+ // TODO: To be added to the schema

+ $config['max_smilies_inline'] = 20;

+

+ FROM " . SMILIES_TABLE . "

+ $where_sql

+ ORDER BY smile_order";

+

+ if ($mode == 'window' || ($mode == 'inline' && $num_smilies < $config['max_smilies_inline']))

+ if ($mode == 'inline' && $num_smilies >= $config['max_smilies_inline'])

+// DECODE TEXT -> This will/should be handled by bbcode.php eventually

+function decode_text(&$message)

+{

+ global $config, $censors;

+

+ $server_protocol = ($config['cookie_secure']) ? 'https://' : 'http://';

+ $server_port = ($config['server_port'] <> 80) ? ':' . trim($config['server_port']) . '/' : '/';

+

+ $match = array(

+ '#<!\-\- b \-\-><b>(.*?)</b><!\-\- b \-\->#s',

+ '#<!\-\- u \-\-><u>(.*?)</u><!\-\- u \-\->#s',

+ '#<!\-\- e \-\-><a href="mailto:(.*?)">.*?</a><!\-\- e \-\->#',

+ '#<!\-\- m \-\-><a href="(.*?)" target="_blank">.*?</a><!\-\- m \-\->#',

+ '#<!\-\- w \-\-><a href="http:\/\/(.*?)" target="_blank">.*?</a><!\-\- w \-\->#',

+ '#<!\-\- l \-\-><a href="(.*?)" target="_blank">.*?</a><!\-\- l \-\->#',

+ '#<!\-\- s(.*?) \-\-><img src="\{SMILE_PATH\}\/.*? \/><!\-\- s\1 \-\->#',

+ );

+

+ $replace = array(

+ '[b]\1[/b]',

+ '[u]\1[/u]',

+ '\1',

+ '\1',

+ '\1',

+ $server_protocol . trim($config['server_name']) . $server_port . preg_replace('/^\/?(.*?)(\/)?$/', '\1', trim($config['script_path'])) . '/\1',

+ '\1',

+ );

+

+ if (empty($censors))

+ {

+ $censors = array();

+ obtain_word_list($censors);

+ }

+

+ $message = preg_replace($match, $replace, $message);

+

+ return;

+}

+

+// Quote Text

+function quote_text(&$message, $username = '')

+{

+ $message = ' [quote' . ( (empty($username)) ? ']' : '="]' . addslashes(trim($username)) . '"]') . trim($message) . '[/quote] ';

+}

+

+<?php

+/***************************************************************************

+ * message_parser.php

+ * -------------------

+ * begin : Saturday, Feb 13, 2001

+ * copyright : (C) 2001 The phpBB Group

+ * email : support@phpbb.com

+ *

+ * $Id$

+ *

+ ***************************************************************************/

+

+/***************************************************************************

+ *

+ * This program is free software; you can redistribute it and/or modify

+ * it under the terms of the GNU General Public License as published by

+ * the Free Software Foundation; either version 2 of the License, or

+ * (at your option) any later version.

+ *

+ ***************************************************************************/

+

+// Main message parser for posting, pm, etc. takes raw message

+// and parses it for attachments, html, bbcode and smilies

+class parse_message

+{

+ var $bbcode_tpl = null;

+ var $message_mode = 0; // MSG_POST/MSG_PM

+

+ function parse_message($message_type)

+ {

+ $this->message_mode = $message_type;

+ }

+

+ function parse(&$message, $html, $bbcode, $uid, $url, $smilies)

+ {

+ global $config, $db, $user, $_FILE;

+

+ $warn_msg = '';

+

+ // Do some general 'cleanup' first before processing message,

+ // e.g. remove excessive newlines(?), smilies(?)

+ $match = array('#sid=[a-z0-9]*?&?#', "#([\r\n][\s]+){3,}#");

+ $replace = array('', "\n\n");

+

+ $message = trim(preg_replace($match, $replace, $message));

+

+ // Message length check

+ if (!strlen($message) || (intval($config['max_post_chars']) && strlen($message) > intval($config['max_post_chars'])))

+ {

+ $warn_msg .= (($warn_msg != '') ? '<br />' : '') . (!strlen($message)) ? $user->lang['TOO_FEW_CHARS'] : $user->lang['TOO_MANY_CHARS'];

+ }

+

+ // Smiley check

+ if (intval($config['max_post_smilies']) && $smilies )

+ {

+ $sql = "SELECT code

+ FROM " . SMILIES_TABLE;

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

+

+ $match = 0;

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

+ {

+ if (preg_match_all('#('. preg_quote($row['code'], '#') . ')#', $message, $matches))

+ {

+ $match++;

+ }

+

+ if ($match > intval($config['max_post_smilies']))

+ {

+ $warn_msg .= (($warn_msg != '') ? '<br />' : '') . $user->lang['TOO_MANY_SMILIES'];

+ break;

+ }

+ }

+ $db->sql_freeresult($result);

+ unset($matches);

+ }

+

+ if ($warn_msg)

+ {

+ return $warn_msg;

+ }

+

+ $warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->html($message, $html);

+ $warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->bbcode($message, $bbcode, $uid);

+ $warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->emoticons($message, $smilies);

+ $warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->magic_url($message, trim($url));

+ $warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->attach($_FILE);

+

+ return $warn_msg;

+ }

+

+ function html(&$message, $html)

+ {

+ global $config;

+

+ $message = str_replace(array('<', '>'), array('&lt;', '&gt;'), $message);

+

+ if ($html)

+ {

+ // If $html is true then "allowed_tags" are converted back from entity

+ // form, others remain

+ $allowed_tags = split(',', $config['allow_html_tags']);

+

+ if (sizeof($allowed_tags))

+ {

+ $message = preg_replace('#&lt;(\/?)(' . str_replace('*', '.*?', implode('|', $allowed_tags)) . ')&gt;#is', '<\1\2>', $message);

+ }

+ }

+

+ return;

+ }

+

+ function bbcode(&$message, $bbcode, $uid)

+ {

+ global $config;

+

+ }

+

+ // Replace magic urls of form http://xxx.xxx., www.xxx. and xxx@xxx.xxx.

+ // Cuts down displayed size of link if over 50 chars, turns absolute links

+ // into relative versions when the server/script path matches the link

+ function magic_url(&$message, $url)

+ {

+ global $config;

+

+ if ($url)

+ {

+ $server_protocol = ( $config['cookie_secure'] ) ? 'https://' : 'http://';

+ $server_port = ( $config['server_port'] <> 80 ) ? ':' . trim($config['server_port']) . '/' : '/';

+

+ $match = array();

+ $replace = array();

+

+ // relative urls for this board

+ $match[] = '#' . $server_protocol . trim($config['server_name']) . $server_port . preg_replace('/^\/?(.*?)(\/)?$/', '\1', trim($config['script_path'])) . '/([^\t\n\r <"\']+)#i';

+ $replace[] = '<!-- l --><a href="\1" target="_blank">\1</a><!-- l -->';

+

+ // matches a xxxx://aaaaa.bbb.cccc. ...

+ $match[] = '#(^|[\n ])([\w]+?://.*?[^\t\n\r<"]*)#ie';

+ $replace[] = "'\\1<!-- m --><a href=\"\\2\" target=\"_blank\">' . ( ( strlen(str_replace(' ', '%20', '\\2')) > 55 ) ?substr(str_replace(' ', '%20', '\\2'), 0, 39) . ' ... ' . substr(str_replace(' ', '%20', '\\2'), -10) : str_replace(' ', '%20', '\\2') ) . '</a><!-- m -->'";

+

+ // matches a "www.xxxx.yyyy[/zzzz]" kinda lazy URL thing

+ $match[] = '#(^|[\n ])(www\.[\w\-]+\.[\w\-.\~]+(?:/[^\t\n\r<"]*)?)#ie';

+ $replace[] = "'\\1<!-- w --><a href=\"http://\\2\" target=\"_blank\">' . ( ( strlen(str_replace(' ', '%20', '\\2')) > 55 ) ? substr(str_replace(' ', '%20', '\\2'), 0, 39) . ' ... ' . substr(str_replace(' ', '%20', '\\2'), -10) : str_replace(' ', '%20', '\\2') ) . '</a><!-- w -->'";

+

+ // matches an email@domain type address at the start of a line, or after a space.

+ $match[] = '#(^|[\n ])([a-z0-9&\-_.]+?@[\w\-]+\.([\w\-\.]+\.)?[\w]+)#ie';

+ $replace[] = "'\\1<!-- e --><a href=\"mailto:\\2\">' . ( ( strlen('\\2') > 55 ) ?substr('\\2', 0, 39) . ' ... ' . substr('\\2', -10) : '\\2' ) . '</a><!-- e -->'";

+

+ $message = preg_replace($match, $replace, $message);

+ }

+ }

+

+ function emoticons(&$message, $smile)

+ {

+ global $db, $user;

+

+ $sql = "SELECT *

+ FROM " . SMILIES_TABLE;

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

+

+ if ($row = $db->sql_fetchrow($result))

+ {

+ $match = $replace = array();

+ do

+ {

+ $match[] = "#(?<=.\W|\W.|^\W)" . preg_quote($row['code'], '#') . "(?=.\W|\W.|\W$)#";

+ $replace[] = '<!-- s' . $row['code'] . ' --><img src="{SMILE_PATH}/' . $row['smile_url'] . '" border="0" alt="' . $row['emoticon'] . '" title="' . $row['emoticon'] . '" /><!-- s' . $row['code'] . ' -->';

+ }

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

+

+ $message = preg_replace($match, $replace, ' ' . $message . ' ');

+ }

+ $db->sql_freeresult($result);

+

+ return;

+ }

+

+ function attach($file_ary)

+ {

+ global $config;

+

+ }

+

+ // Format text to be displayed - from viewtopic.php

+ function format_display($message, $html, $bbcode, $uid, $url, $smilies, $sig)

+ {

+ global $auth, $forum_id, $config, $censors;

+

+ // If the board has HTML off but the post has HTML

+ // on then we process it, else leave it alone

+ if ($html && $auth->acl_get('f_bbcode', $forum_id))

+ {

+ $message = preg_replace('#(<)([\/]?.*?)(>)#is', "&lt;\\2&gt;", $message);

+ }

+

+ // Second parse bbcode here

+

+ // If we allow users to disable display of emoticons

+ // we'll need an appropriate check and preg_replace here

+ $message = (empty($smilies) || empty($config['allow_smilies'])) ? preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILE_PATH\}\/.*? \/><!\-\- s\1 \-\->#', '\1', $message) : str_replace('<img src="{SMILE_PATH}', '<img src="' . $config['smilies_path'], $message);

+

+

+ // Replace naughty words such as farty pants

+ if (sizeof($censors))

+ {

+ $message = str_replace('\"', '"', substr(preg_replace('#(\>(((?>([^><]+|(?R)))*)\<))#se', "preg_replace(\$censors['match'], \$censors['replace'], '\\0')", '>' . $message . '<'), 1, -1));

+ }

+

+ $message = nl2br($message);

+

+ /* Signature

+ $user_sig = ($sig && $signature != '' && $config['allow_sig']) ? $row['user_sig'] : '';

+

+ if ($user_sig != '' && $auth->acl_gets('f_sigs', 'm_', 'a_', $forum_id))

+ {

+ if (!$auth->acl_get('f_html', $forum_id) && $user->data['user_allowhtml'])

+ {

+ $user_sig = preg_replace('#(<)([\/]?.*?)(>)#is', "&lt;\\2&gt;", $user_sig);

+ }

+

+ $user_cache[$poster_id]['sig'] = (empty($row['user_allowsmile']) || empty($config['enable_smilies'])) ? preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILE_PATH\}\/.*? \/><!\-\- s\1 \-\->#', '\1', $user_cache[$poster_id]['sig']) : str_replace('<img src="{SMILE_PATH}', '<img src="' . $config['smilies_path'], $user_cache[$poster_id]['sig']);

+

+ if (count($censors))

+ {

+ $user_sig = str_replace('\"', '"', substr(preg_replace('#(\>(((?>([^><]+|(?R)))*)\<))#se', "preg_replace(\$censors['match'], \$censors['replace'], '\\0')", '>' . $user_sig . '<'), 1, -1));

+ }

+

+ $user_cache[$poster_id]['sig'] = '<br />_________________<br />' . nl2br($user_cache[$poster_id]['sig']);

+ }

+ else

+ {

+ $user_cache[$poster_id]['sig'] = '';

+ }

+ */

+

+ $message = (empty($smilies) || empty($config['allow_smilies'])) ? preg_replace('#<!\-\- s(.*?) \-\-><img src="\{SMILE_PATH\}\/.*? \/><!\-\- s\1 \-\->#', '\1', $message) : str_replace('<img src="{SMILE_PATH}', '<img src="' . $config['smilies_path'], $message);

+

+ return($message);

+ }

+

+ // Submit Post

+ function submit_post($mode, $message, $subject, $username, $topic_type, $bbcode_uid, $poll, $misc_info)

+ {

+ global $db, $auth, $user, $config, $phpEx, $SID, $template;

+

+ $search = new fulltext_search();

+ $current_time = time();

+

+ $db->sql_transaction();

+

+ // Initial Topic table info

+ if ( ($mode == 'post') || ($mode == 'edit' && $misc_info['topic_first_post_id'] == $misc_info['post_id']))

+ {

+ $topic_sql = array(

+ 'forum_id' => $misc_info['forum_id'],

+ 'topic_title' => stripslashes($subject),

+ 'topic_time' => $current_time,

+ 'topic_type' => $topic_type,

+ 'topic_approved' => (($misc_info['enable_moderate']) && !$auth->acl_gets('f_ignorequeue', 'm_', 'a_', $misc_info['forum_id'])) ? 0 : 1,

+ 'icon_id' => $misc_info['icon_id'],

+ 'topic_poster' => intval($user->data['user_id']),

+ 'topic_first_poster_name' => ($username != '') ? stripslashes($username) : (($user->data['user_id'] == ANONYMOUS) ? '' : stripslashes($user->data['username'])),

+ );

+

+ if (!empty($poll['poll_options']))

+ {

+ $topic_sql = array_merge($topic_sql, array(

+ 'poll_title' => stripslashes($poll['poll_title']),

+ 'poll_start' => (!empty($poll['poll_start'])) ? $poll['poll_start'] : $current_time,

+ 'poll_length' => $poll['poll_length'] * 3600

+ ));

+ }

+ $sql = ($mode == 'post') ? 'INSERT INTO ' . TOPICS_TABLE . ' ' . $db->sql_build_array('INSERT', $topic_sql) : 'UPDATE ' . TOPICS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $topic_sql) . ' WHERE topic_id = ' . $misc_info['topic_id'];

+ $db->sql_query($sql);

+

+ $misc_info['topic_id'] = ($mode == 'post') ? $db->sql_nextid() : $misc_info['topic_id'];

+ }

+

+ // Post table info

+ $post_sql = array(

+ 'topic_id' => $misc_info['topic_id'],

+ 'forum_id' => $misc_info['forum_id'],

+ 'poster_id' => ($mode == 'edit') ? $misc_info['poster_id'] : intval($user->data['user_id']),

+ 'post_username' => ($username != '') ? stripslashes($username) : '',

+ 'post_subject' => stripslashes($subject),

+ 'icon_id' => $misc_info['icon_id'],

+ 'poster_ip' => $user->ip,

+ 'post_time' => $current_time,

+ 'post_approved' => ($misc_info['enable_moderate'] && !$auth->acl_gets('f_ignorequeue', 'm_', 'a_', $misc_info['forum_id'])) ? 0 : 1,

+ 'post_edit_time' => ($mode == 'edit' && $misc_info['poster_id'] == $user->data['user_id']) ? $current_time : 0,

+ 'enable_sig' => $misc_info['enable_html'],

+ 'enable_bbcode' => $misc_info['enable_bbcode'],

+ 'enable_html' => $misc_info['enable_html'],

+ 'enable_smilies' => $misc_info['enable_smilies'],

+ 'enable_magic_url' => $misc_info['enable_urls'],

+ 'bbcode_uid' => $bbcode_uid,

+ );

+

+ if ($mode != 'edit' || $misc_info['message_md5'] != $misc_info['post_checksum'])

+ {

+ $post_sql = array_merge($post_sql, array(

+ 'post_checksum' => $misc_info['message_md5'],

+ 'post_text' => stripslashes($message),

+ 'post_encoding' => $user->lang['ENCODING']

+ ));

+ }

+ $sql = ($mode == 'edit' && $misc_info['poster_id'] == intval($user->data['user_id'])) ? 'UPDATE ' . POSTS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $post_sql) . ' , post_edit_count = post_edit_count + 1 WHERE post_id = ' . $misc_info['post_id'] : 'INSERT INTO ' . POSTS_TABLE . ' ' . $db->sql_build_array('INSERT', $post_sql);

+ $db->sql_query($sql);

+

+ $misc_info['post_id'] = ($mode == 'edit') ? $misc_info['post_id'] : $db->sql_nextid();

+

+ // poll options

+ if (!empty($poll['poll_options']))

+ {

+ $cur_poll_options = array();

+ if (!empty($poll['poll_start']) && $mode == 'edit')

+ {

+ $sql = "SELECT * FROM " . POLL_OPTIONS_TABLE . "

+ WHERE topic_id = " . $misc_info['topic_id'] . "

+ ORDER BY poll_option_id";

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

+

+ while ($cur_poll_options[] = $db->sql_fetchrow($result));

+ $db->sql_freeresult($result);

+ }

+

+ for ($i = 0; $i < sizeof($poll['poll_options']); $i++)

+ {

+ if (trim($poll['poll_options'][$i]) != '')

+ {

+ if (empty($cur_poll_options[$i]))

+ {

+ $sql = "INSERT INTO " . POLL_OPTIONS_TABLE . " (topic_id, poll_option_text)

+ VALUES (" . $misc_info['topic_id'] . ", '" . $db->sql_escape($poll['poll_options'][$i]) . "')";

+ $db->sql_query($sql);

+ }

+ else if ($poll['poll_options'][$i] != $cur_poll_options[$i])

+ {

+ $sql = "UPDATE " . POLL_OPTIONS_TABLE . "

+ SET poll_option_text = '" . $db->sql_escape($poll['poll_options'][$i]) . "'

+ WHERE poll_option_id = " . $cur_poll_options[$i]['poll_option_id'];

+ $db->sql_query($sql);

+ }

+ }

+ }

+ }

+

+ // Fulltext parse

+ if ($mode != 'edit' || $misc_info['message_md5'] != $misc_info['post_checksum'])

+ {

+ $result = $search->add($mode, $misc_info['post_id'], $message, $subject);

+ }

+

+ // Sync forums, topics and users ...

+ if ($mode != 'edit')

+ {

+ // Update forums: last post info, topics, posts ... we need to update

+ // each parent too ...

+ $forum_ids = $misc_info['forum_id'];

+ if (!empty($misc_info['forum_parents']))

+ {

+ $misc_info['forum_parents'] = unserialize($misc_info['forum_parents']);

+ foreach ($misc_info['forum_parents'] as $parent_forum_id => $parent_name)

+ {

+ $forum_ids .= ', ' . $parent_forum_id;

+ }

+ }

+

+ $forum_topics_sql = ($mode == 'post') ? ', forum_topics = forum_topics + 1' : '';

+ $forum_sql = array(

+ 'forum_last_post_id' => $misc_info['post_id'],

+ 'forum_last_post_time' => $current_time,

+ 'forum_last_poster_id' => intval($user->data['user_id']),

+ 'forum_last_poster_name'=> ($user->data['user_id'] == ANONYMOUS) ? stripslashes($username) : $user->data['username'],

+ );

+

+ $sql = 'UPDATE ' . FORUMS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $forum_sql) . ', forum_posts = forum_posts + 1' . $forum_topics_sql . ' WHERE forum_id IN (' . $forum_ids . ')';

+ $db->sql_query($sql);

+

+ // Update topic: first/last post info, replies

+ $topic_sql = array(

+ 'topic_last_post_id' => $misc_info['post_id'],

+ 'topic_last_post_time' => $current_time,

+ 'topic_last_poster_id' => intval($user->data['user_id']),

+ 'topic_last_poster_name'=> ($username != '') ? stripslashes($username) : (($user->data['user_id'] == ANONYMOUS) ? '' : stripslashes($user->data['username'])),

+ );

+

+ if ($mode == 'post')

+ {

+ $topic_sql = array_merge($topic_sql, array(

+ 'topic_first_post_id' => $misc_info['post_id'],

+ ));

+ }

+

+ $topic_replies_sql = ($mode == 'reply') ? ', topic_replies = topic_replies + 1' : '';

+ $sql = 'UPDATE ' . TOPICS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $topic_sql) . $topic_replies_sql . ' WHERE topic_id = ' . $misc_info['topic_id'];

+ $db->sql_query($sql);

+

+ // Update user post count ... if appropriate

+ if (!empty($misc_info['enable_post_count']) && $user->data['user_id'] != ANONYMOUS)

+ {

+ $sql = 'UPDATE ' . USERS_TABLE . '

+ SET user_posts = user_posts + 1

+ WHERE user_id = ' . intval($user->data['user_id']);

+ $db->sql_query($sql);

+ }

+

+ // post counts for index, etc.

+ if ($mode == 'post')

+ {

+ set_config('num_topics', $config['num_topics'] + 1, TRUE);

+ }

+

+ set_config('num_posts', $config['num_posts'] + 1, TRUE);

+ }

+

+ // Topic notification

+ if (!empty($misc_info['notify']) && ($mode == 'reply' || empty($misc_info['notify_set'])))

+ {

+ $sql = "INSERT INTO " . TOPICS_WATCH_TABLE . " (user_id, topic_id)

+ VALUES (" . $user->data['user_id'] . ", " . $misc_info['topic_id'] . ")";

+ $db->sql_query($sql);

+ }

+ else if (empty($misc_info['notify']) && !empty($misc_info['notify_set']))

+ {

+ $sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "

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

+ AND topic_id = " . $misc_info['topic_id'];

+ $db->sql_query($sql);

+ }

+

+ // Mark this topic as read and posted to.

+ $mark_mode = ($mode == 'reply' || $mode == 'post') ? 'post' : 'topic';

+ markread($mark_mode, $misc_info['forum_id'], $misc_info['topic_id'], $misc_info['post_id']);

+

+ $db->sql_transaction('commit');

+

+ $template->assign_vars(array(

+ 'META' => '<meta http-equiv="refresh" content="5; url=viewtopic.' . $phpEx . $SID . '&amp;f=' . $misc_info['forum_id'] . '&amp;p=' . $misc_info['post_id'] . '#' . $misc_info['post_id'] . '">')

+ );

+

+ $message = (!empty($misc_info['enable_moderate'])) ? 'POST_STORED_MOD' : 'POST_STORED';

+ $message = $user->lang[$message] . '<br /><br />' . sprintf($user->lang['VIEW_MESSAGE'], '<a href="viewtopic.' . $phpEx . $SID .'&p=' . $misc_info['post_id'] . '#' . $misc_info['post_id'] . '">', '</a>') . '<br /><br />' . sprintf($user->lang['RETURN_FORUM'], '<a href="viewforum.' . $phpEx . $SID .'&amp;f=' . $misc_info['forum_id'] . '">', '</a>');

+ trigger_error($message);

+ }

+}

+

+// Parses a given message and updates/maintains the fulltext tables

+class fulltext_search

+{

+ function split_words(&$text)

+ {

+ global $user, $config;

+

+ static $drop_char_match, $drop_char_replace, $stopwords, $synonyms;

+

+ if (empty($drop_char_match))

+ {

+ $drop_char_match = array('^', '$', '&', '(', ')', '<', '>', '`', '\'', '"', '|', ',', '@', '_', '?', '%', '-', '~', '+', '.', '[', ']', '{', '}', ':', '\\', '/', '=', '#', '\'', ';', '!', '*');

+ $drop_char_replace = array(' ', ' ', ' ', ' ', ' ', ' ', ' ', '', '', ' ', ' ', ' ', ' ', '', ' ', ' ', '', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '' , ' ', ' ', ' ', ' ', ' ', ' ', ' ');

+ $stopwords = @file($user->lang_path . '/search_stopwords.txt');

+ $synonyms = @file($user->lang_path . '/search_synonyms.txt');

+ }

+

+ $match = array();

+ // New lines, carriage returns

+ $match[] = "#[\n\r]+#";

+ // NCRs like &nbsp; etc.

+ $match[] = '#&[\#a-z0-9]+?;#i';

+ // URL's

+ $match[] = '#\b[\w]+:\/\/[a-z0-9\.\-]+(\/[a-z0-9\?\.%_\-\+=&\/]+)?#';

+ // BBcode

+ $match[] = '#\[img:[a-z0-9]{10,}\].*?\[\/img:[a-z0-9]{10,}\]#';

+ $match[] = '#\[\/?url(=.*?)?\]#';

+ $match[] = '#\[\/?[a-z\*=\+\-]+(\:?[0-9a-z]+)?:[a-z0-9]{10,}(\:[a-z0-9]+)?=?.*?\]#';

+ // Sequences < min_search_chars & < max_search_chars

+ $match[] = '#\b([a-z0-9]{1,' . $config['min_search_chars'] . '}|[a-z0-9]{' . $config['max_search_chars'] . ',})\b#is';

+

+ $text = preg_replace($match, ' ', ' ' . strtolower($text) . ' ');

+

+ // Filter out non-alphabetical chars

+ $text = str_replace($drop_char_match, $drop_char_replace, $text);

+

+ if (!empty($stopwords_list))

+ {

+ $text = str_replace($stopwords, '', $text);

+ }

+

+ if (!empty($synonyms))

+ {

+ for ($j = 0; $j < count($synonyms); $j++)

+ {

+ list($replace_synonym, $match_synonym) = split(' ', trim(strtolower($synonyms[$j])));

+ if ( $mode == 'post' || ( $match_synonym != 'not' && $match_synonym != 'and' && $match_synonym != 'or' ) )

+ {

+ $text = preg_replace('#\b' . trim($match_synonym) . '\b#', ' ' . trim($replace_synonym) . ' ', $text);

+ }

+ }

+ }

+

+ preg_match_all('/\b([\w]+)\b/', $text, $split_entries);

+ return array_unique($split_entries[1]);

+ }

+

+ function add(&$mode, &$post_id, &$message, &$subject)

+ {

+ global $config, $db;

+

+// $mtime = explode(' ', microtime());

+// $starttime = $mtime[1] + $mtime[0];

+

+ // Split old and new post/subject to obtain array of 'words'

+ $split_text = $this->split_words($message);

+ $split_title = ($subject) ? $this->split_words($subject) : array();

+

+ $words = array();

+ if ($mode == 'edit')

+ {

+ $sql = "SELECT w.word_id, w.word_text, m.title_match

+ FROM " . SEARCH_WORD_TABLE . " w, " . SEARCH_MATCH_TABLE . " m

+ WHERE m.post_id = " . intval($post_id) . "

+ AND w.word_id = m.word_id";

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

+ $cur_words = array();

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

+ {

+ $which = ($row['title_match']) ? 'title' : 'post';

+ $cur_words[$which][$row['word_text']] = $row['word_id'];

+ }

+ $db->sql_freeresult($result);

+

+ $words['add']['post'] = array_diff($split_text, array_keys($cur_words['post']));

+ $words['add']['title'] = array_diff($split_title, array_keys($cur_words['title']));

+ $words['del']['post'] = array_diff(array_keys($cur_words['post']), $split_text);

+ $words['del']['title'] = array_diff(array_keys($cur_words['title']), $split_title);

+ }

+ else

+ {

+ $words['add']['post'] = $split_text;

+ $words['add']['title'] = $split_title;

+ $words['del']['post'] = array();

+ $words['del']['title'] = array();

+ }

+ unset($split_text);

+ unset($split_title);

+

+ // Get unique words from the above arrays

+ $unique_add_words = array_unique(array_merge($words['add']['post'], $words['add']['title']));

+

+ // We now have unique arrays of all words to be added and removed and

+ // individual arrays of added and removed words for text and title. What

+ // we need to do now is add the new words (if they don't already exist)

+ // and then add (or remove) matches between the words and this post

+ if (sizeof($unique_add_words))

+ {

+ $sql = "SELECT word_id, word_text

+ FROM " . SEARCH_WORD_TABLE . "

+ WHERE word_text IN (" . implode(', ', preg_replace('#^(.*)$#', '\'\1\'', $unique_add_words)) . ")";

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

+

+ $word_ids = array();

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

+ {

+ $word_ids[$row['word_text']] = $row['word_id'];

+ }

+ $db->sql_freeresult($result);

+

+ $new_words = array_diff($unique_add_words, array_keys($word_ids));

+ unset($unique_add_words);

+

+ if (sizeof($new_words))

+ {

+ switch (SQL_LAYER)

+ {

+ case 'postgresql':

+ case 'msaccess':

+ case 'mssql-odbc':

+ case 'oracle':

+ case 'db2':

+ foreach ($new_words as $word)

+ {

+ $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text)

+ VALUES ('" . $word . "')";

+ $db->sql_query($sql);

+ }

+

+ break;

+ case 'mysql':

+ case 'mysql4':

+ $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text)

+ VALUES " . implode(', ', preg_replace('#^(.*)$#', '(\'\1\')', $new_words));

+ $db->sql_query($sql);

+ break;

+ case 'mssql':

+ $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text)

+ VALUES " . implode(' UNION ALL ', preg_replace('#^(.*)$#', 'SELECT \'\1\'', $new_words));

+ $db->sql_query($sql);

+ break;

+ }

+ }

+ unset($new_words);

+ }

+

+ foreach ($words['del'] as $word_in => $word_ary)

+ {

+ $title_match = ($word_in == 'title') ? 1 : 0;

+

+ $sql = '';

+ if (sizeof($word_ary))

+ {

+ foreach ($word_ary as $word)

+ {

+ $sql .= (($sql != '') ? ', ' : '') . $cur_words[$word_in][$word];

+ }

+ $sql = "DELETE FROM " . SEARCH_MATCH_TABLE . " WHERE word_id IN ($sql) AND post_id = " . intval($post_id) . " AND title_match = $title_match";

+ $db->sql_query($sql);

+ }

+ }

+

+ foreach ($words['add'] as $word_in => $word_ary)

+ {

+ $title_match = ( $word_in == 'title' ) ? 1 : 0;

+

+ if (sizeof($word_ary))

+ {

+ $sql = "INSERT INTO " . SEARCH_MATCH_TABLE . " (post_id, word_id, title_match) SELECT $post_id, word_id, $title_match FROM " . SEARCH_WORD_TABLE . " WHERE word_text IN (" . implode(', ', preg_replace('#^(.*)$#', '\'\1\'', $word_ary)) . ")";

+ $db->sql_query($sql);

+ }

+ }

+

+ unset($words);

+

+// $mtime = explode(' ', microtime());

+// echo "Search parser time taken >> " . ($mtime[1] + $mtime[0] - $starttime);

+

+ // Run the cleanup infrequently, once per session cleanup

+ if ($config['search_last_gc'] < time() - $config['search_gc'])

+ {

+// $this->search_tidy();

+ }

+ }

+

+ // Tidy up indexes, tag 'common words', remove

+ // words no longer referenced in the match table, etc.

+ function search_tidy()

+ {

+ global $db;

+

+ // Remove common (> 60% of posts ) words

+ $result = $db->sql_query("SELECT SUM(forum_posts) AS total_posts FROM " . FORUMS_TABLE);

+

+ $row = $db->sql_fetchrow($result);

+

+ if ($row['total_posts'] >= 100)

+ {

+ $sql = "SELECT word_id

+ FROM " . SEARCH_MATCH_TABLE . "

+ GROUP BY word_id

+ HAVING COUNT(word_id) > " . floor($row['total_posts'] * 0.6);

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

+

+ $in_sql = '';

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

+ {

+ $in_sql .= (( $in_sql != '') ? ', ' : '') . $row['word_id'];

+ }

+ $db->sql_freeresult($result);

+

+ if ($in_sql)

+ {

+ $sql = "UPDATE " . SEARCH_WORD_TABLE . "

+ SET word_common = " . TRUE . "

+ WHERE word_id IN ($in_sql)";

+ $db->sql_query($sql);

+

+ $sql = "DELETE FROM " . SEARCH_MATCH_TABLE . "

+ WHERE word_id IN ($in_sql)";

+ $db->sql_query($sql);

+ }

+ }

+

+ // Remove words with no matches ... this is a potentially nasty query

+ $sql = "SELECT w.word_id

+ FROM ( " . SEARCH_WORD_TABLE . " w

+ LEFT JOIN " . SEARCH_MATCH_TABLE . " m ON w.word_id = m.word_id

+ AND m.word_id IS NULL

+ GROUP BY m.word_id";

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

+

+ if ($row = $db->sql_fetchrow($result))

+ {

+ $in_sql = '';

+ do

+ {

+ $in_sql .= ', ' . $row['word_id'];

+ }

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

+

+ $sql = 'DELETE FROM ' . SEARCH_WORD_TABLE . '

+ WHERE word_id IN (' . substr($in_sql, 2) . ')';

+ $db->sql_query($sql);

+ }

+ $db->sql_freeresult($result);

+ }

+}

+

+?> \ No newline at end of file

+ if (trim($userdata['user_permissions']) == '')

+ global $user;

+