author | Dan |
Sun, 06 Apr 2008 00:28:50 -0400 | |
changeset 7 | 98bbc533541c |
permissions | -rw-r--r-- |
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<?php |
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/*********************************************************************** |
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Copyright (C) 2002-2008 PunBB.org |
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This file is part of PunBB. |
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PunBB is free software; you can redistribute it and/or modify it |
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under the terms of the GNU General Public License as published |
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by the Free Software Foundation; either version 2 of the License, |
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or (at your option) any later version. |
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PunBB is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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MA 02111-1307 USA |
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************************************************************************/ |
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// The contents of this file are very much inspired by the file functions_search.php |
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// from the phpBB Group forum software phpBB2 (http://www.phpbb.com). |
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// Make sure no one attempts to run this script "directly" |
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if (!defined('PUN')) |
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exit; |
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// |
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// "Cleans up" a text string and returns an array of unique words |
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// This function depends on the current locale setting |
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// |
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function split_words($text) |
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{ |
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global $pun_user; |
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static $noise_match, $noise_replace, $stopwords; |
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if (empty($noise_match)) |
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{ |
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$noise_match = array('[quote', '[code', '[url', '[img', '[email', '[color', '[colour', 'quote]', 'code]', 'url]', 'img]', 'email]', 'color]', 'colour]', '^', '$', '&', '(', ')', '<', '>', '`', '\'', '"', '|', ',', '@', '_', '?', '%', '~', '+', '[', ']', '{', '}', ':', '\\', '/', '=', '#', ';', '!', '*'); |
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$noise_replace = array('', '', '', '', '', '', '', '', '', '', '', '', '', '', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '', '', ' ', ' ', ' ', ' ', '', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '' , ' ', ' ', ' ', ' ', ' ', ' '); |
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$stopwords = (array)@file(PUN_ROOT.'lang/'.$pun_user['language'].'/stopwords.txt'); |
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$stopwords = array_map('trim', $stopwords); |
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} |
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// Clean up |
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$patterns[] = '#&[\#a-z0-9]+?;#i'; |
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$patterns[] = '#\b[\w]+:\/\/[a-z0-9\.\-]+(\/[a-z0-9\?\.%_\-\+=&\/~]+)?#'; |
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$patterns[] = '#\[\/?[a-z\*=\+\-]+(\:?[0-9a-z]+)?:[a-z0-9]{10,}(\:[a-z0-9]+)?=?.*?\]#'; |
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$text = preg_replace($patterns, ' ', ' '.strtolower($text).' '); |
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// Filter out junk |
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$text = str_replace($noise_match, $noise_replace, $text); |
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// Strip out extra whitespace between words |
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$text = trim(preg_replace('#\s+#', ' ', $text)); |
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// Fill an array with all the words |
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$words = explode(' ', $text); |
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if (!empty($words)) |
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{ |
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while (list($i, $word) = @each($words)) |
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{ |
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$words[$i] = trim($word, '.'); |
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$num_chars = pun_strlen($word); |
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if ($num_chars < 3 || $num_chars > 20 || in_array($words[$i], $stopwords)) |
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unset($words[$i]); |
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} |
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} |
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return array_unique($words); |
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} |
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// |
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// Updates the search index with the contents of $post_id (and $subject) |
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// |
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function update_search_index($mode, $post_id, $message, $subject = null) |
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{ |
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global $db_type, $pun_db; |
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// Split old and new post/subject to obtain array of 'words' |
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$words_message = split_words($message); |
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$words_subject = ($subject) ? split_words($subject) : array(); |
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if ($mode == 'edit') |
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{ |
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$result = $pun_db->query('SELECT w.id, w.word, m.subject_match FROM '.$pun_db->prefix.'search_words AS w INNER JOIN '.$pun_db->prefix.'search_matches AS m ON w.id=m.word_id WHERE m.post_id='.$post_id, true) or error(__FILE__, __LINE__); |
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// Declare here to stop array_keys() and array_diff() from complaining if not set |
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$cur_words['post'] = array(); |
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$cur_words['subject'] = array(); |
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while ($row = $pun_db->fetch_row($result)) |
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{ |
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$match_in = ($row[2]) ? 'subject' : 'post'; |
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$cur_words[$match_in][$row[1]] = $row[0]; |
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} |
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$pun_db->free_result($result); |
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$words['add']['post'] = array_diff($words_message, array_keys($cur_words['post'])); |
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$words['add']['subject'] = array_diff($words_subject, array_keys($cur_words['subject'])); |
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$words['del']['post'] = array_diff(array_keys($cur_words['post']), $words_message); |
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$words['del']['subject'] = array_diff(array_keys($cur_words['subject']), $words_subject); |
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} |
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else |
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{ |
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$words['add']['post'] = $words_message; |
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119 |
$words['add']['subject'] = $words_subject; |
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120 |
$words['del']['post'] = array(); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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121 |
$words['del']['subject'] = array(); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
122 |
} |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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changeset
|
123 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
124 |
unset($words_message); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
125 |
unset($words_subject); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
126 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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127 |
// Get unique words from the above arrays |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
128 |
$unique_words = array_unique(array_merge($words['add']['post'], $words['add']['subject'])); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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129 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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130 |
if (!empty($unique_words)) |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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131 |
{ |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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132 |
$result = $pun_db->query('SELECT id, word FROM '.$pun_db->prefix.'search_words WHERE word IN('.implode(',', preg_replace('#^(.*)$#', '\'\1\'', $unique_words)).')', true) or error(__FILE__, __LINE__); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
133 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
134 |
$word_ids = array(); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
135 |
while ($row = $pun_db->fetch_row($result)) |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
136 |
$word_ids[$row[1]] = $row[0]; |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
137 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
138 |
$pun_db->free_result($result); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
139 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
140 |
$new_words = array_diff($unique_words, array_keys($word_ids)); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
141 |
unset($unique_words); |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
142 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
143 |
if (!empty($new_words)) |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
144 |
{ |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
145 |
switch ($db_type) |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
146 |
{ |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
147 |
case 'mysql': |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
148 |
case 'mysqli': |
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|
149 |
$pun_db->query('INSERT INTO '.$pun_db->prefix.'search_words (word) VALUES'.implode(',', preg_replace('#^(.*)$#', '(\'\1\')', $new_words))) or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
150 |
break; |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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changeset
|
151 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
152 |
default: |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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|
153 |
while (list(, $word) = @each($new_words)) |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
154 |
$pun_db->query('INSERT INTO '.$pun_db->prefix.'search_words (word) VALUES(\''.$word.'\')') or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
155 |
break; |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
156 |
} |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
157 |
} |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
158 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
159 |
unset($new_words); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
160 |
} |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
161 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
162 |
// Delete matches (only if editing a post) |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
163 |
while (list($match_in, $wordlist) = @each($words['del'])) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
164 |
{ |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
165 |
$subject_match = ($match_in == 'subject') ? 1 : 0; |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
166 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
167 |
if (!empty($wordlist)) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
168 |
{ |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
169 |
$sql = ''; |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
170 |
while (list(, $word) = @each($wordlist)) |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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|
171 |
$sql .= (($sql != '') ? ',' : '').$cur_words[$match_in][$word]; |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
172 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
173 |
$pun_db->query('DELETE FROM '.$pun_db->prefix.'search_matches WHERE word_id IN('.$sql.') AND post_id='.$post_id.' AND subject_match='.$subject_match) or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
174 |
} |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
175 |
} |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
176 |
|
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
177 |
// Add new matches |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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changeset
|
178 |
while (list($match_in, $wordlist) = @each($words['add'])) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
179 |
{ |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
180 |
$subject_match = ($match_in == 'subject') ? 1 : 0; |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
181 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
182 |
if (!empty($wordlist)) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
183 |
$pun_db->query('INSERT INTO '.$pun_db->prefix.'search_matches (post_id, word_id, subject_match) SELECT '.$post_id.', id, '.$subject_match.' FROM '.$pun_db->prefix.'search_words WHERE word IN('.implode(',', preg_replace('#^(.*)$#', '\'\1\'', $wordlist)).')') or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
184 |
} |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
185 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
186 |
unset($words); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
187 |
} |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
188 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
189 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
190 |
// |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
191 |
// Strip search index of indexed words in $post_ids |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
192 |
// |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
193 |
function strip_search_index($post_ids) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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|
194 |
{ |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
195 |
global $db_type, $pun_db; |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
196 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
197 |
switch ($db_type) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
198 |
{ |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
199 |
case 'mysql': |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
200 |
case 'mysqli': |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
201 |
{ |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
202 |
$result = $pun_db->query('SELECT word_id FROM '.$pun_db->prefix.'search_matches WHERE post_id IN('.$post_ids.') GROUP BY word_id') or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
203 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
204 |
if ($pun_db->num_rows($result)) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
205 |
{ |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
206 |
$word_ids = ''; |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
207 |
while ($row = $pun_db->fetch_row($result)) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
208 |
$word_ids .= ($word_ids != '') ? ','.$row[0] : $row[0]; |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
209 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
210 |
$result = $pun_db->query('SELECT word_id FROM '.$pun_db->prefix.'search_matches WHERE word_id IN('.$word_ids.') GROUP BY word_id HAVING COUNT(word_id)=1') or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
211 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
212 |
if ($pun_db->num_rows($result)) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
213 |
{ |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
214 |
$word_ids = ''; |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
215 |
while ($row = $pun_db->fetch_row($result)) |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
216 |
$word_ids .= ($word_ids != '') ? ','.$row[0] : $row[0]; |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
217 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
218 |
$pun_db->query('DELETE FROM '.$pun_db->prefix.'search_words WHERE id IN('.$word_ids.')') or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
219 |
} |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
220 |
} |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
221 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
222 |
break; |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
223 |
} |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
224 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
225 |
default: |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
226 |
$pun_db->query('DELETE FROM '.$pun_db->prefix.'search_words WHERE id IN(SELECT word_id FROM '.$pun_db->prefix.'search_matches WHERE word_id IN(SELECT word_id FROM '.$pun_db->prefix.'search_matches WHERE post_id IN('.$post_ids.') GROUP BY word_id) GROUP BY word_id HAVING COUNT(word_id)=1)') or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
227 |
break; |
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Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
diff
changeset
|
228 |
} |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
Dan
parents:
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changeset
|
229 |
|
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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changeset
|
230 |
$pun_db->query('DELETE FROM '.$pun_db->prefix.'search_matches WHERE post_id IN('.$post_ids.')') or error(__FILE__, __LINE__); |
98bbc533541c
Finishing re-add, addremove didn't work last time. Integrated with Enano's template engine properly.
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parents:
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changeset
|
231 |
} |