. class BoltSequence extends BoltSet { function __construct($name, $units) { parent::__construct($name, $units, count($units)); } function order() { $this->ordered = true; } function restart(&$iter) { $state_rec = $iter->state[$this->name]; if (!$state_rec) $state_rec = $this->init(); $state_rec['nshown'] = 0; $state_rec['index'] = 0; $state_rec['child_name'] = null; $iter->state[$this->name] = $state_rec; } } function sequence() { $args = func_get_args(); $units = array(); $name = ""; foreach ($args as $arg) { if (is_array($arg)) { switch ($arg[0]) { case 'name': $name = $arg[1]; break; case 'title': $title = $arg[1]; break; default: echo "Unrecognized array arg: ", $arg[0], "\n"; break; } } else if (is_object($arg)) { if (is_subclass_of($arg, "BoltUnit")) { $units[] = $arg; } else { echo "Unrecognized arg: "; print_r($arg); } } } return new BoltSequence($name, $units); } ?>