static function getWorkspaceColor($ws_id) {
if (self::$color_cache == null) {
$res = DB::execute("SELECT object_id, color FROM ".TABLE_PREFIX. "workspaces");
$rows = $res->fetchAll();
if (is_array($rows)) {
self::$color_cache = array();
foreach ($rows as $row) self::$color_cache[$row['object_id']] = $row['color'];
}
}
return array_var(self::$color_cache, $ws_id);
}
