data fields to search in
* @var int search_id The id of the search request
* @var int start The starting id of the results
* @since 3.1.0-b3
*/
$vars = array(
'sql_array',
'zebra',
'total_match_count',
'keywords',
'sort_by_sql',
's_sort_dir',
's_sort_key',
's_limit_days',
'ex_fid_ary',
'author_id_ary',
'search_fields',
'search_id',
'start',
);
extract($phpbb_dispatcher->trigger_event('core.search_get_posts_data', compact($vars)));

$sql = $db->sql_build_query('SELECT', $sql_array);
}
else
{
$sql_from = TOPICS_TABLE . ' t
LEFT JOIN ' . FORUMS_TABLE . ' f ON (f.forum_id = t.forum_id)
' . (($sort_key == 'a') ? ' LEFT JOIN ' . USERS_TABLE . ' u ON (u.user_id = t.topic_poster) ' : '');
$sql_select = 't.*, f.forum_id, f.forum_name';

if ($user->data['is_registered'])
{
if ($config['load_db_track'] && $author_id !== $user->data['user_id'])
{
$sql_from .= ' LEFT JOIN ' . TOPICS_POSTED_TABLE . ' tp ON (tp.user_id = ' . $user->data['user_id'] . '
AND t.topic_id = tp.topic_id)';
$sql_select .= ', tp.topic_posted';
}

if ($config['load_db_lastread'])
{
$sql_from .= ' LEFT JOIN ' . TOPICS_TRACK_TABLE . ' tt ON (tt.user_id = ' . $user->data['user_id'] . '
AND t.topic_id = tt.topic_id)
LEFT JOIN ' . FORUMS_TRACK_TABLE . ' ft ON (ft.user_id = ' . $user->data['user_id'] . '
AND ft.forum_id = f.forum_id)';
$sql_select .= ', tt.mark_time, ft.mark_time as f_mark_time';
}
}

if ($config['load_anon_lastread'] || ($user->data['is_registered'] && !$config['load_db_lastread']))
{
$tracking_topics = $request->variable($config['cookie_name'] . '_track', '', true, \phpbb\request\request_interface::COOKIE);
$tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array();
}

/**
* Event to modify the SQL query before the topic data is retrieved
*
* @event core.search_get_topic_data
* @var string sql_select The SQL SELECT string used by search to get topic data
* @var string sql_from The SQL FROM string used by search to get topic data
* @var string sql_where The SQL WHERE string used by search to get topic data
* @var int total_match_count The total number of search matches
* @since 3.1.0-a1
* @changed 3.1.0-RC5 Added total_match_count
*/
$vars = array('sql_select', 'sql_from', 'sql_where', 'total_match_count');
extract($phpbb_dispatcher->trigger_event('core.search_get_topic_data', compact($vars)));

$sql = "SELECT $sql_select
FROM $sql_from
WHERE $sql_where";
$sql .= ' ORDER BY ' . $sort_by_sql[$sort_key] . ' ' . (($sort_dir == 'd') ? 'DESC' : 'ASC');
}
$result = $db->sql_query($sql);
$result_topic_id = 0;

$rowset = array();

if ($show_results == 'topics')
{
$forums = $rowset = $shadow_topic_list = array();
while ($row = $db->sql_fetchrow($result))
{
$row['forum_id'] = (int) $row['forum_id'];
$row['topic_id'] = (int) $row['topic_id'];

if ($row['topic_status'] == ITEM_MOVED)
{
$shadow_topic_list[$row['topic_moved_id']] = $row['topic_id'];
}

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

if (!isset($forums[$row['forum_id']]) && $user->data['is_registered'] && $config['load_db_lastread'])
{
$forums[$row['forum_id']]['mark_time'] = $row['f_mark_time'];
}
$forums[$row['forum_id']]['topic_list'][] = $row['topic_id'];
$forums[$row['forum_id']]['rowset'][$row['topic_id']] = &$rowset[$row['topic_id']];
}
$db->sql_freeresult($result);

// If we have some shadow topics, update the rowset to reflect their topic information
if (sizeof($shadow_topic_list))
{
$sql = 'SELECT *
FROM ' . TOPICS_TABLE . '
WHERE ' . $db->sql_in_set('topic_id', array_keys($shadow_topic_list));
$result = $db->sql_query($sql);

while ($row = $db->sql_fetchrow($result))
{
$orig_topic_id = $shadow_topic_list[$row['topic_id']];

// We want to retain some values
$row = array_merge($row, array(
'topic_moved_id' => $rowset[$orig_topic_id]['topic_moved_id'],
'topic_status' => $rowset[$orig_topic_id]['topic_status'],
'forum_name' => $rowset[$orig_topic_id]['forum_name'])
);

$rowset[$orig_topic_id] = $row;
}
$db->sql_freeresult($result);
}
unset($shadow_topic_list);

foreach ($forums as $forum_id => $forum)
{
if ($user->data['is_registered'] && $config['load_db_lastread'])
{
$topic_tracking_info[$forum_id] = get_topic_tracking($forum_id, $forum['topic_list'], $forum['rowset'], array($forum_id => $forum['mark_time']));
}
else if ($config['load_anon_lastread'] || $user->data['is_registered'])
{
$topic_tracking_info[$forum_id] = get_complete_topic_tracking($forum_id, $forum['topic_list']);

if (!$user->data['is_registered'])
{
$user->data['user_lastmark'] = (isset($tracking_topics['l'])) ? (int) (base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate']) : 0;
}
}
}
unset($forums);
}
else
{
$bbcode_bitfield = $text_only_message = '';
$attach_list = array();

while ($row = $db->sql_fetchrow($result))
{
// We pre-process some variables here for later usage
$row['post_text'] = censor_text($row['post_text']);

$text_only_message = $row['post_text'];
// make list items visible as such
if ($row['bbcode_uid'])
{
$text_only_message = str_replace('[*:' . $row['bbcode_uid'] . ']', '&sdot;&nbsp;', $text_only_message);
// no BBCode in text only message
strip_bbcode($text_only_message, $row['bbcode_uid']);
}

if ($return_chars == -1 || utf8_strlen($text_only_message) < ($return_chars + 3))
{
$row['display_text_only'] = false;
$bbcode_bitfield = $bbcode_bitfield | base64_decode($row['bbcode_bitfield']);

// Does this post have an attachment? If so, add it to the list
if ($row['post_attachment'] && $config['allow_attachments'])
{
$attach_list[$row['forum_id']][] = $row['post_id'];
}
}
else
{
$row['post_text'] = $text_only_message;
$row['display_text_only'] = true;
}

$rowset[] = $row;
}
$db->sql_freeresult($result);

unset($text_only_message);

// Instantiate BBCode if needed
if ($bbcode_bitfield !== '')
{
include_once($phpbb_root_path . 'includes/bbcode.' . $phpEx);
$bbcode = new bbcode(base64_encode($bbcode_bitfield));
}

// Pull attachment data
if (sizeof($attach_list))
{
$use_attach_list = $attach_list;
$attach_list = array();

foreach ($use_attach_list as $forum_id => $_list)
{
if ($auth->acl_get('u_download') && $auth->acl_get('f_download', $forum_id))
{
$attach_list = array_merge($attach_list, $_list);
}
}
}

if (sizeof($attach_list))
{
$sql = 'SELECT *
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set('post_msg_id', $attach_list) . '
AND in_message = 0
ORDER BY filetime 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);
}
}

if ($hilit)
{
// Remove bad highlights
$hilit_array = array_filter(explode('|', $hilit), 'strlen');
foreach ($hilit_array as $key => $value)
{
$hilit_array[$key] = phpbb_clean_search_string($value);
$hilit_array[$key] = str_replace('\*', '\w*?', preg_quote($hilit_array[$key], '#'));
$hilit_array[$key] = preg_replace('#(^|\s)\\\\w\*\?(\s|$)#', '$1\w+?$2', $hilit_array[$key]);
}
$hilit = implode('|', $hilit_array);
}

/**
* Modify the rowset data
*
* @event core.search_modify_rowset
* @var array attachments Array with posts attachments data
* @var string hilit String to highlight
* @var array rowset Array with the search results data
* @var string show_results String indicating the show results mode
* @var array topic_tracking_info Array with the topics tracking data
* @var string u_hilit Highlight string to be injected into URL
* @var string view Search results view mode
* @var array zebra Array with zebra data for the current user
* @since 3.1.0-b4
* @changed 3.1.0-b5 Added var show_results
*/
$vars = array(
'attachments',
'hilit',
'rowset',
'show_results',
'topic_tracking_info',
'u_hilit',
'view',
'zebra',
);
extract($phpbb_dispatcher->trigger_event('core.search_modify_rowset', compact($vars)));

foreach ($rowset as $row)
{
$forum_id = $row['forum_id'];
$result_topic_id = $row['topic_id'];
$topic_title = censor_text($row['topic_title']);
$replies = $phpbb_content_visibility->get_count('topic_posts', $row, $forum_id) - 1;

$view_topic_url_params = "f=$forum_id&amp;t=$result_topic_id" . (($u_hilit) ? "&amp;hilit=$u_hilit" : '');
$view_topic_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", $view_topic_url_params);

if ($show_results == 'topics')
{
if ($config['load_db_track'] && $author_id === $user->data['user_id'])
{
$row['topic_posted'] = 1;
}

$folder_img = $folder_alt = $topic_type = '';
topic_status($row, $replies, (isset($topic_tracking_info[$forum_id][$row['topic_id']]) && $row['topic_last_post_time'] > $topic_tracking_info[$forum_id][$row['topic_id']]) ? true : false, $folder_img, $folder_alt, $topic_type);

$unread_topic = (isset($topic_tracking_info[$forum_id][$row['topic_id']]) && $row['topic_last_post_time'] > $topic_tracking_info[$forum_id][$row['topic_id']]) ? true : false;

$topic_unapproved = (($row['topic_visibility'] == ITEM_UNAPPROVED || $row['topic_visibility'] == ITEM_REAPPROVE) && $auth->acl_get('m_approve', $forum_id)) ? true : false;
$posts_unapproved = ($row['topic_visibility'] == ITEM_APPROVED && $row['topic_posts_unapproved'] && $auth->acl_get('m_approve', $forum_id)) ? true : false;
$topic_deleted = $row['topic_visibility'] == ITEM_DELETED;
$u_mcp_queue = ($topic_unapproved || $posts_unapproved) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=queue&amp;mode=' . (($topic_unapproved) ? 'approve_details' : 'unapproved_posts') . "&amp;t=$result_topic_id", true, $user->session_id) : '';
$u_mcp_queue = (!$u_mcp_queue && $topic_deleted) ? append_sid("{$phpbb_root_path}mcp.$phpEx", "i=queue&amp;mode=deleted_topics&amp;t=$result_topic_id", true, $user->session_id) : '';

$row['topic_title'] = preg_replace('#(?!<.*)(?<!\w)(' . $hilit . ')(?!\w|[^<>]*(?:</s(?:cript|tyle))?>)#is', '<span class="posthilit">$1</span>', $row['topic_title']);

$tpl_ary = array(
'TOPIC_AUTHOR' => get_username_string('username', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']),
'TOPIC_AUTHOR_COLOUR' => get_username_string('colour', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']),
'TOPIC_AUTHOR_FULL' => get_username_string('full', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']),
'FIRST_POST_TIME' => $user->format_date($row['topic_time']),
'LAST_POST_SUBJECT' => $row['topic_last_post_subject'],
'LAST_POST_TIME' => $user->format_date($row['topic_last_post_time']),
'LAST_VIEW_TIME' => $user->format_date($row['topic_last_view_time']),
'LAST_POST_AUTHOR' => get_username_string('username', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']),
'LAST_POST_AUTHOR_COLOUR' => get_username_string('colour', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']),
'LAST_POST_AUTHOR_FULL' => get_username_string('full', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']),

'TOPIC_TYPE' => $topic_type,

'TOPIC_IMG_STYLE' => $folder_img,
'TOPIC_FOLDER_IMG' => $user->img($folder_img, $folder_alt),
'TOPIC_FOLDER_IMG_ALT' => $user->lang[$folder_alt],

'TOPIC_ICON_IMG' => (!empty($icons[$row['icon_id']])) ? $icons[$row['icon_id']]['img'] : '',
'TOPIC_ICON_IMG_WIDTH' => (!empty($icons[$row['icon_id']])) ? $icons[$row['icon_id']]['width'] : '',
'TOPIC_ICON_IMG_HEIGHT' => (!empty($icons[$row['icon_id']])) ? $icons[$row['icon_id']]['height'] : '',
'ATTACH_ICON_IMG' => ($auth->acl_get('u_download') && $auth->acl_get('f_download', $forum_id) && $row['topic_attachment']) ? $user->img('icon_topic_attach', $user->lang['TOTAL_ATTACHMENTS']) : '',
'UNAPPROVED_IMG' => ($topic_unapproved || $posts_unapproved) ? $user->img('icon_topic_unapproved', ($topic_unapproved) ? 'TOPIC_UNAPPROVED' : 'POSTS_UNAPPROVED') : '',

'S_TOPIC_TYPE' => $row['topic_type'],
'S_USER_POSTED' => (!empty($row['topic_posted'])) ? true : false,
'S_UNREAD_TOPIC' => $unread_topic,

'S_TOPIC_REPORTED' => (!empty($row['topic_reported']) && $auth->acl_get('m_report', $forum_id)) ? true : false,
'S_TOPIC_UNAPPROVED' => $topic_unapproved,
'S_POSTS_UNAPPROVED' => $posts_unapproved,
'S_TOPIC_DELETED' => $topic_deleted,
'S_HAS_POLL' => ($row['poll_start']) ? true : false,

'U_LAST_POST' => append_sid("{$phpbb_root_path}viewtopic.$phpEx", $view_topic_url_params . '&amp;p=' . $row['topic_last_post_id']) . '#p' . $row['topic_last_post_id'],
'U_LAST_POST_AUTHOR' => get_username_string('profile', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']),
'U_TOPIC_AUTHOR' => get_username_string('profile', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']),
'U_NEWEST_POST' => append_sid("{$phpbb_root_path}viewtopic.$phpEx", $view_topic_url_params . '&amp;view=unread') . '#unread',
'U_MCP_REPORT' => append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=reports&amp;mode=reports&amp;t=' . $result_topic_id, true, $user->session_id),
'U_MCP_QUEUE' => $u_mcp_queue,
);
}
else
{
if ((isset($zebra['foe']) && in_array($row['poster_id'], $zebra['foe'])) && (!$view || $view != 'show' || $post_id != $row['post_id']))
{
$template->assign_block_vars('searchresults', array(
'S_IGNORE_POST' => true,

'L_IGNORE_POST' => sprintf($user->lang['POST_BY_FOE'], $row['username'], "<a href=\"$u_search&amp;start=$start&amp;p=" . $row['post_id'] . '&amp;view=show#p' . $row['post_id'] . '">', '</a>'))
);

continue;
}

// Replace naughty words such as farty pants
$row['post_subject'] = censor_text($row['post_subject']);

if ($row['display_text_only'])
{
// now find context for the searched words
$row['post_text'] = get_context($row['post_text'], array_filter(explode('|', $hilit), 'strlen'), $return_chars);
$row['post_text'] = bbcode_nl2br($row['post_text']);
}
else
{
$parse_flags = ($row['bbcode_bitfield'] ? OPTION_FLAG_BBCODE : 0) | OPTION_FLAG_SMILIES;
$row['post_text'] = generate_text_for_display($row['post_text'], $row['bbcode_uid'], $row['bbcode_bitfield'], $parse_flags, false);

if (!empty($attachments[$row['post_id']]))
{
parse_attachments($forum_id, $row['post_text'], $attachments[$row['post_id']], $update_count);

// we only display inline attachments
unset($attachments[$row['post_id']]);
}
}

if ($hilit)
{
// post highlighting
$row['post_text'] = preg_replace('#(?!<.*)(?<!\w)(' . $hilit . ')(?!\w|[^<>]*(?:</s(?:cript|tyle))?>)#is', '<span class="posthilit">$1</span>', $row['post_text']);
$row['post_subject'] = preg_replace('#(?!<.*)(?<!\w)(' . $hilit . ')(?!\w|[^<>]*(?:</s(?:cript|tyle))?>)#is', '<span class="posthilit">$1</span>', $row['post_subject']);
}

$tpl_ary = array(
'POST_AUTHOR_FULL' => get_username_string('full', $row['poster_id'], $row['username'], $row['user_colour'], $row['post_username']),
'POST_AUTHOR_COLOUR' => get_username_string('colour', $row['poster_id'], $row['username'], $row['user_colour'], $row['post_username']),
'POST_AUTHOR' => get_username_string('username', $row['poster_id'], $row['username'], $row['user_colour'], $row['post_username']),
'U_POST_AUTHOR' => get_username_string('profile', $row['poster_id'], $row['username'], $row['user_colour'], $row['post_username']),

'POST_SUBJECT' => $row['post_subject'],
'POST_DATE' => (!empty($row['post_time'])) ? $user->format_date($row['post_time']) : '',
'MESSAGE' => $row['post_text']
);
}

$tpl_ary = array_merge($tpl_ary, array(
'FORUM_ID' => $forum_id,
'TOPIC_ID' => $result_topic_id,
'POST_ID' => ($show_results == 'posts') ? $row['post_id'] : false,

'FORUM_TITLE' => $row['forum_name'],
'TOPIC_TITLE' => $topic_title,
'TOPIC_REPLIES' => $replies,
'TOPIC_VIEWS' => $row['topic_views'],

'U_VIEW_TOPIC' => $view_topic_url,
'U_VIEW_FORUM' => append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $forum_id),
'U_VIEW_POST' => (!empty($row['post_id'])) ? append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&amp;t=" . $row['topic_id'] . '&amp;p=' . $row['post_id'] . (($u_hilit) ? '&amp;hilit=' . $u_hilit : '')) . '#p' . $row['post_id'] : '',
));

/**
* Modify the topic data before it is assigned to the template
*
* @event core.search_modify_tpl_ary
* @var array row Array with topic data
* @var array tpl_ary Template block array with topic data
* @var string show_results Display topics or posts
* @var string topic_title Cleaned topic title
* @var int replies The number of topic replies
* @var string view_topic_url The URL to the topic
* @var string folder_img The folder image of the topic
* @var string folder_alt The alt attribute of the topic folder img
* @var int topic_type The topic type
* @var bool unread_topic Whether the topic has unread posts
* @var bool topic_unapproved Whether the topic is unapproved
* @var int posts_unapproved The number of unapproved posts
* @var bool topic_deleted Whether the topic has been deleted
* @var string u_mcp_queue The URL to the corresponding MCP queue page
* @var array zebra The zebra data of the current user
* @var array attachments All the attachments of the search results
* @since 3.1.0-a1
* @changed 3.1.0-b3 Added vars show_results, topic_title, replies,
* view_topic_url, folder_img, folder_alt, topic_type, unread_topic,
* topic_unapproved, posts_unapproved, topic_deleted, u_mcp_queue,
* zebra, attachments
*/
$vars = array(
'row',
'tpl_ary',
'show_results',
'topic_title',
'replies',
'view_topic_url',
'folder_img',
'folder_alt',
'topic_type',
'unread_topic',
'topic_unapproved',
'posts_unapproved',
'topic_deleted',
'u_mcp_queue',
'zebra',
'attachments',
);
extract($phpbb_dispatcher->trigger_event('core.search_modify_tpl_ary', compact($vars)));

$template->assign_block_vars('searchresults', $tpl_ary);

if ($show_results == 'topics')
{
$pagination->generate_template_pagination($view_topic_url, 'searchresults.pagination', 'start', $replies + 1, $config['posts_per_page'], 1, true, true);
}
}

if ($topic_id && ($topic_id == $result_topic_id))
{
$template->assign_vars(array(
'SEARCH_TOPIC' => $topic_title,
'L_RETURN_TO_TOPIC' => $user->lang('RETURN_TO', $topic_title),
'U_SEARCH_TOPIC' => $view_topic_url
));
}
}
unset($rowset);

// Output header
if ($found_more_search_matches)
{
$l_search_matches = $user->lang('FOUND_MORE_SEARCH_MATCHES', (int) $total_match_count);
}
else
{
$l_search_matches = $user->lang('FOUND_SEARCH_MATCHES', (int) $total_match_count);
}

// Check if search backend supports phrase search or not
$phrase_search_disabled = '';
if (strpos(html_entity_decode($keywords), '"') !== false && method_exists($search, 'supports_phrase_search'))
{
$phrase_search_disabled = $search->supports_phrase_search() ? false : true;
}

$pagination->generate_template_pagination($u_search, 'pagination', 'start', $total_match_count, $per_page, $start);

$template->assign_vars(array(
'SEARCH_TITLE' => $l_search_title,
'SEARCH_MATCHES' => $l_search_matches,
'SEARCH_WORDS' => $keywords,
'SEARCHED_QUERY' => $search->get_search_query(),
'IGNORED_WORDS' => (!empty($common_words)) ? implode(' ', $common_words) : '',

'PHRASE_SEARCH_DISABLED' => $phrase_search_disabled,

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

'S_SELECT_SORT_DIR' => $s_sort_dir,
'S_SELECT_SORT_KEY' => $s_sort_key,
'S_SELECT_SORT_DAYS' => $s_limit_days,
'S_SEARCH_ACTION' => $u_search,
'S_SHOW_TOPICS' => ($show_results == 'posts') ? false : true,

'GOTO_PAGE_IMG' => $user->img('icon_post_target', 'GOTO_PAGE'),
'NEWEST_POST_IMG' => $user->img('icon_topic_newest', 'VIEW_NEWEST_POST'),
'REPORTED_IMG' => $user->img('icon_topic_reported', 'TOPIC_REPORTED'),
'UNAPPROVED_IMG' => $user->img('icon_topic_unapproved', 'TOPIC_UNAPPROVED'),
'DELETED_IMG' => $user->img('icon_topic_deleted', 'TOPIC_DELETED'),
'POLL_IMG' => $user->img('icon_topic_poll', 'TOPIC_POLL'),
'LAST_POST_IMG' => $user->img('icon_topic_latest', 'VIEW_LATEST_POST'),

'U_SEARCH_WORDS' => $u_search,
));

/**
* Modify the title and/or load data for the search results page
*
* @event core.search_results_modify_search_title
* @var int author_id ID of the author to search by
* @var string l_search_title The title of the search page
* @var string search_id Predefined search type name
* @var string show_results Search results output mode - topics or posts
* @var int start The starting id of the results
* @since 3.1.0-RC4
*/
$vars = array('author_id', 'l_search_title', 'search_id', 'show_results', 'start');
extract($phpbb_dispatcher->trigger_event('core.search_results_modify_search_title', compact($vars)));

page_header(($l_search_title) ? $l_search_title : $user->lang['SEARCH']);

$template->set_filenames(array(
'body' => 'search_results.html')
);
make_jumpbox(append_sid("{$phpbb_root_path}viewforum.$phpEx"));

page_footer();
}

// Search forum
$s_forums = '';
$sql = 'SELECT f.forum_id, f.forum_name, f.parent_id, f.forum_type, f.left_id, f.right_id, f.forum_password, f.enable_indexing, fa.user_id
FROM ' . FORUMS_TABLE . ' f
LEFT JOIN ' . FORUMS_ACCESS_TABLE . " fa ON (fa.forum_id = f.forum_id
AND fa.session_id = '" . $db->sql_escape($user->session_id) . "')
ORDER BY f.left_id ASC";
$result = $db->sql_query($sql);

$right = $cat_right = $padding_inc = 0;
$padding = $forum_list = $holding = '';
$pad_store = array('0' => '');

while ($row = $db->sql_fetchrow($result))
{
if ($row['forum_type'] == FORUM_CAT && ($row['left_id'] + 1 == $row['right_id']))
{
// Non-postable forum with no subforums, don't display
continue;
}

if ($row['forum_type'] == FORUM_POST && ($row['left_id'] + 1 == $row['right_id']) && !$row['enable_indexing'])
{
// Postable forum with no subforums and indexing disabled, don't display
continue;
}

if ($row['forum_type'] == FORUM_LINK || ($row['forum_password'] && !$row['user_id']))
{
// if this forum is a link or password protected (user has not entered the password yet) then skip to the next branch
continue;
}

if ($row['left_id'] < $right)
{
$padding .= '&nbsp; &nbsp;';
$pad_store[$row['parent_id']] = $padding;
}
else if ($row['left_id'] > $right + 1)
{
if (isset($pad_store[$row['parent_id']]))
{
$padding = $pad_store[$row['parent_id']];
}
else
{
continue;
}
}

$right = $row['right_id'];

if ($auth->acl_gets('!f_search', '!f_list', $row['forum_id']))
{
// if the user does not have permissions to search or see this forum skip only this forum/category
continue;
}

$selected = (in_array($row['forum_id'], $search_forum)) ? ' selected="selected"' : '';

if ($row['left_id'] > $cat_right)
{
// make sure we don't forget anything
$s_forums .= $holding;
$holding = '';
}

if ($row['right_id'] - $row['left_id'] > 1)
{
$cat_right = max($cat_right, $row['right_id']);

$holding .= '<option value="' . $row['forum_id'] . '"' . $selected . '>' . $padding . $row['forum_name'] . '</option>';
}
else
{
$s_forums .= $holding . '<option value="' . $row['forum_id'] . '"' . $selected . '>' . $padding . $row['forum_name'] . '</option>';
$holding = '';
}
}

if ($holding)
{
$s_forums .= $holding;
}

$db->sql_freeresult($result);
unset($pad_store);

if (!$s_forums)
{
trigger_error('NO_SEARCH');
}

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

for ($i = 100; $i <= 1000; $i += 100)
{
$selected = ($i == 300) ? ' selected="selected"' : '';
$s_characters .= '<option value="' . $i . '"' . $selected . '>' . $i . '</option>';
}

$s_hidden_fields = array('t' => $topic_id);

if ($_SID)
{
$s_hidden_fields['sid'] = $_SID;
}

if (!empty($_EXTRA_URL))
{
foreach ($_EXTRA_URL as $url_param)
{
$url_param = explode('=', $url_param, 2);
$s_hidden_fields[$url_param[0]] = $url_param[1];
}
}

$template->assign_vars(array(
'S_SEARCH_ACTION' => append_sid("{$phpbb_root_path}search.$phpEx", false, true, 0), // We force no ?sid= appending by using 0
'S_HIDDEN_FIELDS' => build_hidden_fields($s_hidden_fields),
'S_CHARACTER_OPTIONS' => $s_characters,
'S_FORUM_OPTIONS' => $s_forums,
'S_SELECT_SORT_DIR' => $s_sort_dir,
'S_SELECT_SORT_KEY' => $s_sort_key,
'S_SELECT_SORT_DAYS' => $s_limit_days,
'S_IN_SEARCH' => true,
));

// only show recent searches to search administrators
if ($auth->acl_get('a_search'))
{
// Handle large objects differently for Oracle and MSSQL
switch ($db->get_sql_layer())
{
case 'oracle':
$sql = 'SELECT search_time, search_keywords
FROM ' . SEARCH_RESULTS_TABLE . '
WHERE dbms_lob.getlength(search_keywords) > 0
ORDER BY search_time DESC';
break;

case 'mssql':
case 'mssql_odbc':
case 'mssqlnative':
$sql = 'SELECT search_time, search_keywords
FROM ' . SEARCH_RESULTS_TABLE . '
WHERE DATALENGTH(search_keywords) > 0
ORDER BY search_time DESC';
break;

default:
$sql = 'SELECT search_time, search_keywords
FROM ' . SEARCH_RESULTS_TABLE . '
WHERE search_keywords <> \'\'
ORDER BY search_time DESC';
break;
}
$result = $db->sql_query_limit($sql, 5);

while ($row = $db->sql_fetchrow($result))
{
$keywords = $row['search_keywords'];

$template->assign_block_vars('recentsearch', array(
'KEYWORDS' => $keywords,
'TIME' => $user->format_date($row['search_time']),

'U_KEYWORDS' => append_sid("{$phpbb_root_path}search.$phpEx", 'keywords=' . urlencode(htmlspecialchars_decode($keywords)))
));
}
$db->sql_freeresult($result);
}

// Output the basic page
page_header($user->lang['SEARCH']);

$template->set_filenames(array(
'body' => 'search_body.html')
);
make_jumpbox(append_sid("{$phpbb_root_path}viewforum.$phpEx"));

page_footer();