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php-phpbb/phpBB/includes/message_parser.php
Meik Sievertsen 8357b81a1e initial attachment functionality... only posting related (add/delete/edit) and schema. Also added attachment switch to board settings admin. 
git-svn-id: file:///svn/phpbb/trunk@3697 89ea8834-ac86-4346-8a33-228a782c2dd0
2003-03-22 15:48:46 +00:00

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<?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;
$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, $url);
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('\\2') > 55) ? substr('\\2', 0, 39) . ' ... ' . substr('\\2', -10) : '\\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('\\2') > 55) ? substr(str_replace(' ', '%20', '\\2'), 0, 39) . ' ... ' . substr('\\2', -10) : '\\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 parse_attachments($mode, $post_id, $submit, $preview, $refresh, &$attachment_data)
{
global $config, $_FILE, $_POST, $auth, $user;
$config['max_attachments'] = 1;
$error = false;
$error_msg = '';
$num_attachments = count($attachment_data['attach_id']);
$attachment_data['filecomment'] = ( isset($_POST['filecomment']) ) ? trim( strip_tags($_POST['filecomment'])) : '';
$attachment_data['filename'] = ( $_FILES['fileupload']['name'] != 'none' ) ? trim($_FILES['fileupload']['name']) : '';
$add_file = ( isset($_POST['add_file']) ) ? true : false;
$delete_file = ( isset($_POST['delete_file']) ) ? true : false;
$edit_comment = ( isset($_POST['edit_comment']) ) ? true : false;
if ( $submit && ($mode == 'post' || $mode == 'reply' || $mode == 'edit') && $attachment_data['filename'] != '')
{
if ( $num_attachments < $config['max_attachments'] || $auth->acl_get('m_', 'a_') )
{
$filedata = upload_attachment($attachment_data['filename']);
if ($filedata['error'])
{
$error = true;
$error_msg .= (!empty($error_msg)) ? '<br />' . $filedata['err_msg'] : $filedata['err_msg'];
}
if (($filedata['post_attach']) && (!$error))
{
array_unshift($attachment_data['physical_filename'], $filedata['destination_filename']);
array_unshift($attachment_data['comment'], $attachment_data['filecomment']);
array_unshift($attachment_data['real_filename'], $filedata['filename']);
array_unshift($attachment_data['extension'], $filedata['extension']);
array_unshift($attachment_data['mimetype'], $filedata['mimetype']);
array_unshift($attachment_data['filesize'], $filedata['filesize']);
array_unshift($attachment_data['filetime'], $filedata['filetime']);
array_unshift($attachment_data['attach_id'], '-1');
array_unshift($attachment_data['thumbnail'], $filedata['thumbnail']);
$attachment_data['filecomment'] = '';
// This Variable is set to FALSE here, because the Attachment Mod enter Attachments into the
// Database in two modes, one if the id_list is -1 and the second one if post_attach is true
// Since post_attach is automatically switched to true if an Attachment got added to the filesystem,
// but we are assigning an id of -1 here, we have to reset the post_attach variable to FALSE.
//
// This is very relevant, because it could happen that the post got not submitted, but we do not
// know this circumstance here. We could be at the posting page or we could be redirected to the entered
// post. :)
$filedata['post_attach'] = false;
}
}
else
{
$error = true;
$error_msg .= (!empty($error_msg)) ? '<br />' : '' . sprintf($user->lang['TOO_MANY_ATTACHMENTS'], $config['max_attachments']);
}
}
if ($preview || $refresh || $error)
{
// Perform actions on temporary attachments
if ($delete_file)
{
// store old values
$actual_list = ( isset($_POST['attachment_list']) ) ? $_POST['attachment_list'] : array();
$actual_comment_list = ( isset($_POST['comment_list']) ) ? $_POST['comment_list'] : array();
$actual_filename_list = ( isset($_POST['filename_list']) ) ? $_POST['filename_list'] : array();
$actual_extension_list = ( isset($_POST['extension_list']) ) ? $_POST['extension_list'] : array();
$actual_mimetype_list = ( isset($_POST['mimetype_list']) ) ? $_POST['mimetype_list'] : array();
$actual_filesize_list = ( isset($_POST['filesize_list']) ) ? $_POST['filesize_list'] : array();
$actual_filetime_list = ( isset($_POST['filetime_list']) ) ? $_POST['filetime_list'] : array();
$actual_id_list = ( isset($_POST['attach_id_list']) ) ? $_POST['attach_id_list'] : array();
$actual_thumbnail_list = ( isset($_POST['attach_thumbnail_list']) ) ? $_POST['attach_thumbnail_list'] : array();
// clean values
$attachment_data['physical_filename'] = array();
$attachment_data['comment'] = array();
$attachment_data['real_filename'] = array();
$attachment_data['extension'] = array();
$attachment_data['mimetype'] = array();
$attachment_data['filesize'] = array();
$attachment_data['filetime'] = array();
$attachment_data['attach_id'] = array();
$attachment_data['thumbnail'] = array();
// restore values :)
if( isset($_POST['attachment_list']) )
{
for ($i = 0; $i < count($actual_list); $i++)
{
$restore = false;
if ($delete_file)
{
if (!isset($_POST['delete_file'][$actual_list[$i]]))
{
$restore = true;
}
}
if ($restore)
{
$attachment_data['physical_filename'][] = $actual_list[$i];
$attachment_data['comment'][] = $actual_comment_list[$i];
$attachment_data['real_filename'][] = $actual_filename_list[$i];
$attachment_data['extension'][] = $actual_extension_list[$i];
$attachment_data['mimetype'][] = $actual_mimetype_list[$i];
$attachment_data['filesize'][] = $actual_filesize_list[$i];
$attachment_data['filetime'][] = $actual_filetime_list[$i];
$attachment_data['attach_id'][] = $actual_id_list[$i];
$attachment_data['thumbnail'][] = $actual_thumbnail_list[$i];
}
else
{
// delete selected attachment
if ($actual_id_list[$i] == '-1')
{
phpbb_unlink($actual_list[$i]);
if ($actual_thumbnail_list[$i] == 1)
{
phpbb_unlink('t_' . $actual_list[$i], 'thumbnail');
}
}
else
{
delete_attachment($post_id, $actual_id_list[$i]);
}
}
}
}
}
else if ( ($edit_comment) || ($add_file) || ($preview) )
{
if ($edit_comment)
{
$actual_comment_list = ( isset($_POST['comment_list']) ) ? $_POST['comment_list'] : '';
$attachment_data['comment'] = array();
for ($i = 0; $i < count($attachment_data['physical_filename']); $i++)
{
$attachment_data['comment'][$i] = $actual_comment_list[$i];
}
}
if ((($add_file) || ($preview) ) && ($attachment_data['filename'] != '') )
{
if ( $num_attachments < $config['max_attachments'] || $auth->acl_get('m_', 'a_') )
{
$filedata = upload_attachment($attachment_data['filename']);
if ($filedata['error'])
{
$error = true;
$error_msg .= (!empty($error_msg)) ? '<br />' . $filedata['err_msg'] : $filedata['err_msg'];
}
if (!$error)
{
array_unshift($attachment_data['physical_filename'], $filedata['destination_filename']);
array_unshift($attachment_data['comment'], $attachment_data['filecomment']);
array_unshift($attachment_data['real_filename'], $filedata['filename']);
array_unshift($attachment_data['extension'], $filedata['extension']);
array_unshift($attachment_data['mimetype'], $filedata['mimetype']);
array_unshift($attachment_data['filesize'], $filedata['filesize']);
array_unshift($attachment_data['filetime'], $filedata['filetime']);
array_unshift($attachment_data['attach_id'], '-1');
array_unshift($attachment_data['thumbnail'], $filedata['thumbnail']);
$attachment_data['filecomment'] = '';
}
}
else
{
$error = true;
$error_msg .= (!empty($error_msg)) ? '<br />' : '' . sprintf($user->lang['TOO_MANY_ATTACHMENTS'], $config['max_attachments']);
}
}
}
}
return ($error_msg);
}
// Parse Poll
function parse_poll(&$poll, $poll_data)
{
global $auth, $forum_id, $user, $config;
// poll_options, poll_options_size
$err_msg = '';
// Process poll options
if (!empty($poll_data['poll_option_text']) && (($auth->acl_get('f_poll', $forum_id) && !$poll_data['poll_last_vote']) || $auth->acl_gets('m_edit', 'a_', $forum_id)))
{
if (($result = $this->parse($poll_data['poll_option_text'], $poll_data['enable_html'], $poll_data['enable_bbcode'], $poll_data['bbcode_uid'], $poll_data['enable_urls'], $poll_data['enable_smilies'], false)) != '')
{
$err_msg .= ((!empty($err_msg)) ? '<br />' : '') . $result;
}
$poll['poll_options'] = explode("\n", trim($poll_data['poll_option_text']));
$poll['poll_options_size'] = sizeof($poll['poll_options']);
if (sizeof($poll['poll_options']) == 1)
{
$err_msg .= ((!empty($err_msg)) ? '<br />' : '') . $user->lang['TOO_FEW_POLL_OPTIONS'];
}
else if (sizeof($poll['poll_options']) > intval($config['max_poll_options']))
{
$err_msg .= ((!empty($err_msg)) ? '<br />' : '') . $user->lang['TOO_MANY_POLL_OPTIONS'];
}
else if (sizeof($poll['poll_options']) < $poll['poll_options_size'])
{
$err_msg .= ((!empty($err_msg)) ? '<br />' : '') . $user->lang['NO_DELETE_POLL_OPTIONS'];
}
$poll['poll_title'] = (!empty($poll_data['poll_title'])) ? trim(htmlspecialchars(strip_tags($poll_data['poll_title']))) : '';
$poll['poll_length'] = (!empty($poll_data['poll_length'])) ? intval($poll_data['poll_length']) : 0;
}
$poll['poll_start'] = $poll_data['poll_start'];
return ($err_msg);
}
}
// 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);
}
}
?>
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