public static function close($dbsortName = 'default') { global $db; if (!is_array($db[$dbsortName])) { return false; } self::$dbinfo = $db[$dbsortName]; self::$dbType = $db[$dbsortName]['dbtype']; switch ($db[$dbsortName]['dbtype']) { case "mysqli": if (mysqli_close(self::$dbConnect)) { return true; } return false; break; } }