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[www.vanrenterghem.biz.git] / phpBB2 / includes / functions_post.php
diff --git a/phpBB2/includes/functions_post.php b/phpBB2/includes/functions_post.php
deleted file mode 100644 (file)
index 49c12c8..0000000
+++ /dev/null
@@ -1,887 +0,0 @@
-<?php
-/***************************************************************************
- *                            functions_post.php
- *                            -------------------
- *   begin                : Saturday, Feb 13, 2001
- *   copyright            : (C) 2001 The phpBB Group
- *   email                : support@phpbb.com
- *
- *   $Id: functions_post.php,v 1.9.2.52 2006/05/06 13:38:55 grahamje Exp $
- *
- *
- ***************************************************************************/
-
-/***************************************************************************
- *
- *   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.
- *
- ***************************************************************************/
-
-if (!defined('IN_PHPBB'))
-{
-       die('Hacking attempt');
-}
-
-$html_entities_match = array('#&(?!(\#[0-9]+;))#', '#<#', '#>#', '#"#');
-$html_entities_replace = array('&amp;', '&lt;', '&gt;', '&quot;');
-
-$unhtml_specialchars_match = array('#&gt;#', '#&lt;#', '#&quot;#', '#&amp;#');
-$unhtml_specialchars_replace = array('>', '<', '"', '&');
-
-//
-// This function will prepare a posted message for
-// entry into the database.
-//
-function prepare_message($message, $html_on, $bbcode_on, $smile_on, $bbcode_uid = 0)
-{
-       global $board_config, $html_entities_match, $html_entities_replace;
-
-       //
-       // Clean up the message
-       //
-       $message = trim($message);
-
-       if ($html_on)
-       {
-               // If HTML is on, we try to make it safe
-               // This approach is quite agressive and anything that does not look like a valid tag
-               // is going to get converted to HTML entities
-               $message = stripslashes($message);
-               $html_match = '#<[^\w<]*(\w+)((?:"[^"]*"|\'[^\']*\'|[^<>\'"])+)?>#';
-               $matches = array();
-
-               $message_split = preg_split($html_match, $message);
-               preg_match_all($html_match, $message, $matches);
-
-               $message = '';
-
-               foreach ($message_split as $part)
-               {
-                       $tag = array(array_shift($matches[0]), array_shift($matches[1]), array_shift($matches[2]));
-                       $message .= preg_replace($html_entities_match, $html_entities_replace, $part) . clean_html($tag);
-               }
-
-               $message = addslashes($message);
-               $message = str_replace('&quot;', '\&quot;', $message);
-       }
-       else
-       {
-               $message = preg_replace($html_entities_match, $html_entities_replace, $message);
-       }
-
-       if($bbcode_on && $bbcode_uid != '')
-       {
-               $message = bbencode_first_pass($message, $bbcode_uid);
-       }
-
-       return $message;
-}
-
-function unprepare_message($message)
-{
-       global $unhtml_specialchars_match, $unhtml_specialchars_replace;
-
-       return preg_replace($unhtml_specialchars_match, $unhtml_specialchars_replace, $message);
-}
-
-//
-// Prepare a message for posting
-// 
-function prepare_post(&$mode, &$post_data, &$bbcode_on, &$html_on, &$smilies_on, &$error_msg, &$username, &$bbcode_uid, &$subject, &$message, &$poll_title, &$poll_options, &$poll_length)
-{
-       global $board_config, $userdata, $lang, $phpEx, $phpbb_root_path;
-
-       // Check username
-       if (!empty($username))
-       {
-               $username = phpbb_clean_username($username);
-
-               if (!$userdata['session_logged_in'] || ($userdata['session_logged_in'] && $username != $userdata['username']))
-               {
-                       include($phpbb_root_path . 'includes/functions_validate.'.$phpEx);
-
-                       $result = validate_username($username);
-                       if ($result['error'])
-                       {
-                               $error_msg .= (!empty($error_msg)) ? '<br />' . $result['error_msg'] : $result['error_msg'];
-                       }
-               }
-               else
-               {
-                       $username = '';
-               }
-       }
-
-       // Check subject
-       if (!empty($subject))
-       {
-               $subject = htmlspecialchars(trim($subject));
-       }
-       else if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
-       {
-               $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_subject'] : $lang['Empty_subject'];
-       }
-
-       // Check message
-       if (!empty($message))
-       {
-               $bbcode_uid = ($bbcode_on) ? make_bbcode_uid() : '';
-               $message = prepare_message(trim($message), $html_on, $bbcode_on, $smilies_on, $bbcode_uid);
-       }
-       else if ($mode != 'delete' && $mode != 'poll_delete') 
-       {
-               $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_message'] : $lang['Empty_message'];
-       }
-
-       //
-       // Handle poll stuff
-       //
-       if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
-       {
-               $poll_length = (isset($poll_length)) ? max(0, intval($poll_length)) : 0;
-
-               if (!empty($poll_title))
-               {
-                       $poll_title = htmlspecialchars(trim($poll_title));
-               }
-
-               if(!empty($poll_options))
-               {
-                       $temp_option_text = array();
-                       while(list($option_id, $option_text) = @each($poll_options))
-                       {
-                               $option_text = trim($option_text);
-                               if (!empty($option_text))
-                               {
-                                       $temp_option_text[intval($option_id)] = htmlspecialchars($option_text);
-                               }
-                       }
-                       $option_text = $temp_option_text;
-
-                       if (count($poll_options) < 2)
-                       {
-                               $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['To_few_poll_options'] : $lang['To_few_poll_options'];
-                       }
-                       else if (count($poll_options) > $board_config['max_poll_options']) 
-                       {
-                               $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['To_many_poll_options'] : $lang['To_many_poll_options'];
-                       }
-                       else if ($poll_title == '')
-                       {
-                               $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_poll_title'] : $lang['Empty_poll_title'];
-                       }
-               }
-       }
-
-       return;
-}
-
-//
-// Post a new topic/reply/poll or edit existing post/poll
-//
-function submit_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id, &$topic_type, &$bbcode_on, &$html_on, &$smilies_on, &$attach_sig, &$bbcode_uid, $post_username, $post_subject, $post_message, $poll_title, &$poll_options, &$poll_length)
-{
-       global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
-       global $userdata, $user_ip;
-
-       include($phpbb_root_path . 'includes/functions_search.'.$phpEx);
-
-       $current_time = time();
-
-       if ($mode == 'newtopic' || $mode == 'reply' || $mode == 'editpost') 
-       {
-               //
-               // Flood control
-               //
-               $where_sql = ($userdata['user_id'] == ANONYMOUS) ? "poster_ip = '$user_ip'" : 'poster_id = ' . $userdata['user_id'];
-               $sql = "SELECT MAX(post_time) AS last_post_time
-                       FROM " . POSTS_TABLE . "
-                       WHERE $where_sql";
-               if ($result = $db->sql_query($sql))
-               {
-                       if ($row = $db->sql_fetchrow($result))
-                       {
-                               if (intval($row['last_post_time']) > 0 && ($current_time - intval($row['last_post_time'])) < intval($board_config['flood_interval']))
-                               {
-                                       message_die(GENERAL_MESSAGE, $lang['Flood_Error']);
-                               }
-                       }
-               }
-       }
-
-       if ($mode == 'editpost')
-       {
-               remove_search_post($post_id);
-       }
-
-       if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
-       {
-               $topic_vote = (!empty($poll_title) && count($poll_options) >= 2) ? 1 : 0;
-
-               $sql  = ($mode != "editpost") ? "INSERT INTO " . TOPICS_TABLE . " (topic_title, topic_poster, topic_time, forum_id, topic_status, topic_type, topic_vote) VALUES ('$post_subject', " . $userdata['user_id'] . ", $current_time, $forum_id, " . TOPIC_UNLOCKED . ", $topic_type, $topic_vote)" : "UPDATE " . TOPICS_TABLE . " SET topic_title = '$post_subject', topic_type = $topic_type " . (($post_data['edit_vote'] || !empty($poll_title)) ? ", topic_vote = " . $topic_vote : "") . " WHERE topic_id = $topic_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
-               }
-
-               if ($mode == 'newtopic')
-               {
-                       $topic_id = $db->sql_nextid();
-               }
-       }
-
-       $edited_sql = ($mode == 'editpost' && !$post_data['last_post'] && $post_data['poster_post']) ? ", post_edit_time = $current_time, post_edit_count = post_edit_count + 1 " : "";
-       $sql = ($mode != "editpost") ? "INSERT INTO " . POSTS_TABLE . " (topic_id, forum_id, poster_id, post_username, post_time, poster_ip, enable_bbcode, enable_html, enable_smilies, enable_sig) VALUES ($topic_id, $forum_id, " . $userdata['user_id'] . ", '$post_username', $current_time, '$user_ip', $bbcode_on, $html_on, $smilies_on, $attach_sig)" : "UPDATE " . POSTS_TABLE . " SET post_username = '$post_username', enable_bbcode = $bbcode_on, enable_html = $html_on, enable_smilies = $smilies_on, enable_sig = $attach_sig" . $edited_sql . " WHERE post_id = $post_id";
-       if (!$db->sql_query($sql, BEGIN_TRANSACTION))
-       {
-               message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
-       }
-
-       if ($mode != 'editpost')
-       {
-               $post_id = $db->sql_nextid();
-       }
-
-       $sql = ($mode != 'editpost') ? "INSERT INTO " . POSTS_TEXT_TABLE . " (post_id, post_subject, bbcode_uid, post_text) VALUES ($post_id, '$post_subject', '$bbcode_uid', '$post_message')" : "UPDATE " . POSTS_TEXT_TABLE . " SET post_text = '$post_message',  bbcode_uid = '$bbcode_uid', post_subject = '$post_subject' WHERE post_id = $post_id";
-       if (!$db->sql_query($sql))
-       {
-               message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
-       }
-
-       add_search_words('single', $post_id, stripslashes($post_message), stripslashes($post_subject));
-
-       //
-       // Add poll
-       // 
-       if (($mode == 'newtopic' || ($mode == 'editpost' && $post_data['edit_poll'])) && !empty($poll_title) && count($poll_options) >= 2)
-       {
-               $sql = (!$post_data['has_poll']) ? "INSERT INTO " . VOTE_DESC_TABLE . " (topic_id, vote_text, vote_start, vote_length) VALUES ($topic_id, '$poll_title', $current_time, " . ($poll_length * 86400) . ")" : "UPDATE " . VOTE_DESC_TABLE . " SET vote_text = '$poll_title', vote_length = " . ($poll_length * 86400) . " WHERE topic_id = $topic_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
-               }
-
-               $delete_option_sql = '';
-               $old_poll_result = array();
-               if ($mode == 'editpost' && $post_data['has_poll'])
-               {
-                       $sql = "SELECT vote_option_id, vote_result  
-                               FROM " . VOTE_RESULTS_TABLE . " 
-                               WHERE vote_id = $poll_id 
-                               ORDER BY vote_option_id ASC";
-                       if (!($result = $db->sql_query($sql)))
-                       {
-                               message_die(GENERAL_ERROR, 'Could not obtain vote data results for this topic', '', __LINE__, __FILE__, $sql);
-                       }
-
-                       while ($row = $db->sql_fetchrow($result))
-                       {
-                               $old_poll_result[$row['vote_option_id']] = $row['vote_result'];
-
-                               if (!isset($poll_options[$row['vote_option_id']]))
-                               {
-                                       $delete_option_sql .= ($delete_option_sql != '') ? ', ' . $row['vote_option_id'] : $row['vote_option_id'];
-                               }
-                       }
-               }
-               else
-               {
-                       $poll_id = $db->sql_nextid();
-               }
-
-               @reset($poll_options);
-
-               $poll_option_id = 1;
-               while (list($option_id, $option_text) = each($poll_options))
-               {
-                       if (!empty($option_text))
-                       {
-                               $option_text = str_replace("\'", "''", htmlspecialchars($option_text));
-                               $poll_result = ($mode == "editpost" && isset($old_poll_result[$option_id])) ? $old_poll_result[$option_id] : 0;
-
-                               $sql = ($mode != "editpost" || !isset($old_poll_result[$option_id])) ? "INSERT INTO " . VOTE_RESULTS_TABLE . " (vote_id, vote_option_id, vote_option_text, vote_result) VALUES ($poll_id, $poll_option_id, '$option_text', $poll_result)" : "UPDATE " . VOTE_RESULTS_TABLE . " SET vote_option_text = '$option_text', vote_result = $poll_result WHERE vote_option_id = $option_id AND vote_id = $poll_id";
-                               if (!$db->sql_query($sql))
-                               {
-                                       message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
-                               }
-                               $poll_option_id++;
-                       }
-               }
-
-               if ($delete_option_sql != '')
-               {
-                       $sql = "DELETE FROM " . VOTE_RESULTS_TABLE . " 
-                               WHERE vote_option_id IN ($delete_option_sql) 
-                                       AND vote_id = $poll_id";
-                       if (!$db->sql_query($sql))
-                       {
-                               message_die(GENERAL_ERROR, 'Error deleting pruned poll options', '', __LINE__, __FILE__, $sql);
-                       }
-               }
-       }
-
-       $meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewtopic.$phpEx?" . POST_POST_URL . "=" . $post_id) . '#' . $post_id . '">';
-       $message = $lang['Stored'] . '<br /><br />' . sprintf($lang['Click_view_message'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_POST_URL . "=" . $post_id) . '#' . $post_id . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_forum'], '<a href="' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id") . '">', '</a>');
-
-       return false;
-}
-
-//
-// Update post stats and details
-//
-function update_post_stats(&$mode, &$post_data, &$forum_id, &$topic_id, &$post_id, &$user_id)
-{
-       global $db;
-
-       $sign = ($mode == 'delete') ? '- 1' : '+ 1';
-       $forum_update_sql = "forum_posts = forum_posts $sign";
-       $topic_update_sql = '';
-
-       if ($mode == 'delete')
-       {
-               if ($post_data['last_post'])
-               {
-                       if ($post_data['first_post'])
-                       {
-                               $forum_update_sql .= ', forum_topics = forum_topics - 1';
-                       }
-                       else
-                       {
-
-                               $topic_update_sql .= 'topic_replies = topic_replies - 1';
-
-                               $sql = "SELECT MAX(post_id) AS last_post_id
-                                       FROM " . POSTS_TABLE . " 
-                                       WHERE topic_id = $topic_id";
-                               if (!($result = $db->sql_query($sql)))
-                               {
-                                       message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
-                               }
-
-                               if ($row = $db->sql_fetchrow($result))
-                               {
-                                       $topic_update_sql .= ', topic_last_post_id = ' . $row['last_post_id'];
-                               }
-                       }
-
-                       if ($post_data['last_topic'])
-                       {
-                               $sql = "SELECT MAX(post_id) AS last_post_id
-                                       FROM " . POSTS_TABLE . " 
-                                       WHERE forum_id = $forum_id"; 
-                               if (!($result = $db->sql_query($sql)))
-                               {
-                                       message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
-                               }
-
-                               if ($row = $db->sql_fetchrow($result))
-                               {
-                                       $forum_update_sql .= ($row['last_post_id']) ? ', forum_last_post_id = ' . $row['last_post_id'] : ', forum_last_post_id = 0';
-                               }
-                       }
-               }
-               else if ($post_data['first_post']) 
-               {
-                       $sql = "SELECT MIN(post_id) AS first_post_id
-                               FROM " . POSTS_TABLE . " 
-                               WHERE topic_id = $topic_id";
-                       if (!($result = $db->sql_query($sql)))
-                       {
-                               message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
-                       }
-
-                       if ($row = $db->sql_fetchrow($result))
-                       {
-                               $topic_update_sql .= 'topic_replies = topic_replies - 1, topic_first_post_id = ' . $row['first_post_id'];
-                       }
-               }
-               else
-               {
-                       $topic_update_sql .= 'topic_replies = topic_replies - 1';
-               }
-       }
-       else if ($mode != 'poll_delete')
-       {
-               $forum_update_sql .= ", forum_last_post_id = $post_id" . (($mode == 'newtopic') ? ", forum_topics = forum_topics $sign" : ""); 
-               $topic_update_sql = "topic_last_post_id = $post_id" . (($mode == 'reply') ? ", topic_replies = topic_replies $sign" : ", topic_first_post_id = $post_id");
-       }
-       else 
-       {
-               $topic_update_sql .= 'topic_vote = 0';
-       }
-
-       if ($mode != 'poll_delete')
-       {
-               $sql = "UPDATE " . FORUMS_TABLE . " SET 
-                       $forum_update_sql 
-                       WHERE forum_id = $forum_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
-               }
-       }
-
-       if ($topic_update_sql != '')
-       {
-               $sql = "UPDATE " . TOPICS_TABLE . " SET 
-                       $topic_update_sql 
-                       WHERE topic_id = $topic_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
-               }
-       }
-
-       if ($mode != 'poll_delete')
-       {
-               $sql = "UPDATE " . USERS_TABLE . "
-                       SET user_posts = user_posts $sign 
-                       WHERE user_id = $user_id";
-               if (!$db->sql_query($sql, END_TRANSACTION))
-               {
-                       message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
-               }
-       }
-
-       return;
-}
-
-//
-// Delete a post/poll
-//
-function delete_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id)
-{
-       global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
-       global $userdata, $user_ip;
-
-       if ($mode != 'poll_delete')
-       {
-               include($phpbb_root_path . 'includes/functions_search.'.$phpEx);
-
-               $sql = "DELETE FROM " . POSTS_TABLE . " 
-                       WHERE post_id = $post_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
-               }
-
-               $sql = "DELETE FROM " . POSTS_TEXT_TABLE . " 
-                       WHERE post_id = $post_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
-               }
-
-               if ($post_data['last_post'])
-               {
-                       if ($post_data['first_post'])
-                       {
-                               $forum_update_sql .= ', forum_topics = forum_topics - 1';
-                               $sql = "DELETE FROM " . TOPICS_TABLE . " 
-                                       WHERE topic_id = $topic_id 
-                                               OR topic_moved_id = $topic_id";
-                               if (!$db->sql_query($sql))
-                               {
-                                       message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
-                               }
-
-                               $sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
-                                       WHERE topic_id = $topic_id";
-                               if (!$db->sql_query($sql))
-                               {
-                                       message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
-                               }
-                       }
-               }
-
-               remove_search_post($post_id);
-       }
-
-       if ($mode == 'poll_delete' || ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post']) && $post_data['has_poll'] && $post_data['edit_poll'])
-       {
-               $sql = "DELETE FROM " . VOTE_DESC_TABLE . " 
-                       WHERE topic_id = $topic_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
-               }
-
-               $sql = "DELETE FROM " . VOTE_RESULTS_TABLE . " 
-                       WHERE vote_id = $poll_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
-               }
-
-               $sql = "DELETE FROM " . VOTE_USERS_TABLE . " 
-                       WHERE vote_id = $poll_id";
-               if (!$db->sql_query($sql))
-               {
-                       message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
-               }
-       }
-
-       if ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post'])
-       {
-               $meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . '=' . $forum_id) . '">';
-               $message = $lang['Deleted'];
-       }
-       else
-       {
-               $meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . '=' . $topic_id) . '">';
-               $message = (($mode == 'poll_delete') ? $lang['Poll_delete'] : $lang['Deleted']) . '<br /><br />' . sprintf($lang['Click_return_topic'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id") . '">', '</a>');
-       }
-
-       $message .=  '<br /><br />' . sprintf($lang['Click_return_forum'], '<a href="' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id") . '">', '</a>');
-
-       return;
-}
-
-//
-// Handle user notification on new post
-//
-function user_notification($mode, &$post_data, &$topic_title, &$forum_id, &$topic_id, &$post_id, &$notify_user)
-{
-       global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
-       global $userdata, $user_ip;
-
-       $current_time = time();
-
-       if ($mode != 'delete')
-       {
-               if ($mode == 'reply')
-               {
-                       $sql = "SELECT ban_userid 
-                               FROM " . BANLIST_TABLE;
-                       if (!($result = $db->sql_query($sql)))
-                       {
-                               message_die(GENERAL_ERROR, 'Could not obtain banlist', '', __LINE__, __FILE__, $sql);
-                       }
-
-                       $user_id_sql = '';
-                       while ($row = $db->sql_fetchrow($result))
-                       {
-                               if (isset($row['ban_userid']) && !empty($row['ban_userid']))
-                               {
-                                       $user_id_sql .= ', ' . $row['ban_userid'];
-                               }
-                       }
-
-                       $sql = "SELECT u.user_id, u.user_email, u.user_lang 
-                               FROM " . TOPICS_WATCH_TABLE . " tw, " . USERS_TABLE . " u 
-                               WHERE tw.topic_id = $topic_id 
-                                       AND tw.user_id NOT IN (" . $userdata['user_id'] . ", " . ANONYMOUS . $user_id_sql . ") 
-                                       AND tw.notify_status = " . TOPIC_WATCH_UN_NOTIFIED . " 
-                                       AND u.user_id = tw.user_id";
-                       if (!($result = $db->sql_query($sql)))
-                       {
-                               message_die(GENERAL_ERROR, 'Could not obtain list of topic watchers', '', __LINE__, __FILE__, $sql);
-                       }
-
-                       $update_watched_sql = '';
-                       $bcc_list_ary = array();
-                       
-                       if ($row = $db->sql_fetchrow($result))
-                       {
-                               // Sixty second limit
-                               @set_time_limit(60);
-
-                               do
-                               {
-                                       if ($row['user_email'] != '')
-                                       {
-                                               $bcc_list_ary[$row['user_lang']][] = $row['user_email'];
-                                       }
-                                       $update_watched_sql .= ($update_watched_sql != '') ? ', ' . $row['user_id'] : $row['user_id'];
-                               }
-                               while ($row = $db->sql_fetchrow($result));
-
-                               //
-                               // Let's do some checking to make sure that mass mail functions
-                               // are working in win32 versions of php.
-                               //
-                               if (preg_match('/[c-z]:\\\.*/i', getenv('PATH')) && !$board_config['smtp_delivery'])
-                               {
-                                       $ini_val = (@phpversion() >= '4.0.0') ? 'ini_get' : 'get_cfg_var';
-
-                                       // We are running on windows, force delivery to use our smtp functions
-                                       // since php's are broken by default
-                                       $board_config['smtp_delivery'] = 1;
-                                       $board_config['smtp_host'] = @$ini_val('SMTP');
-                               }
-
-                               if (sizeof($bcc_list_ary))
-                               {
-                                       include($phpbb_root_path . 'includes/emailer.'.$phpEx);
-                                       $emailer = new emailer($board_config['smtp_delivery']);
-
-                                       $script_name = preg_replace('/^\/?(.*?)\/?$/', '\1', trim($board_config['script_path']));
-                                       $script_name = ($script_name != '') ? $script_name . '/viewtopic.'.$phpEx : 'viewtopic.'.$phpEx;
-                                       $server_name = trim($board_config['server_name']);
-                                       $server_protocol = ($board_config['cookie_secure']) ? 'https://' : 'http://';
-                                       $server_port = ($board_config['server_port'] <> 80) ? ':' . trim($board_config['server_port']) . '/' : '/';
-
-                                       $orig_word = array();
-                                       $replacement_word = array();
-                                       obtain_word_list($orig_word, $replacement_word);
-
-                                       $emailer->from($board_config['board_email']);
-                                       $emailer->replyto($board_config['board_email']);
-
-                                       $topic_title = (count($orig_word)) ? preg_replace($orig_word, $replacement_word, unprepare_message($topic_title)) : unprepare_message($topic_title);
-
-                                       @reset($bcc_list_ary);
-                                       while (list($user_lang, $bcc_list) = each($bcc_list_ary))
-                                       {
-                                               $emailer->use_template('topic_notify', $user_lang);
-               
-                                               for ($i = 0; $i < count($bcc_list); $i++)
-                                               {
-                                                       $emailer->bcc($bcc_list[$i]);
-                                               }
-
-                                               // The Topic_reply_notification lang string below will be used
-                                               // if for some reason the mail template subject cannot be read 
-                                               // ... note it will not necessarily be in the posters own language!
-                                               $emailer->set_subject($lang['Topic_reply_notification']); 
-                                               
-                                               // This is a nasty kludge to remove the username var ... till (if?)
-                                               // translators update their templates
-                                               $emailer->msg = preg_replace('#[ ]?{USERNAME}#', '', $emailer->msg);
-
-                                               $emailer->assign_vars(array(
-                                                       'EMAIL_SIG' => (!empty($board_config['board_email_sig'])) ? str_replace('<br />', "\n", "-- \n" . $board_config['board_email_sig']) : '',
-                                                       'SITENAME' => $board_config['sitename'],
-                                                       'TOPIC_TITLE' => $topic_title, 
-
-                                                       'U_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '?' . POST_POST_URL . "=$post_id#$post_id",
-                                                       'U_STOP_WATCHING_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '?' . POST_TOPIC_URL . "=$topic_id&unwatch=topic")
-                                               );
-
-                                               $emailer->send();
-                                               $emailer->reset();
-                                       }
-                               }
-                       }
-                       $db->sql_freeresult($result);
-
-                       if ($update_watched_sql != '')
-                       {
-                               $sql = "UPDATE " . TOPICS_WATCH_TABLE . "
-                                       SET notify_status = " . TOPIC_WATCH_NOTIFIED . "
-                                       WHERE topic_id = $topic_id
-                                               AND user_id IN ($update_watched_sql)";
-                               $db->sql_query($sql);
-                       }
-               }
-
-               $sql = "SELECT topic_id 
-                       FROM " . TOPICS_WATCH_TABLE . "
-                       WHERE topic_id = $topic_id
-                               AND user_id = " . $userdata['user_id'];
-               if (!($result = $db->sql_query($sql)))
-               {
-                       message_die(GENERAL_ERROR, 'Could not obtain topic watch information', '', __LINE__, __FILE__, $sql);
-               }
-
-               $row = $db->sql_fetchrow($result);
-
-               if (!$notify_user && !empty($row['topic_id']))
-               {
-                       $sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
-                               WHERE topic_id = $topic_id
-                                       AND user_id = " . $userdata['user_id'];
-                       if (!$db->sql_query($sql))
-                       {
-                               message_die(GENERAL_ERROR, 'Could not delete topic watch information', '', __LINE__, __FILE__, $sql);
-                       }
-               }
-               else if ($notify_user && empty($row['topic_id']))
-               {
-                       $sql = "INSERT INTO " . TOPICS_WATCH_TABLE . " (user_id, topic_id, notify_status)
-                               VALUES (" . $userdata['user_id'] . ", $topic_id, 0)";
-                       if (!$db->sql_query($sql))
-                       {
-                               message_die(GENERAL_ERROR, 'Could not insert topic watch information', '', __LINE__, __FILE__, $sql);
-                       }
-               }
-       }
-}
-
-//
-// Fill smiley templates (or just the variables) with smileys
-// Either in a window or inline
-//
-function generate_smilies($mode, $page_id)
-{
-       global $db, $board_config, $template, $lang, $images, $theme, $phpEx, $phpbb_root_path;
-       global $user_ip, $session_length, $starttime;
-       global $userdata;
-
-       $inline_columns = 4;
-       $inline_rows = 5;
-       $window_columns = 8;
-
-       if ($mode == 'window')
-       {
-               $userdata = session_pagestart($user_ip, $page_id);
-               init_userprefs($userdata);
-
-               $gen_simple_header = TRUE;
-
-               $page_title = $lang['Emoticons'];
-               include($phpbb_root_path . 'includes/page_header.'.$phpEx);
-
-               $template->set_filenames(array(
-                       'smiliesbody' => 'posting_smilies.tpl')
-               );
-       }
-
-       $sql = "SELECT emoticon, code, smile_url   
-               FROM " . SMILIES_TABLE . " 
-               ORDER BY smilies_id";
-       if ($result = $db->sql_query($sql))
-       {
-               $num_smilies = 0;
-               $rowset = array();
-               while ($row = $db->sql_fetchrow($result))
-               {
-                       if (empty($rowset[$row['smile_url']]))
-                       {
-                               $rowset[$row['smile_url']]['code'] = str_replace("'", "\\'", str_replace('\\', '\\\\', $row['code']));
-                               $rowset[$row['smile_url']]['emoticon'] = $row['emoticon'];
-                               $num_smilies++;
-                       }
-               }
-
-               if ($num_smilies)
-               {
-                       $smilies_count = ($mode == 'inline') ? min(19, $num_smilies) : $num_smilies;
-                       $smilies_split_row = ($mode == 'inline') ? $inline_columns - 1 : $window_columns - 1;
-
-                       $s_colspan = 0;
-                       $row = 0;
-                       $col = 0;
-
-                       while (list($smile_url, $data) = @each($rowset))
-                       {
-                               if (!$col)
-                               {
-                                       $template->assign_block_vars('smilies_row', array());
-                               }
-
-                               $template->assign_block_vars('smilies_row.smilies_col', array(
-                                       'SMILEY_CODE' => $data['code'],
-                                       'SMILEY_IMG' => $board_config['smilies_path'] . '/' . $smile_url,
-                                       'SMILEY_DESC' => $data['emoticon'])
-                               );
-
-                               $s_colspan = max($s_colspan, $col + 1);
-
-                               if ($col == $smilies_split_row)
-                               {
-                                       if ($mode == 'inline' && $row == $inline_rows - 1)
-                                       {
-                                               break;
-                                       }
-                                       $col = 0;
-                                       $row++;
-                               }
-                               else
-                               {
-                                       $col++;
-                               }
-                       }
-
-                       if ($mode == 'inline' && $num_smilies > $inline_rows * $inline_columns)
-                       {
-                               $template->assign_block_vars('switch_smilies_extra', array());
-
-                               $template->assign_vars(array(
-                                       'L_MORE_SMILIES' => $lang['More_emoticons'], 
-                                       'U_MORE_SMILIES' => append_sid("posting.$phpEx?mode=smilies"))
-                               );
-                       }
-
-                       $template->assign_vars(array(
-                               'L_EMOTICONS' => $lang['Emoticons'], 
-                               'L_CLOSE_WINDOW' => $lang['Close_window'], 
-                               'S_SMILIES_COLSPAN' => $s_colspan)
-                       );
-               }
-       }
-
-       if ($mode == 'window')
-       {
-               $template->pparse('smiliesbody');
-
-               include($phpbb_root_path . 'includes/page_tail.'.$phpEx);
-       }
-}
-
-/**
-* Called from within prepare_message to clean included HTML tags if HTML is
-* turned on for that post
-* @param array $tag Matching text from the message to parse
-*/
-function clean_html($tag)
-{
-       global $board_config;
-
-       if (empty($tag[0]))
-       {
-               return '';
-       }
-
-       $allowed_html_tags = preg_split('/, */', strtolower($board_config['allow_html_tags']));
-       $disallowed_attributes = '/^(?:style|on)/i';
-
-       // Check if this is an end tag
-       preg_match('/<[^\w\/]*\/[\W]*(\w+)/', $tag[0], $matches);
-       if (sizeof($matches))
-       {
-               if (in_array(strtolower($matches[1]), $allowed_html_tags))
-               {
-                       return  '</' . $matches[1] . '>';
-               }
-               else
-               {
-                       return  htmlspecialchars('</' . $matches[1] . '>');
-               }
-       }
-
-       // Check if this is an allowed tag
-       if (in_array(strtolower($tag[1]), $allowed_html_tags))
-       {
-               $attributes = '';
-               if (!empty($tag[2]))
-               {
-                       preg_match_all('/[\W]*?(\w+)[\W]*?=[\W]*?(["\'])((?:(?!\2).)*)\2/', $tag[2], $test);
-                       for ($i = 0; $i < sizeof($test[0]); $i++)
-                       {
-                               if (preg_match($disallowed_attributes, $test[1][$i]))
-                               {
-                                       continue;
-                               }
-                               $attributes .= ' ' . $test[1][$i] . '=' . $test[2][$i] . str_replace(array('[', ']'), array('&#91;', '&#93;'), htmlspecialchars($test[3][$i])) . $test[2][$i];
-                       }
-               }
-               if (in_array(strtolower($tag[1]), $allowed_html_tags))
-               {
-                       return '<' . $tag[1] . $attributes . '>';
-               }
-               else
-               {
-                       return htmlspecialchars('<' . $tag[1] . $attributes . '>');
-               }
-       }
-       // Finally, this is not an allowed tag so strip all the attibutes and escape it
-       else
-       {
-               return htmlspecialchars('<' .   $tag[1] . '>');
-       }
-}
-?>
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