function validate_search_word($word, $idx)
{
static $stopwords;
// If the word is a keyword we don't want to index it, but we do want to be allowed to search it
if (is_keyword($word)) {
return !$idx;
}
if (!isset($stopwords)) {
if (file_exists(FORUM_CACHE_DIR . 'cache_stopwords.php')) {
include FORUM_CACHE_DIR . 'cache_stopwords.php';
}
if (!defined('FORUM_STOPWORDS_LOADED')) {
if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) {
require FORUM_ROOT . 'include/cache.php';
}
generate_stopwords_cache();
require FORUM_CACHE_DIR . 'cache_stopwords.php';
}
}
// If it is a stopword it isn't valid
if (in_array($word, $stopwords)) {
return false;
}
// If the word is CJK we don't want to index it, but we do want to be allowed to search it
if (is_cjk($word)) {
return !$idx;
}
// Exclude % and * when checking whether current word is valid
$word = str_replace(array('%', '*'), '', $word);
// Check the word is within the min/max length
$num_chars = luna_strlen($word);
return $num_chars >= FORUM_SEARCH_MIN_WORD && $num_chars <= FORUM_SEARCH_MAX_WORD;
}
function validate_search_word($word, $idx)
{
global $cache;
static $stopwords;
// If the word is a keyword we don't want to index it, but we do want to be allowed to search it
if (is_keyword($word)) {
return !$idx;
}
if (!isset($stopwords)) {
$cache_id = generate_stopwords_cache_id();
$stopwords = $cache->get('stopwords.' . $cache_id);
if ($stopwords === Flux_Cache::NOT_FOUND) {
$stopwords = array();
$d = dir(PUN_ROOT . 'lang');
while (($entry = $d->read()) !== false) {
if ($entry[0] == '.') {
continue;
}
if (is_dir(PUN_ROOT . 'lang/' . $entry) && file_exists(PUN_ROOT . 'lang/' . $entry . '/stopwords.txt')) {
$stopwords = array_merge($stopwords, file(PUN_ROOT . 'lang/' . $entry . '/stopwords.txt'));
}
}
$d->close();
// Tidy up and filter the stopwords
$stopwords = array_map('pun_trim', $stopwords);
$stopwords = array_filter($stopwords);
$cache->set('stopwords.' . $cache_id, $stopwords);
}
}
// If it is a stopword it isn't valid
if (in_array($word, $stopwords)) {
return false;
}
// If the word if CJK we don't want to index it, but we do want to be allowed to search it
if (is_cjk($word)) {
return !$idx;
}
// Exclude % and * when checking whether current word is valid
$word = str_replace(array('%', '*'), '', $word);
// Check the word is within the min/max length
$num_chars = pun_strlen($word);
return $num_chars >= PUN_SEARCH_MIN_WORD && $num_chars <= PUN_SEARCH_MAX_WORD;
}
