function getAllTopics($checkRight = true, $permission = "nw_view")
{
$topics_arr = array();
$db =& Database::getInstance();
$table = $db->prefix('nw_topics');
$sql = "SELECT * FROM ".$table;
if ($checkRight) {
$topics = nw_MygetItemIds($permission);
if (count($topics) == 0) {
return array();
}
$topics = implode(',', $topics);
$sql .= " WHERE topic_id IN (".$topics.")";
}
$sql .= " ORDER BY topic_title";
$result = $db->query($sql);
while ($array = $db->fetchArray($result)) {
$topic = new nw_NewsTopic();
$topic->makeTopic($array);
$topics_arr[$array['topic_id']] = $topic;
unset($topic);
}
return $topics_arr;
}