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<?php
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// $Id: reptag_helper.inc,v 1.1.2.7 2007/07/25 16:14:31 profix898 Exp $
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define('REPTAG_LOADTAG_DEFAULT', 0);
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define('REPTAG_LOADTAG_FORMAT', 1);
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define('REPTAG_LOADTAG_EDIT', 2);
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/**
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* Function _reptag_language().
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* (get language for the current page request)
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*/
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function _reptag_language($lang = NULL) {
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global $language;
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return isset($lang) ? $lang : (variable_get('reptag_locale_enable', 0) ? $language->language : language_default('language'));
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}
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/**
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* Function _reptag_table_load_tag().
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* (load tags from table)
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*/
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function _reptag_table_load_tag($rtid, $cleanlevel = REPTAG_LOADTAG_DEFAULT) {
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// Load and format tags
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$reptag = db_fetch_array(db_query('SELECT name, uid FROM {reptag_vars} WHERE rtid = %d', $rtid));
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$result = db_query('SELECT rtid, name, value, language FROM {reptag_vars} WHERE name = \'%s\' AND uid = %d', $reptag['name'], $reptag['uid']);
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while ($var = db_fetch_object($result)) {
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switch ($cleanlevel) {
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case REPTAG_LOADTAG_FORMAT:
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$reptag['tag'] = '$'. substr($var->name, 3, -5) .'$';
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break;
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case REPTAG_LOADTAG_EDIT:
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$reptag['tag'] = substr($var->name, 3, -5);
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break;
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case REPTAG_LOADTAG_DEFAULT:
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default:
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$reptag['tag'] = $var->name;
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}
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$reptag['replacements'][$var->language] = array(
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'rtid' => $var->rtid,
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'replacement' => $var->value
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);
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}
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return count($reptag) ? $reptag : NULL;
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}
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/**
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* Function _reptag_table_load().
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* (load tags from table)
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*/
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function _reptag_table_load($iid, $cleanlevel = REPTAG_LOADTAG_DEFAULT, $lang = NULL, $limit = NULL) {
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// Build query
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$query = 'SELECT rtid, name, value FROM {reptag_vars} WHERE uid = '. intval($iid[0]);
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for ($i = 1; $i < count($iid); $i++) {
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$query .= ' OR uid = '. intval($iid[$i]);
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}
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$query .= ' AND language = \''. _reptag_language($lang) .'\'';
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$query .= variable_get('reptag_tableprio', 0) ? ' ORDER BY uid ASC' : ' ORDER BY uid DESC';
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// Load and format tags
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$vars = array();
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$result = isset($limit) ? pager_query($query, $limit) : db_query($query);
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while ($var = db_fetch_object($result)) {
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switch ($cleanlevel) {
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case REPTAG_LOADTAG_FORMAT:
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$vars['$'. substr($var->name, 3, -5) .'$'] = $var->value;
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break;
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case REPTAG_LOADTAG_EDIT:
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$vars[$var->rtid] = array('tag' => substr($var->name, 3, -5), 'replacement' => $var->value);
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break;
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case REPTAG_LOADTAG_DEFAULT:
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default:
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$vars[$var->name] = $var->value;
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}
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}
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return $vars;
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}
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/**
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* Function _reptag_table_add().
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*/
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function _reptag_table_add($name, $value, $uid, $lang = NULL) {
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$item = array(
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'name' => $name,
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'value' => $value,
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'uid' => $uid,
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'language' => _reptag_language($lang)
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);
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drupal_write_record('reptag_vars', $item);
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}
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/**
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* Function _reptag_table_update().
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*/
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function _reptag_table_update($rtid, $name, $value, $uid, $lang = NULL) {
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$item = array(
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'rtid' => $rtid,
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'name' => $name,
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'value' => $value,
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'uid' => $uid,
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'language' => _reptag_language($lang)
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);
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drupal_write_record('reptag_vars', $item, 'rtid');
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}
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/**
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* Function _reptag_table_del_name().
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*/
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function _reptag_table_del_name($name, $uid, $lang = NULL, $all = FALSE) {
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$query = 'DELETE FROM {reptag_vars} WHERE name = \'%s\' AND uid = %d';
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if (!isset($lang) && !$all) {
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$lang = _reptag_language();
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}
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$query .= isset($lang) ? (' AND language = \''. $lang .'\'') : '';
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db_lock_table('reptag_vars');
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db_query($query, $name, $uid);
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db_unlock_tables();
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}
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/**
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* Function _reptag_table_del().
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*/
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function _reptag_table_del($rtid) {
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db_lock_table('reptag_vars');
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db_query('DELETE FROM {reptag_vars} WHERE rtid = %d', $rtid);
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db_unlock_tables();
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}
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/**
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* Function _reptag_table_clear().
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* (remove all tags for a specified user)
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*/
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function _reptag_table_clear($uid) {
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$query = 'DELETE FROM {reptag_vars} WHERE uid = %d';
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db_lock_table('reptag_vars');
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db_query($query, $uid);
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db_unlock_tables();
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}
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/**
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* Function _reptag_tags_implode().
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*/
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function _reptag_tags_implode($tags) {
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$tags = array_filter($tags);
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$tags = implode('|', $tags);
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return $tags;
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}
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/**
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* Function _reptag_exclude_loadtags().
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* (load exclude tags from variable)
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*/
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function _reptag_exclude_loadtags($rid) {
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$tags = unserialize(variable_get('reptag_exclude_r'. $rid, serialize(array())));
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return $tags;
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}
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/**
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* Function _reptag_exclude_loadtags_string().
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* (load exclude tags from variable into a string)
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*/
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function _reptag_exclude_loadtags_string($rid) {
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$tags = _reptag_exclude_loadtags($rid);
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$tags = _reptag_tags_implode($tags);
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return $tags;
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}
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/**
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* Function _reptag_exclude_storetags().
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* (store exclude tags to variable)
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*/
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function _reptag_exclude_storetags($rid, $tags) {
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variable_set('reptag_exclude_r'. $rid, serialize($tags));
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}
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/**
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* Function _reptag_exclude_storetags_string().
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* (explode string and store exclude tags to variable)
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*/
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function _reptag_exclude_storetags_string($rid, $tags) {
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$tags = explode('|', $tags);
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_reptag_exclude_storetags($rid, $tags);
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}
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/**
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* Function _reptag_user_get_roles().
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* (get roles for a specified user)
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*/
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function _reptag_user_get_roles($uid) {
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$roles = array();
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switch ($uid) {
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case 0: // anonymous user
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$roles[] = DRUPAL_ANONYMOUS_RID;
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break;
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case 1: // administrator
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$roles[] = DRUPAL_AUTHENTICATED_RID;
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$result = db_query('SELECT DISTINCT rid FROM {users_roles}');
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while ($rid = db_fetch_object($result)) {
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$roles[] = $rid->rid;
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}
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break;
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default: // authenticated user
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$roles[] = DRUPAL_AUTHENTICATED_RID;
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$result = db_query('SELECT rid FROM {users_roles} WHERE uid = %d', $uid);
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while ($rid = db_fetch_object($result)) {
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$roles[] = $rid->rid;
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}
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}
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return $roles;
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}
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/**
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* Function _reptag_cache_cid().
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* (calculate the cache identifier)
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*/
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function _reptag_cache_cid($node, $fields, $teaser) {
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return 'n'. $node->nid . ($teaser ? 't:' : ':') .
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(isset($node->vid) ? 'v'. $node->vid : 'c'. $node->cid) .':'. md5(serialize($fields)) .':'. _reptag_language();
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}
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/**
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* Function _reptag_cache_set().
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* (store node into reptag cache)
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*/
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function _reptag_cache_set($node, $fields, $teaser = FALSE) {
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$cache = array();
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foreach ($fields as $field) {
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$cache[$field] = _reptag_content_field($node, $field);
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}
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if (count($cache)) {
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$cid = _reptag_cache_cid($node, $fields, $teaser);
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cache_set($cid, $cache, 'cache_reptag', variable_get('reptag_cache_lifetime', CACHE_PERMANENT));
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}
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}
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/**
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* Function _reptag_cache_get().
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* (retrieve a node from reptag cache)
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*/
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function _reptag_cache_get($node, $fields, $teaser = FALSE) {
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$cid = _reptag_cache_cid($node, $fields, $teaser);
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if ($cache = cache_get($cid, 'cache_reptag')) {
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// Does cache contain valid data?
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if (empty($cache->data)) {
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return FALSE;
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}
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// Unserialize data and override fields
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$cache = $cache->data;
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foreach ($fields as $field) {
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if (isset($cache[$field])) {
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$field_content = &_reptag_content_field($node, $field);
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$field_content = $cache[$field];
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}
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}
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return TRUE;
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}
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return FALSE;
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}
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/**
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* Function _reptag_cache_del().
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* (remove a node from reptag cache)
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*/
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function _reptag_cache_del($node, $fields) {
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$node = (object)$node;
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$cid = _reptag_cache_cid($node, $fields, TRUE);
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cache_set($cid, '', 'cache_reptag', CACHE_TEMPORARY);
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$cid = _reptag_cache_cid($node, $fields, FALSE);
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cache_set($cid, '', 'cache_reptag', CACHE_TEMPORARY);
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}
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/**
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* Function _reptag_cache_clear().
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*/
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function _reptag_cache_clear($msg = NULL) {
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if (variable_get('reptag_cache', 0)) {
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cache_clear_all('*', 'cache_reptag', TRUE);
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drupal_set_message(isset($msg) ? $msg : t('The cache has been flushed.'));
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}
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}
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/**
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* Function _reptag_match_tags().
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* (filter $tags containing $string)
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*/
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function _reptag_match_tags($string, $tags) {
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$matches = array();
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foreach ($tags as $tag) {
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if (!(strpos($tag, $string) === false)) {
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$matches[$tag] = check_plain($tag);
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}
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}
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return $matches;
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}
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/**
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* Function _reptag_content_field().
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* (point $text to the $field path of $content)
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*/
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function &_reptag_content_field(&$content, $field) {
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$text = &$content;
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$elements = explode('/', $field);
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foreach ($elements as $element) {
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if (is_array($text)) {
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$text = &$text[$element];
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}
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elseif (is_object($text)) {
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$text = &$text->$element;
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}
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else {
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$text = NULL;
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}
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}
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return $text;
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}
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/**
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* Function _reptag_debug().
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*/
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function _reptag_debug($output, $label = NULL, $html = FALSE) {
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if (variable_get('reptag_debug', 0) && user_access('administer site configuration')) {
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// Output debug log into a collapsible fieldset
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$fieldset = array(
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'#title' => t('Rep[lacement]Tags Debug') . (isset($label) ? (': '. check_plain($label)) : ''),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#value' => '<pre>'. ($html ? $output : htmlspecialchars(print_r($output, TRUE))) .'</pre>',
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);
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drupal_set_content('content', theme('fieldset', $fieldset));
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}
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}
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/**
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* Function _reptag_array_intersect_key().
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* (PHP4+5 array_intersect_key()-like replacement)
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*/
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function _reptag_array_intersect_key($a, $b) {
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foreach (array_keys($a) as $key) {
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if (!isset($b[$key])) {
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unset($a[$key]);
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}
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}
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return $a;
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}
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/**
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* Function _reptag_array_merge_key().
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* (PHP4+5 array_merge_key()-like replacement)
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*/
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function _reptag_array_merge_key($a, $b) {
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foreach ($b as $key => $value) {
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if (is_array($value)) {
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$a[$key] = _reptag_array_merge_key($a[$key], $value);
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}
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else {
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$a[$key] = $value;
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}
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}
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return $a;
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}
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